Figure C1.2 is a U.S. map showing First Use of Marijuana among persons aged 12 or older, by Substate Region: average annual rates based on 1999, 2000, and 2001 NSDUHs. Substate Regions listed here in alphabetical order within each state were divided into seven groups based on magnitude of their percentages.

The lowest group, Group 1's percentages ranged from 0.93% to 1.1%.
The next to lowest group, Group 2's percentages ranged from 1.11% to 1.28%.
The next lowest group, Group 3's percentages ranged from 1.29% to 1.46%.
The middle group, Group 4's percentages ranged from 1.47% to 1.79%.
The next highest group, Group 5's percentages ranged from 1.8% to 2.09%.
The next to highest group, Group 6's percentages ranged from 2.1% to 2.38%.
The highest group, Group 7's percentages ranged from 2.39% to 3.02%.

This figure has the following footnote: for substate region definitions, please see Section D.

Alabama's substate region, Region 1, is in Group 2.
Alabama's substate region, Region 2, is in Group 2.
Alabama's substate region, Region 3, is in Group 4.
Alabama's substate region, Region 4, is in Group 3.
Alaska's substate region, Gulf Coast, is in Group 4.
Alaska's substate region, Rural, is in Group 7.
Alaska's substate region, Southeast, is in Group 5.
Alaska's substate region, Urban, is in Group 6.
Arizona's substate region, Maricopa, is in Group 4.
Arizona's substate region, Pima, is in Group 6.
Arizona's substate region, Rural North, is in Group 5.
Arizona's substate region, Rural South, is in Group 4.
Arkansas's substate region, Areas 1 and 5, is in Group 3.
Arkansas's substate region, Areas 2 and 3, is in Group 1.
Arkansas's substate region, Areas 4 and 7, is in Group 4.
Arkansas's substate region, Area 6, is in Group 6.
Arkansas's substate region, Areas 8 and 12, is in Group 1.
Arkansas's substate region, Area 9, is in Group 4.
Arkansas's substate region, Areas 10, 11, and 13, is in Group 2.
California's substate region, Region 1, is in Group 6.
California's substate region, Region 2, is in Group 6.
California's substate region, Region 3, is in Group 4.
California's substate region, Region 4, is in Group 4.
California's substate region, Region 5, is in Group 4.
California's substate region, Region 6 (Santa Clara), is in Group 3.
California's substate region, Region 7, is in Group 5.
California's substate region, Region 8, is in Group 4.
California's substate region, Region 9, is in Group 4.
California's substate region, Region 10, is in Group 5.
California's substate region, Region 11 (Los Angeles), is in Group 3.
California's substate region, Region 12, is in Group 5.
California's substate region, Region 13 (Riverside), is in Group 4.
California's substate region, Region 14 (Orange), is in Group 3.
California's substate region, Region 15, is in Group 4.
Colorado's substate region, Regions 1 and 4, is in Group 5.
Colorado's substate region, Region 2, is in Group 5.
Colorado's substate region, Region 3, is in Group 4.
Colorado's substate region, Regions 5 and 6, is in Group 5.
Colorado's substate region, Region 7 (Boulder), is in Group 7.
Connecticut's substate region, Eastern, is in Group 6.
Connecticut's substate region, North Central, is in Group 5.
Connecticut's substate region, Northwestern, is in Group 2.
Connecticut's substate region, South Central, is in Group 4.
Connecticut's substate region, Southwest, is in Group 4.
Delaware's substate region, Kent, is in Group 6.
Delaware's substate region, New Castle, is in Group 6.
Delaware's substate region, Sussex, is in Group 3.
District of Columbia's substate region, Ward 1, is in Group 4.
District of Columbia's substate region, Ward 2, is in Group 7.
District of Columbia's substate region, Ward 3, is in Group 4.
District of Columbia's substate region, Ward 4, is in Group 2.
District of Columbia's substate region, Ward 5, is in Group 3.
District of Columbia's substate region, Ward 6, is in Group 3.
District of Columbia's substate region, Ward 7, is in Group 2.
District of Columbia's substate region, Ward 8, is in Group 7.
Florida's substate region, District 1, is in Group 4.
Florida's substate region, District 2, is in Group 3.
Florida's substate region, District 3, is in Group 4.
Florida's substate region, District 4, is in Group 4.
