Sangamon County, Illinois Population 2018

Sangamon County, Illinois's estimated population is 196,452 with a growth rate of -1.10% in the past year according to the most recent United States census data. Sangamon County, Illinois is the 11th largest county in Illinois.

Year Population Growth Growth Rate
2017196,452-2,187-1.10%
2016198,6391,0480.53%
2016197,591-1,043-0.53%
2015198,634-346-0.17%
2014198,980-34-0.02%
2013199,014-306-0.15%
2012199,3203500.18%
2011198,9701,2060.61%
2010197,76419,37810.86%
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, Illinois Population Growth

Population Data via

Population by Race

Race Population
White163,815
Black or African American25,155
Two or More Races4,370
Asian3,519
Some Other Race1,454
American Indian and Alaska Native246
Native Hawaiian and Other Pacific Islander80

Race Data via US Census (2016 ACS 5-Year Survey)

Sangamon County, Illinois Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Sangamon County, Illinois Median Age

39.9


Total

38.1


Male

41.1


Female

Sangamon County, Illinois Adults

There are 153,151 adults, (30,988 of which are seniors) in Sangamon County, Illinois.

Sangamon County, Illinois Age Dependency

62.6

Age Dependency Ratio

25.3

Old Age Dependency Ratio

37.3

Child Dependency Ratio

Sangamon County, Illinois Sex Ratio

Female

103,209

51.96%

Male

95,430

48.04%

Sangamon County, Illinois Households and Families

Sangamon County, Illinois Renter vs Owner Occupied by Household Type

Sangamon County, Illinois Household Types

Type Owner Renter
Married87.9%12.1%
All69.6%30.4%
Male60.7%39.3%
Non Family56.5%43.5%
Female48.6%51.4%

69.6%

Rate of Home Ownership

Sangamon County, Illinois Households by Type

Type Count Average Size Owned
All82,9522.3469.6
Married36,6732.9887.9
Non Family32,4671.2356.5
Female10,3593.2948.6
Male3,4533.3160.7

2.99

Average Family Size

2.34

Average Household Size

4.9%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Sangamon County, Illinois Households

Sangamon County, Illinois Education

Sangamon County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade2,8382.08%
9th to 12th Grade7,7395.68%
High School Graduate37,91027.84%
Some College30,38722.31%
Associates Degree10,5717.76%
Bachelors Degree29,38221.58%
Graduate Degree17,35512.74%

Sangamon County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White116,792108,85541,279
Black13,43711,3972,889
Hispanic2,2661,994699
Asian2,2392,0491,379
Multiple Races1,3351,209355
Other Race599504187
Native American19918758
Islander807217

The highest rate of high school graduation is among native american people with a rate of 93.97%.

The highest rate of bachelors degrees is among native american people with a rate of 61.59%.

Sangamon County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$38,369$44,423$32,451
Less Than High School$16,411$21,734$12,613
High School Grad$27,147$31,804$23,818
Some College$35,439$40,022$31,230
Bachelors Degree$50,913$62,697$42,059
Graduate Degree$64,621$79,396$54,886

$38,369

Average Earnings

$44,423

Average Male

$32,451

Average Female

Sangamon County, Illinois Language

Sangamon County, Illinois Language by Age

Sangamon County, Illinois Language

95.29% of Sangamon County, Illinois residents speak only English, while 4.71% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.64% of the population.

Sangamon County, Illinois Poverty

Sangamon County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White158,15016,85010.65%
Black24,4089,67739.65%
Multiple4,2591,22428.74%
Hispanic4,0231,08026.85%
Asian3,39265219.22%
Other1,40959242.02%
Native246156.10%

15.21%

Overall Poverty Rate

14.54%

Male Poverty Rate

15.84%

Female Poverty Rate

Poverty in Sangamon County, Illinois

The race most likely to be in poverty in Sangamon County, Illinois is Other, with 42.02% below the poverty level.

The race least likely to be in poverty in Sangamon County, Illinois is Native, with 6.10% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.10%. Among those working part-time, it was 21.15%, and for those that did not work, the poverty rate was 21.79%.

Sangamon County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School33.37%
High School14.62%
Some College11.05%
Bachelors or Greater3.83%

Sangamon County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed51.61%
Male Unemployed38.70%
Female Employed9.07%
Male Employed5.76%

Sangamon County, Illinois Income

Sangamon County, Illinois Income by Household Type

Name Median Mean
Households$56,742$74,988
Families$74,886$92,514
Married Families$89,546$109,794
Non Families$35,898$46,062

Sangamon County, Illinois Marital Status

Sangamon County, Illinois Marital Status

Marriage Rates

47.6%

Overall Marriage Rate

50.3%

Male Marriage Rate

45.1%

Female Marriage Rate

Sangamon County, Illinois Married by Age and Sex

Sangamon County, Illinois Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Sangamon County, Illinois Marital Status by Race

Sangamon County, Illinois Veterans

Sangamon County, Illinois Veterans by War

14,127

Number of Veterans

12,832

Male Veterans

1,295

Female Veterans

Name Veterans
Vietnam5,413
First Gulf War2,572
Second Gulf War1,913
Korea1,411
World War II783

Sangamon County, Illinois Veterans by Age

Name Veterans
65 to 743,470
35 to 543,346
75+3,115
55 to 642,958
18 to 341,238

Sangamon County, Illinois Veterans by Race

Name Veterans % of Total
White12,4889.57%
Black1,2637.60%
Hispanic2007.34%
2 or More1598.89%
Asian963.38%
Other698.89%
Indian4321.18%
Hawaiian911.25%

Sangamon County, Illinois Veterans by Education

8.56%

Veteran Poverty Rate

29.52%

Veteran Disability Rate

Sangamon County, Illinois Employment Status

Sangamon County, Illinois Employment by Age

65.6%

Labor Force Participation

60.5%

Employment Rate

7.5%

Unemployment Rate

Sangamon County, Illinois Employment by Race

Sangamon County, Illinois Employment by Education

Population of Cities in Sangamon County, Illinois

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%
Virden 35253393-132-3.74%
Pawnee27392693-46-1.68%
Jerome16771634-43-2.56%
Southern View16611618-43-2.59%
Leland Grove14891506171.14%
Williamsville14761493171.15%
Grandview14411423-18-1.25%
New Berlin1346134600.00%
Divernon11721144-28-2.39%
Illiopolis891871-20-2.24%
Spaulding873865-8-0.92%
Pleasant Plains802799-3-0.37%
Loami74574940.54%
Thayer693673-20-2.89%
Mechanicsburg590640508.47%
Dawson509489-20-3.93%
Buffalo503483-20-3.98%
Clear Lake229226-3-1.31%
Curran212209-3-1.42%
Berlin180178-2-1.11%
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