Regional Planning Commission
Census
CENSUS INFORMATION
County, township, and local municipal data was obtained from the U.S. Census Bureau and the Ohio Department of Development, Office of Strategic Research. All information is believed to be accurate but is not guaranteed. You might also wish to visit the U.S. Census Bureau web site (www.census.gov) for more census related information.

FAIRFIELD COUNTY POPULATION
from 1800 TO 2010
1800 - No Data
1810 - 11,361
1820 - 16,633
1830 - 24,786
1840 - 31,924
1850 - 30,264
1860 - 30,538
1870 - 31,138
1880 - 34,284
1890 - 33,939
1900 - 34,259
1910 - 39,201
1920 - 40,484
1930 - 44,010
1940 - 48,490
1950 - 52,130
1960 - 63,912
1970 - 73,301
1980 - 93,678
1990 - 103,461
2000 - 122,759
2010 - 146,156
GENERAL DEMOGRAPHIC DATA
1990, 2000 and 2010 general demographic (DP-1) data is now available for unincorporated (townships) and incorporated (cities and villages) areas of Fairfield County. The data was obtained from the U.S. Census Bureau and Ohio Department of Development's Office of Strategic Research. Some data for the 1990 Census was estimated by the Fairfield County Regional Planning Commission and are provided as rough figures only.
CENSUS TRACTS
Census tract information is available in two formats. Select the low or high resolution file to see an online image of the 2010, 2000, 1990 census tracts for Fairfield County. Census tract boundaries are obtained from U.S. Census Bureau Tiger/Line Files.
COUNTY PROFILE & POPULATION ESTIMATES
The Fairfield County Profile was produced by the Office of Strategic Research. You might also wish to visit Ohio Department of Development's Office of Strategic Research for more state, county, township, and local municipal census related information