Ranking of Sangamon County, IL Cities and Places By Population in 2020
Updated on August 16, 2024.
Based on the US Census Vintage data estimates, in 2020, among all Sangamon County, IL cities and places, Springfield city had the highest population (114.30K), followed by Balance of Sangamon County (31.90K), and Chatham village (14.42K).
The chart below shows the top 10 cities and places, and the table below shows the ranking of all Sangamon cities and places.
You can see similar information for other Illinois counties. You can also see the ranking of all cities and places in Illinois.
Data Source: US Census Bureau (Vintage).
See this for other years:
Ranking of Sangamon County, IL Cities and Places By Population in 2020
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| Rank | City or Place | Population |
|---|---|---|
| 1 | Springfield city | 114298 |
| 2 | Balance of Sangamon County | 31899 |
| 3 | Chatham village | 14416 |
| 4 | Sherman village | 4668 |
| 5 | Auburn city | 4545 |
| 6 | Rochester village | 3858 |
| 7 | Riverton village | 3531 |
| 8 | Pawnee village | 2684 |
| 9 | Jerome village | 1686 |
| 10 | Southern View village | 1590 |
| 11 | Leland Grove city | 1450 |
| 12 | Williamsville village | 1437 |
| 13 | Grandview village | 1404 |
| 14 | New Berlin village | 1379 |
| 15 | Divernon village | 1141 |
| 16 | Illiopolis village | 844 |
| 17 | Loami village | 809 |
| 17 | Pleasant Plains village | 809 |
| 18 | Spaulding village | 798 |
| 19 | Mechanicsburg village | 661 |
| 20 | Thayer village | 631 |
| 21 | Dawson village | 517 |
| 22 | Buffalo village | 446 |
| 23 | Curran village | 212 |
| 24 | Virden city (pt.) | 146 |
| 25 | Berlin village | 144 |
| 26 | Cantrall village | 141 |