Florida's substate region, District 7, is in Group 3.
Florida's substate region, District 8, is in Group 1.
Florida's substate region, District 9 (Palm Beach), is in Group 2.
Florida's substate region, District 10 (Broward), is in Group 3.
Florida's substate region, District 11, is in Group 1.
Florida's substate region, District 12, is in Group 2.
Florida's substate region, District 13, is in Group 1.
Florida's substate region, District 14, is in Group 2.
Florida's substate region, District 15, is in Group 4.
Florida's substate region, Suncoast, is in Group 2.
Georgia's substate region, Central, is in Group 1.
Georgia's substate region, East Central, is in Group 3.
Georgia's substate region, Metro, is in Group 4.
Georgia's substate region, North, is in Group 4.
Georgia's substate region, Southeast, is in Group 3.
Georgia's substate region, Southwest, is in Group 4.
Georgia's substate region, West Central, is in Group 3.
Hawaii's substate region, Hawaii Island, is in Group 7.
Hawaii's substate region, Honolulu, is in Group 4.
Hawaii's substate region, Kalawao, Kauai, and Maui, is in Group 5.
Idaho's substate region, Region 1, is in Group 5.
Idaho's substate region, Region 2, is in Group 5.
Idaho's substate region, Region 3, is in Group 4.
Idaho's substate region, Region 4, is in Group 4.
Idaho's substate region, Region 5, is in Group 3.
Idaho's substate region, Region 6, is in Group 3.
Idaho's substate region, Region 7, is in Group 3.
Illinois's substate region, Region I (Cook), is in Group 4.
Illinois's substate region, Region II, is in Group 5.
Illinois's substate region, Region III, is in Group 4.
Illinois's substate region, Region IV, is in Group 4.
Illinois's substate region, Region V, is in Group 4.
Indiana's substate region, Central, is in Group 3.
Indiana's substate region, East, is in Group 3.
Indiana's substate region, North Central, is in Group 3.
Indiana's substate region, Northeast, is in Group 5.
Indiana's substate region, Northwest, is in Group 3.
Indiana's substate region, Southeast and Southwest, is in Group 4.
Indiana's substate region, West, is in Group 5.
Iowa's substate region, Central, is in Group 2.
Iowa's substate region, North Central, is in Group 3.
Iowa's substate region, Northeast, is in Group 3.
Iowa's substate region, Northwest, is in Group 2.
Iowa's substate region, Southeast and Southwest, is in Group 4.
Kansas's substate region, Region 1, is in Group 4.
Kansas's substate region, Region 2, is in Group 4.
Kansas's substate region, Region 3, is in Group 3.
Kansas's substate region, Region 4, is in Group 5.
Kansas's substate region, Region 5, is in Group 5.
Kentucky's substate region, Adanta, Cumberland River, and Lifeskills, is in Group 2.
Kentucky's substate region, Bluegrass, Comprehend, and North Key, is in Group 5.
Kentucky's substate region, Communicare and River Valley, is in Group 7.
Kentucky's substate region, Four Rivers and Pennyroyal, is in Group 4.
Kentucky's substate region, Kentucky River, Mountain, and Pathways, is in Group 3.
Kentucky's substate region, Seven Counties, is in Group 5.
Louisiana's substate region, Region 1, is in Group 4.
Louisiana's substate region, Regions 2 and 9, is in Group 4.
Louisiana's substate region, Region 3, is in Group 4.
Louisiana's substate region, Region 4, is in Group 4.
Louisiana's substate region, Regions 5 and 6, is in Group 2.
Louisiana's substate region, Regions 7 and 8, is in Group 3.
Louisiana's substate region, Region 10 (Jefferson), is in Group 4.
Maine's substate region, Region 1, is in Group 5.
Maine's substate region, Region 2, is in Group 4.
Maine's substate region, Region 3, is in Group 4.
Maryland's substate region, Central and Eastern Shore, is in Group 4.
Maryland's substate region, Southern, is in Group 4.
Maryland's substate region, Western, is in Group 3.
Massachusetts's substate region, Boston, is in Group 6.
Massachusetts's substate region, Central, is in Group 7.
Massachusetts's substate region, Metrowest, is in Group 5.
Massachusetts's substate region, Northeast, is in Group 5.
Massachusetts's substate region, Southeast, is in Group 6.
