Sangamon County, Illinois Population 2018

Sangamon County, Illinois's estimated population is 196,452 with a growth rate of -0.58% 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
2017198,1341,6820.86%
2017196,452-1,139-0.58%
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
White162,809
Black or African American25,273
Two or More Races4,755
Asian3,826
Some Other Race1,230
American Indian and Alaska Native165
Native Hawaiian and Other Pacific Islander76

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Sangamon County, Illinois Population Pyramid 2018

2,0004,0006,0008,000 Male Population2,0004,0006,0008,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Sangamon County, Illinois Median Age

40.1


Total

38.4


Male

41.4


Female

Sangamon County, Illinois Adults

There are 153,022 adults, (31,929 of whom are seniors) in Sangamon County, Illinois.

Sangamon County, Illinois Age Dependency

63.6

Age Dependency Ratio

26.4

Old Age Dependency Ratio

37.3

Child Dependency Ratio

Sangamon County, Illinois Sex Ratio

Female

103,031

52.00%

Male

95,103

48.00%

Sangamon County, Illinois Households and Families

Sangamon County, Illinois Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Sangamon County, Illinois Household Types

Type Owner Renter
Married87.6%12.4%
All69.4%30.6%
Male61.7%38.3%
Non Family56.7%43.3%
Female47.3%52.7%

69.4%

Rate of Home Ownership

Sangamon County, Illinois Households by Type

Type Count Average Size Owned
All83,6732.3269.4
Married36,9452.9487.6
Non Family32,3111.2256.7
Female10,7533.1847.3
Male3,6643.2161.7

2.93

Average Family Size

2.32

Average Household Size

5.3%

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 Grade2,6621.95%
9th to 12th Grade7,6775.63%
High School Graduate37,80027.71%
Some College30,97922.71%
Associates Degree10,6857.83%
Bachelors Degree29,20021.41%
Graduate Degree17,39912.76%

Sangamon County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White116,554109,01941,155
Black13,65211,4922,720
Hispanic2,3812,058745
Asian2,3522,1501,533
Multiple Races1,4701,318371
Other Race562471222
Native American14512719
Islander76709

The highest rate of high school graduation is among white people with a rate of 93.54%.

The highest rate of bachelors degrees is among white people with a rate of 65.18%.

Sangamon County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$39,741$46,154$34,495
Less Than High School$18,728$25,643$14,135
High School Grad$28,920$33,875$24,777
Some College$36,423$41,229$32,014
Bachelors Degree$52,371$62,350$44,139
Graduate Degree$65,730$81,360$55,962

$39,741

Average Earnings

$46,154

Average Male

$34,495

Average Female

Sangamon County, Illinois Language

Sangamon County, Illinois Language by Age

Sangamon County, Illinois Language

95.20% of Sangamon County, Illinois residents speak only English, while 4.80% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.63% of the population.

Sangamon County, Illinois Poverty

Sangamon County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White157,13717,30911.02%
Black24,59510,04340.83%
Multiple4,6551,35629.13%
Hispanic4,13489821.72%
Asian3,69069618.86%
Other1,16950443.11%
Native16563.64%

15.63%

Overall Poverty Rate

15.08%

Male Poverty Rate

16.15%

Female Poverty Rate

Poverty in Sangamon County, Illinois

The race most likely to be in poverty in Sangamon County, Illinois is Other, with 43.11% below the poverty level.

The race least likely to be in poverty in Sangamon County, Illinois is Native, with 3.64% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.75%. Among those working part-time, it was 20.32%, and for those that did not work, the poverty rate was 22.37%.

Sangamon County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School33.06%
High School15.40%
Some College11.44%
Bachelors or Greater4.35%

Sangamon County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed50.42%
Male Unemployed41.87%
Female Employed9.01%
Male Employed6.13%

Sangamon County, Illinois Income

Sangamon County, Illinois Income by Household Type

Name Median Mean
Households$58,687$78,048
Families$77,226$95,476
Married Families$93,017$114,344
Non Families$37,026$48,004

Sangamon County, Illinois Marital Status

Sangamon County, Illinois Marital Status

Marriage Rates

47.8%

Overall Marriage Rate

50.2%

Male Marriage Rate

45.7%

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


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Sangamon County, Illinois Veterans

Sangamon County, Illinois Veterans by War

13,506

Number of Veterans

12,436

Male Veterans

1,070

Female Veterans

Name Veterans
Vietnam5,193
First Gulf War2,479
Second Gulf War1,963
Korea1,292
World War II636

Sangamon County, Illinois Veterans by Age

Name Veterans
65 to 743,451
35 to 543,116
75+3,079
55 to 642,682
18 to 341,178

Sangamon County, Illinois Veterans by Race

Name Veterans % of Total
White12,1159.31%
Black1,1316.73%
2 or More1316.71%
Hispanic963.39%
Asian622.05%
Other456.84%
Indian169.76%
Hawaiian67.89%

Sangamon County, Illinois Veterans by Education

9.14%

Veteran Poverty Rate

30.60%

Veteran Disability Rate

Sangamon County, Illinois Employment Status

Sangamon County, Illinois Employment by Age

64.9%

Labor Force Participation

60.3%

Employment Rate

6.9%

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