YEAR
LAYER OPACITY
Show political borders
LEGEND
Housing units / square km
0
0-3
3-6
6-12
12-50
50-100
>100
Water
DOWNLOADS
Version 4 – last updated August 2023
GIS DATA & MAPS
Metadata (HTML)
Conterminous
United States
1990
2000
2010
2020
1990
2000
2010
2020
Alabama
1990
2000
2010
2020
1990
2000
2010
2020
Arizona
1990
2000
2010
2020
1990
2000
2010
2020
Arkansas
1990
2000
2010
2020
1990
2000
2010
2020
California
1990
2000
2010
2020
1990
2000
2010
2020
Colorado
1990
2000
2010
2020
1990
2000
2010
2020
Connecticut
1990
2000
2010
2020
1990
2000
2010
2020
Delaware
1990
2000
2010
2020
1990
2000
2010
2020
District of
Columbia
1990
2000
2010
2020
1990
2000
2010
2020
Florida
1990
2000
2010
2020
1990
2000
2010
2020
Georgia
1990
2000
2010
2020
1990
2000
2010
2020
Idaho
1990
2000
2010
2020
1990
2000
2010
2020
Illinois
1990
2000
2010
2020
1990
2000
2010
2020
Indiana
1990
2000
2010
2020
1990
2000
2010
2020
Iowa
1990
2000
2010
2020
1990
2000
2010
2020
Kansas
1990
2000
2010
2020
1990
2000
2010
2020
Kentucky
1990
2000
2010
2020
1990
2000
2010
2020
Louisiana
1990
2000
2010
2020
1990
2000
2010
2020
Maine
1990
2000
2010
2020
1990
2000
2010
2020
Maryland
1990
2000
2010
2020
1990
2000
2010
2020
Massachusetts
1990
2000
2010
2020
1990
2000
2010
2020
Michigan
1990
2000
2010
2020
1990
2000
2010
2020
Minnesota
1990
2000
2010
2020
1990
2000
2010
2020
Mississippi
1990
2000
2010
2020
1990
2000
2010
2020
Missouri
1990
2000
2010
2020
1990
2000
2010
2020
Montana
1990
2000
2010
2020
1990
2000
2010
2020
Nebraska
1990
2000
2010
2020
1990
2000
2010
2020
Nevada
1990
2000
2010
2020
1990
2000
2010
2020
New
Hampshire
1990
2000
2010
2020
1990
2000
2010
2020
New
Jersey
1990
2000
2010
2020
1990
2000
2010
2020
New
Mexico
1990
2000
2010
2020
1990
2000
2010
2020
New
York
1990
2000
2010
2020
1990
2000
2010
2020
North
Carolina
1990
2000
2010
2020
1990
2000
2010
2020
North
Dakota
1990
2000
2010
2020
1990
2000
2010
2020
Ohio
1990
2000
2010
2020
1990
2000
2010
2020
Oklahoma
1990
2000
2010
2020
1990
2000
2010
2020
Oregon
1990
2000
2010
2020
1990
2000
2010
2020
Pennsylvania
1990
2000
2010
2020
1990
2000
2010
2020
Rhode
Island
1990
2000
2010
2020
1990
2000
2010
2020
South
Carolina
1990
2000
2010
2020
1990
2000
2010
2020
South
Dakota
1990
2000
2010
2020
1990
2000
2010
2020
Tennessee
1990
2000
2010
2020
1990
2000
2010
2020
Texas
1990
2000
2010
2020
1990
2000
2010
2020
Utah
1990
2000
2010
2020
1990
2000
2010
2020
Vermont
1990
2000
2010
2020
1990
2000
2010
2020
Virginia
1990
2000
2010
2020
1990
2000
2010
2020
Washington
1990
2000
2010
2020
1990
2000
2010
2020
West
Virginia
1990
2000
2010
2020
1990
2000
2010
2020
Wisconsin
1990
2000
2010
2020
1990
2000
2010
2020
Wyoming
1990
2000
2010
2020
1990
2000
2010
2020