Massachusetts's substate region, Western, is in Group 6.
Michigan's substate region, Bay and Saginaw, is in Group 5.
Michigan's substate region, Detroit City, is in Group 5.
Michigan's substate region, Genesee, is in Group 5.
Michigan's substate region, Kalamazoo, is in Group 5.
Michigan's substate region, Kent, is in Group 7.
Michigan's substate region, Lakeshore, is in Group 4.
Michigan's substate region, Macomb, is in Group 4.
Michigan's substate region, Mid South, is in Group 6.
Michigan's substate region, Northern, is in Group 4.
Michigan's substate region, Oakland, is in Group 5.
Michigan's substate region, Pathways and Western, is in Group 6.
Michigan's substate region, Southeast, is in Group 4.
Michigan's substate region, St. Clair, is in Group 4.
Michigan's substate region, Washtenaw, is in Group 6.
Minnesota's substate region, Regions 1 and 2, is in Group 5.
Minnesota's substate region, Regions 3 and 4, is in Group 5.
Minnesota's substate region, Regions 5 and 6, is in Group 5.
Minnesota's substate region, Region 7A (Hennepin), is in Group 5.
Minnesota's substate region, Region 7B (Ramsey), is in Group 6.
Minnesota's substate region, Region 7C, is in Group 6.
Mississippi's substate region, Regions 1 and 2, is in Group 5.
Mississippi's substate region, Regions 3, 4, 7, and 10, is in Group 3.
Mississippi's substate region, Regions 5, 6, 11, and 15, is in Group 4.
Mississippi's substate region, Regions 8 and 9, is in Group 4.
Mississippi's substate region, Region 12, is in Group 4.
Mississippi's substate region, Regions 13 and 14, is in Group 4.
Missouri's substate region, Central, is in Group 4.
Missouri's substate region, Eastern, is in Group 5.
Missouri's substate region, Northwest, is in Group 4.
Missouri's substate region, Southeast, is in Group 2.
Missouri's substate region, Southwest, is in Group 4.
Montana's substate region, Regions 1 and 3, is in Group 4.
Montana's substate region, Region 2, is in Group 5.
Montana's substate region, Region 4, is in Group 6.
Montana's substate region, Region 5, is in Group 5.
Nebraska's substate region, Regions 1 and 2, is in Group 2.
Nebraska's substate region, Region 3, is in Group 3.
Nebraska's substate region, Region 4, is in Group 3.
Nebraska's substate region, Region 5, is in Group 4.
Nebraska's substate region, Region 6, is in Group 5.
Nevada's substate region, Clark, is in Group 4.
Nevada's substate region, Rural, is in Group 5.
Nevada's substate region, Washoe, is in Group 6.
New Hampshire's substate region, Central, is in Group 5.
New Hampshire's substate region, Northern, is in Group 5.
New Hampshire's substate region, Southern, is in Group 5.
New Jersey's substate region, RHPA I, is in Group 3.
New Jersey's substate region, RHPA IIa (Bergen), is in Group 2.
New Jersey's substate region, RHPA IIb (Hudson), is in Group 3.
New Jersey's substate region, RHPA III, is in Group 2.
New Jersey's substate region, RHPA IVa, is in Group 3.
New Jersey's substate region, RHPA IVb (Middlesex), is in Group 4.
New Jersey's substate region, RHPA V, is in Group 4.
New Jersey's substate region, RHPA VIa, is in Group 3.
New Jersey's substate region, RHPA VIb (Monmouth), is in Group 5.
New Mexico's substate region, Region 1, is in Group 7.
New Mexico's substate region, Region 2, is in Group 6.
New Mexico's substate region, Region 3, is in Group 5.
New Mexico's substate region, Region 4, is in Group 6.
New Mexico's substate region, Region 5 (Bernalillo), is in Group 5.
New York's substate region, New York City, is in Group 1.
New York's substate region, Remainder of the State, is in Group 5.
North Carolina's substate region, Eastern, is in Group 4.
North Carolina's substate region, North Central, is in Group 4.
North Carolina's substate region, South Central, is in Group 4.
North Carolina's substate region, Western, is in Group 3.
North Dakota's substate region, Badlands and West Central, is in Group 5.
North Dakota's substate region, Lake Region and South Central, is in Group 4.
