Sangamon County, Illinois's estimated 2024 population is 192,831 with a growth rate of -0.34% in the past year according to the most recent United States census data. Sangamon County, Illinois is the 11th largest county in Illinois. The 2010 population was 197,769 and has seen a growth of -2.5% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 189,531 | -660 | -0.35% |
| 2028 | 190,191 | -660 | -0.35% |
| 2027 | 190,851 | -660 | -0.34% |
| 2026 | 191,511 | -660 | -0.34% |
| 2025 | 192,171 | -660 | -0.34% |
| 2024 | 192,831 | -660 | -0.34% |
| 2023 | 193,491 | -660 | -0.34% |
| 2022 | 194,151 | -1,220 | -0.62% |
| 2021 | 195,371 | -773 | -0.39% |
| 2020 | 196,144 | 1,262 | 0.65% |
| 2019 | 194,882 | -920 | -0.47% |
| 2018 | 195,802 | -1,361 | -0.69% |
| 2017 | 197,163 | -922 | -0.47% |
| 2016 | 198,085 | -888 | -0.45% |
| 2015 | 198,973 | -279 | -0.14% |
| 2014 | 199,252 | 62 | 0.03% |
| 2013 | 199,190 | -241 | -0.12% |
| 2012 | 199,431 | 379 | 0.19% |
| 2011 | 199,052 | 1,283 | 0.65% |
| 2010 | 197,769 | 0 | 0% |
| 1990 | 178,386 | 2,297 | 1.3% |
| 1980 | 176,089 | 14,754 | 9.14% |
| 1970 | 161,335 | 14,796 | 10.1% |
| 1960 | 146,539 | 15,055 | 11.45% |
| 1950 | 131,484 | 13,572 | 11.51% |
| 1940 | 117,912 | 6,179 | 5.53% |
| 1930 | 111,733 | 11,471 | 11.44% |
| 1920 | 100,262 | 9,238 | 10.15% |
| 1910 | 91,024 | 19,431 | 27.14% |
| 1900 | 71,593 | 10,398 | 16.99% |
| 1890 | 61,195 | 8,301 | 15.69% |
| 1880 | 52,894 | 6,542 | 14.11% |
| 1870 | 46,352 | 14,078 | 43.62% |
| 1860 | 32,274 | 13,046 | 67.85% |
| 1850 | 19,228 | 4,512 | 30.66% |
| 1840 | 14,716 | 1,756 | 13.55% |
| 1830 | 12,960 | -176,571 | -93.16% |
White
Black or African American
Two or more races
Asian
Other race
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 84,017 | 2.29 | 70.1 | 29.9 |
| Married | 35,728 | 2.98 | 88.7 | 11.3 |
| Non Family | 34,469 | 1.19 | 57.9 | 42.1 |
| Female | 10,474 | 3.29 | 48.7 | 51.3 |
| Male | 3,346 | 3.09 | 63.4 | 36.6 |
2.96
Average Family Size
2.29
Average Household Size
70.1%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among islander people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 71.97%.
All
Male
Female
$50,714
Average Earnings
$56,924
Average Male
$43,918
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
95.54% of Sangamon County, Illinois residents speak only English, while 4.46% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.53% of the population.
rate
12.91%
Overall Poverty Rate
11.68%
Male Poverty Rate
14.05%
Female Poverty Rate
The race most likely to be in poverty in Sangamon County, Illinois is Black, with 39.6% below the poverty level.
The race least likely to be in poverty in Sangamon County, Illinois is Asian, with 6.34% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.31%. Among those working part-time, it was 16.19%, and for those that did not work, the poverty rate was 20.9%.
Married
Widowed
Divorced
Separated
NeverMarried
46.4%
Overall Marriage Rate
49.0%
Male Marriage Rate
43.9%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.7%
Veteran Poverty Rate
22.65%
Veteran Disability Rate
LaborForceParticipation
62.1%
Labor Force Participation
58.7%
Employment Rate
5.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
80.75%
Born in Sangamon County, Illinois
96.99%
Native Born
3.01%
Foreign Born
1.35%
Non Citizen
1.66%
Naturalized
96.99% of Sangamon County, Illinois residents were born in the United States, with 80.75% having been born in Illinois. 1.35% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.