Download GIS Files by State

Click the "GIS" file link next to the state name to download a zipped folder containing the full dataset for the selected state. See below for a full contents list.

Click "KMZ" file link next to the state name to download a zipped folder of Atlas data formatted to be used with Google Earth and Google Maps.

Click "PDF" file link next to the state name to download a zipped folder containing Atlas data for each county in a state formatted in a printer and reader friendly format.

State Name File Type File Size
A
Alabama
  • 8.2 MB
  • 4.8 MB
  • 35.1 MB
Alaska
  • 42.9 MB
  • 27.6 MB
  • 16.8 MB
Arizona
  • 2.2 MB
  • 1.4 MB
  • 3.2 MB
Arkansas
  • 10.0 MB
  • 6.1 MB
  • 37.0 MB
C
California
  • 10.4 MB
  • 6.5 MB
  • 17.9 MB
Colorado
  • 9.4 MB
  • 6.7 MB
  • 27.5 MB
Connecticut
  • 2.1 MB
  • 1.3 MB
  • 7.0 MB
D
Dakota Territory
  • 10.0 MB
  • 6.1 MB
  • 22.4 MB
Delaware
  • 0.8 MB
  • 0.5 MB
  • 2.1 MB
District of Columbia
  • 0.1 MB
  • 0.02 MB
  • 0.2 MB
F
Florida
  • 26.8 MB
  • 16.6 MB
  • 28.7 MB
G
Georgia
  • 20.8 MB
  • 11.5 MB
  • 98.1 MB
H
Hawaii
  • 0.7 MB
  • 0.4 MB
  • 0.3 MB
I
Idaho
  • 12.2 MB
  • 7.5 MB
  • 12.2 MB
Illinois
  • 13.5 MB
  • 8.3 MB
  • 18.4 MB
Indiana
  • 10.7 MB
  • 6.6 MB
  • 21.5 MB
Iowa
  • 3.1 MB
  • 1.9 MB
  • 9.6 MB
K
Kansas
  • 2.1 MB
  • 1.2 MB
  • 13.6 MB
Kentucky
  • 15.1 MB
  • 9.4 MB
  • 43.7 MB
L
Louisiana
  • 10.7 MB
  • 6.6 MB
  • 27.2 MB
M
Maine
  • 51.0 MB
  • 30.2 MB
  • 17.0 MB
Maryland
  • 7.2 MB
  • 4.3 MB
  • 10.9 MB
Massachusetts
  • 28.8 MB
  • 17.1 MB
  • 14.8 MB
Michigan
  • 31.4 MB
  • 19.3 MB
  • 18.9 MB
Minnesota
  • 24.2 MB
  • 15.0 MB
  • 20.1 MB
Mississippi
  • 7.6 MB
  • 4.7 MB
  • 24.8 MB
Missouri
  • 13.1 MB
  • 7.9 MB
  • 34.9 MB
Montana
  • 13.9 MB
  • 8.7 MB
  • 16.6 MB
N
Nebraska
  • 4.3 MB
  • 2.6 MB
  • 12.3 MB
Nevada
  • 1.6 MB
  • 0.9 MB
  • 4.7 MB
New Hampshire
  • 1.4 MB
  • 0.9 MB
  • 2.7 MB
New Jersey
  • 4.1 MB
  • 2.4 MB
  • 8.4 MB
New Mexico
  • 1.9 MB
  • 1.1 MB
  • 6.9 MB
New York
  • 10.0 MB
  • 6.0 MB
  • 19.4 MB
North Carolina
  • 16.7 MB
  • 10.5 MB
  • 42.1 MB
North Dakota
  • 1.0 MB
  • 0.5 MB
  • 4.0 MB
O
Ohio
  • 9.1 MB
  • 5.3 MB
  • 19.0 MB
Oklahoma
  • 5.3 MB
  • 3.3 MB
  • 7.8 MB
Oregon
  • 16.9 MB
  • 10.3 MB
  • 14.3 MB
P
Pennsylvania
  • 4.2 MB
  • 2.7 MB
  • 17.9 MB
R
Rhode Island
  • 2.8 MB
  • 1.6 MB
  • 2.3 MB
S
South Carolina
  • 9.2 MB
  • 5.8 MB
  • 24.0 MB
South Dakota
  • 1.0 MB
  • 0.6 MB
  • 5.7 MB
T
Tennessee
  • 11.3 MB
  • 6.2 MB
  • 64.2 MB
Texas
  • 44.3 MB
  • 27.7 MB
  • 69.2 MB
U
Utah
  • 5.6 MB
  • 3.4 MB
  • 7.9 MB
V
Vermont
  • 1.8 MB
  • 1.1 MB
  • 5.5 MB
Virginia
  • 19.3 MB
  • 12.0 MB
  • 72.0 MB
W
Washington
  • 22.8 MB
  • 13.9 MB
  • 18.4 MB
West Virginia
  • 1.8 MB
  • 1.1 MB
  • 5.5 MB
Wisconsin
  • 24.0 MB
  • 14.8 MB
  • 20.5 MB
Wyoming
  • 4.4 MB
  • 2.7 MB
  • 4.5 MB

Download contents:

  1. Historical Counties Shapefile (polygons) for the state's counties and county equivalents.
  2. Small_Changes shapefile (point feature) for all changes too small to map [if available].
  3. Comprehensive Database (tab-delimited text file) for all historical data.
  4. Copies of all the historical chronologies, supplemental texts, and metadata forms.
  5. Copy of the free access Attribution-NonCommercial-ShareAlike Creative Commons License.