North Dakota's substate region, North Central and Northwest, is in Group 4.
North Dakota's substate region, Northeast, is in Group 7.
North Dakota's substate region, Southeast, is in Group 6.
Ohio's substate region, Boards 2, 46, 55, and 68, is in Group 4.
Ohio's substate region, Boards 3, 52, and 85, is in Group 3.
Ohio's substate region, Boards 4 and 78, is in Group 3.
Ohio's substate region, Boards 5 and 60, is in Group 5.
Ohio's substate region, Boards 7, 15, 41, 79, and 84, is in Group 2.
Ohio's substate region, Boards 8, 13, and 83, is in Group 4.
Ohio's substate region, Board 9 (Butler), is in Group 5.
Ohio's substate region, Board 12, is in Group 5.
Ohio's substate region, Boards 18 and 47, is in Group 3.
Ohio's substate region, Boards 20, 32, 54, and 69, is in Group 3.
Ohio's substate region, Boards 21, 39, 51, 70, and 80, is in Group 3.
Ohio's substate region, Boards 22, 74, and 87, is in Group 3.
Ohio's substate region, Boards 23 and 45, is in Group 4.
Ohio's substate region, Board 25 (Franklin), is in Group 6.
Ohio's substate region, Boards 27, 71, and 73, is in Group 3.
Ohio's substate region, Boards 28, 43, and 67, is in Group 4.
Ohio's substate region, Board 31 (Hamilton), is in Group 3.
Ohio's substate region, Board 48 (Lucas), is in Group 4.
Ohio's substate region, Board 50 (Mahoning), is in Group 2.
Ohio's substate region, Board 57 (Montgomery), is in Group 3.
Ohio's substate region, Board 76 (Stark), is in Group 4.
Ohio's substate region, Board 77 (Summit), is in Group 5.
Oklahoma's substate region, Central, is in Group 5.
Oklahoma's substate region, East Central, is in Group 4.
Oklahoma's substate region, Northeast, is in Group 3.
Oklahoma's substate region, Northwest and Southwest, is in Group 3.
Oklahoma's substate region, Oklahoma City Metro, is in Group 4.
Oklahoma's substate region, Southeast, is in Group 3.
Oklahoma's substate region, Tulsa Metro, is in Group 5.
Oregon's substate region, Region 1 (Multnomah), is in Group 5.
Oregon's substate region, Region 2, is in Group 5.
Oregon's substate region, Region 3, is in Group 5.
Oregon's substate region, Region 4, is in Group 2.
Oregon's substate region, Region 5, is in Group 4.
Pennsylvania's substate region, Region 1, 27, and 47, is in Group 3.
Pennsylvania's substate region, Regions 2, 3, 8, and 9, is in Group 3.
Pennsylvania's substate region, Regions 4 and 42, is in Group 1.
Pennsylvania's substate region, Regions 5 and 28, is in Group 1.
Pennsylvania's substate region, Regions 6, 16, and 39, is in Group 2.
Pennsylvania's substate region, Region 7 (Bucks), is in Group 3.
Pennsylvania's substate region, Regions 10, 15, and 25, is in Group 2.
Pennsylvania's substate region, Regions 11, 29, 44, and 48, is in Group 3.
Pennsylvania's substate region, Regions 12, 35, 41, and 45, is in Group 5.
Pennsylvania's substate region, Region 13 (Chester), is in Group 4.
Pennsylvania's substate region, Regions 14, 31, 36, and 46, is in Group 2.
Pennsylvania's substate region, Regions 17, 24, and 43, is in Group 2.
Pennsylvania's substate region, Region 18 (Philadelphia), is in Group 4.
Pennsylvania's substate region, Regions 19 and 23, is in Group 4.
Pennsylvania's substate region, Regions 20, 26, and 40, is in Group 1.
Pennsylvania's substate region, Regions 21 and 32, is in Group 1.
Pennsylvania's substate region, Region 22 (Delaware), is in Group 5.
Pennsylvania's substate region, Region 30 (Lancaster), is in Group 4.
Pennsylvania's substate region, Region 33 (Lehigh), is in Group 3.
Pennsylvania's substate region, Region 34, is in Group 1.
Pennsylvania's substate region, Region 37 (Montgomery), is in Group 4.
Pennsylvania's substate region, Region 38 (Northampton), is in Group 2.
