Sangamon
County in Illinois
County
The population development of Sangamon.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2025-07-01 | |
|---|---|---|---|---|---|---|---|
| Sangamon | County | 178,386 | 188,951 | 197,465 | 196,405 | 194,345 | → |
| Illinois | State | 11,430,602 | 12,419,293 | 12,830,632 | 12,821,741 | 12,710,158 |
Contents: Incorporated Places
The population development of the incorporated places in Sangamon.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2025-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Auburn | City | Sangamon | 3,765 | 4,461 | 4,813 | 4,550 | 4,442 | → |
| Berlin | Village | Sangamon | 237 | 154 | 176 | 146 | 144 | → |
| Buffalo | Village | Sangamon | 503 | 498 | 499 | 447 | 437 | → |
| Cantrall | Village | Sangamon | 123 | 146 | 139 | 141 | 138 | → |
| Chatham | Village | Sangamon | 6,264 | 8,614 | 11,730 | 14,391 | 14,579 | → |
| Curran | Village | Sangamon | 261 | 247 | 210 | 212 | 209 | → |
| Dawson | Village | Sangamon | 541 | 520 | 505 | 517 | 507 | → |
| Divernon | Village | Sangamon | 1,160 | 1,197 | 1,173 | 1,140 | 1,107 | → |
| Grandview | Village | Sangamon | 1,637 | 1,534 | 1,438 | 1,418 | 1,389 | → |
| Illiopolis | Village | Sangamon | 925 | 926 | 891 | 847 | 832 | → |
| Jerome | Village | Sangamon | 1,932 | 1,769 | 1,694 | 1,677 | 1,627 | → |
| Leland Grove | City | Sangamon | 1,685 | 1,570 | 1,495 | 1,446 | 1,401 | → |
| Loami | Village | Sangamon | 819 | 812 | 747 | 811 | 790 | → |
| Mechanicsburg | Village | Sangamon | 531 | 464 | 590 | 659 | 661 | → |
| New Berlin | Village | Sangamon | 793 | 1,052 | 1,348 | 1,381 | 1,361 | → |
| Pawnee | Village | Sangamon | 2,382 | 2,635 | 2,778 | 2,685 | 2,686 | → |
| Pleasant Plains | Village | Sangamon | 704 | 772 | 803 | 824 | 823 | → |
| Riverton | Village | Sangamon | 2,678 | 3,114 | 3,466 | 3,555 | 3,471 | → |
| Rochester | Village | Sangamon | 2,727 | 2,875 | 3,711 | 3,865 | 4,093 | → |
| Sherman | Village | Sangamon | 2,093 | 2,885 | 4,152 | 4,676 | 4,644 | → |
| Southern View | Village | Sangamon | 2,012 | 1,745 | 1,662 | 1,588 | 1,540 | → |
| Spaulding | Village | Sangamon | 455 | 581 | 859 | 799 | 790 | → |
| Springfield | City | Sangamon | 107,460 | 112,514 | 116,995 | 114,570 | 112,989 | → |
| Thayer | Village | Sangamon | 730 | 771 | 693 | 634 | 615 | → |
| Virden | City | Macoupin / Sangamon | 3,623 | 3,420 | 3,524 | 3,233 | 3,149 | → |
| Williamsville | Village | Sangamon | 1,135 | 1,438 | 1,473 | 1,437 | 1,437 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 94,395 |
| Females | 101,948 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 43,155 |
| 18-64 years | 116,491 |
| 65+ years | 36,697 |
| Age Distribution (C 2020) | |
|---|---|
| 80+ years | 8,329 |
| 70-79 years | 16,074 |
| 60-69 years | 26,222 |
| 50-59 years | 26,654 |
| 40-49 years | 23,487 |
| 30-39 years | 25,085 |
| 20-29 years | 22,542 |
| 10-19 years | 25,184 |
| 0-9 years | 22,766 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 37,078 |
| Urban | 159,265 |
| »Race« (C 2020) | |
|---|---|
| White | 151,998 |
| Black/African American | 25,958 |
| Indigenous | 496 |
| Asian | 4,335 |
| Pacific Islander | 65 |
| Some other | 1,886 |
| 2 or more | 11,605 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 5,309 |
| Other | 191,034 |