Sangamon County Population 2017

Sangamon County's estimated population is 197,499 with a growth rate of -0.50% in the past year according to the most recent United States census data. Sangamon County is the 11th largest county in Illinois.

Year Population Growth Growth Rate
2016197,499-997-0.50%
2015198,496-463-0.23%
2014198,959-14-0.01%
2013198,973-296-0.15%
2012199,2693640.18%
2011198,9051,1040.56%
2010197,80119,41510.88%
1990178,3862,2971.30%
1980176,08914,7549.14%
1970161,33514,79610.10%
1960146,53915,05511.45%
1950131,48413,57211.51%
1940117,9126,1795.53%
1930111,73311,47111.44%
1920100,2629,23810.15%
191091,02419,43127.14%
190071,59310,39816.99%
189061,1958,30115.69%
188052,8946,54214.11%
187046,35214,07843.62%
186032,27413,04667.85%
185019,2284,51230.66%
184014,7161,75613.55%
183012,9600.00%

Sangamon County Population Growth

Population Data via

Sangamon County Race Data

Race Population Percentage
White164,58783.34%
Black or African American24,80512.56%
Two or More Races4,7042.38%
Asian3,8041.93%
American Indian and Alaska Native5300.27%
Native Hawaiian and Other Pacific Islander660.03%

Sangamon County Population Pyramid

0k2k4k6k8kSangamon County Male Population0k2k4k6k8kSangamon County Female Population

Population of Cities in Sangamon County

City 2010 Census 2016 Estimated Growth Growth Rate
Springfield116444115715-729-0.63%
Chatham11602124538517.33%
Auburn48124752-60-1.25%
Sherman4148468553712.95%
Rochester36893762731.98%
Riverton34553433-22-0.64%
Pawnee27392693-46-1.68%
Williamsville14761493171.15%
New Berlin1346134600.00%
Divernon11721144-28-2.39%
Illiopolis891871-20-2.24%
Pleasant Plains802799-3-0.37%
Loami74574940.54%
Thayer693673-20-2.89%
Mechanicsburg590640508.47%
Dawson509489-20-3.93%
Buffalo503483-20-3.98%
Cantrall139137-2-1.44%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990