Pennsylvania's substate region, Region 49, is in Group 3.
Rhode Island's substate region, Bristol and Newport, is in Group 5.
Rhode Island's substate region, Kent, is in Group 4.
Rhode Island's substate region, Providence, is in Group 4.
Rhode Island's substate region, Washington, is in Group 7.
South Carolina's substate region, Region 1, is in Group 4.
South Carolina's substate region, Region 2, is in Group 4.
South Carolina's substate region, Region 3, is in Group 4.
South Carolina's substate region, Region 4, is in Group 4.
South Dakota's substate region, Region 1 (Pennington), is in Group 5.
South Dakota's substate region, Region 2, is in Group 4.
South Dakota's substate region, Region 3 (Minnehaha), is in Group 4.
South Dakota's substate region, Region 4, is in Group 4.
South Dakota's substate region, Region 5, is in Group 1.
South Dakota's substate region, Region 6, is in Group 1.
South Dakota's substate region, Region 7, is in Group 4.
Tennessee's substate region, Region 1, is in Group 3.
Tennessee's substate region, Region 2, is in Group 3.
Tennessee's substate region, Region 3, is in Group 3.
Tennessee's substate region, Region 4 (Davidson), is in Group 4.
Tennessee's substate region, Region 5, is in Group 4.
Tennessee's substate region, Region 6, is in Group 3.
Tennessee's substate region, Region 7 (Shelby), is in Group 4.
Texas's substate region, Region 1, is in Group 5.
Texas's substate region, Regions 2 and 9, is in Group 4.
Texas's substate region, Region 3, is in Group 3.
Texas's substate region, Region 4, is in Group 2.
Texas's substate region, Region 5, is in Group 4.
Texas's substate region, Region 6, is in Group 4.
Texas's substate region, Region 7, is in Group 5.
Texas's substate region, Region 8, is in Group 4.
Texas's substate region, Region 10, is in Group 5.
Texas's substate region, Region 11, is in Group 3.
Utah's substate region, Bear River, Northeastern, Summit, Toole, and Wasatch, is in Group 4.
Utah's substate region, Central, Four Corners, San Juan, and Southwest, is in Group 4.
Utah's substate region, Davis County, is in Group 3.
Utah's substate region, Salt Lake County, is in Group 4.
Utah's substate region, Utah County, is in Group 3.
Utah's substate region, Weber, Morgan, is in Group 4.
Vermont's substate region, Champlain Valley, is in Group 7.
Vermont's substate region, Rural Northeast, is in Group 5.
Vermont's substate region, Rural Southeast, is in Group 6.
Vermont's substate region, Rural Southwest, is in Group 7.
Virginia's substate region, Region 1, is in Group 4.
Virginia's substate region, Region 2, is in Group 3.
Virginia's substate region, Region 3, is in Group 3.
Virginia's substate region, Region 4, is in Group 3.
Virginia's substate region, Region 5, is in Group 4.
Washington's substate region, Region 1, is in Group 6.
Washington's substate region, Region 2, is in Group 6.
Washington's substate region, Region 3, is in Group 5.
Washington's substate region, Region 4 (King), is in Group 2.
Washington's substate region, Region 5, is in Group 5.
Washington's substate region, Region 6, is in Group 5.
West Virginia's substate region, Eastern Highland, is in Group 3.
West Virginia's substate region, Northern, is in Group 4.
West Virginia's substate region, South Central I, is in Group 1.
West Virginia's substate region, South Central II, is in Group 2.
West Virginia's substate region, South Central III, is in Group 4.
West Virginia's substate region, Southern, is in Group 3.
Wisconsin's substate region, Milwaukee, is in Group 5.
Wisconsin's substate region, Northeastern, is in Group 5.
Wisconsin's substate region, Northern and Western, is in Group 4.
Wisconsin's substate region, Southeastern, is in Group 5.
Wisconsin's substate region, Southern, is in Group 5.
Wyoming's substate region, Frontier 1, is in Group 4.
Wyoming's substate region, Frontier 2, is in Group 1.
Wyoming's substate region, Rural 1, is in Group 7.
Wyoming's substate region, Rural 2, is in Group 7.
Wyoming's substate region, Rural 3 (Laramie), is in Group 4.
Wyoming's substate region, Rural 4, is in Group 6.

Return to Figure C1.2