Champaign County, Illinois

County seat: Urbana · Population 209,972 (2025) · 996 sq mi

Champaign County is the 10th most populous of Illinois's 102 counties, with 209,972 people (2025 estimate). Its county seat is Urbana. It is part of the East Central region, one of the 10 Illinois economic development regions (DCEO). The map shows its 24 cities and towns and the 6 neighboring counties.

Map of Champaign County, Illinois with cities, towns and the county boundary
Champaign County, Illinois with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).
Download PDF (Letter) 124 KBPNG image 89 KBIllinois county map

Champaign County facts

County seat
Urbana
Population (2025 estimate)
209,972 +1.7% since 2020
Land area
996 sq mi 5th largest of 102
Water area
2 sq mi
Population density
211 per sq mi
Established
1833
Named after
Champaign County county in Ohio, United States
Largest city
Champaign 91,195
Median household income
$63,683
Cities and towns
24 plus 4 CDPs
ZIP codes
35
Time zone
Central
FIPS code
17019

Cities and towns in Champaign County

Champaign County has 24 incorporated cities, towns and villages. Populations count the people living inside Champaign County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
ChampaignCity91,195
Urbana (county seat)City39,719
RantoulVillage11,991
MahometVillage10,516
SavoyVillage9,113
St. JosephVillage3,689
TolonoVillage3,499
FisherVillage2,087
PhiloVillage1,352
SidneyVillage1,167
HomerVillage1,050
ThomasboroVillage1,003
GiffordVillage885
OgdenVillage714
PesotumVillage546
SadorusVillage390
BondvilleVillage375
BroadlandsVillage303
LudlowVillage297
RoyalVillage280
IvesdaleVillage255Piatt County
LongviewVillage111
FooslandVillage73
AllertonVillage0Vermilion County

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Lake of the Woods2,091
Seymour270
Penfield190
Dewey89

ZIP codes in Champaign County

35 ZIP codes reach into Champaign County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Champaign County, 2020–2025

Champaign County grew by 3,527 people (+1.7%) between April 2020 and July 2025: 2,506 more births than deaths and a net gain of 837 people from migration.

Year (July 1)Population
2020206,222
2021206,921
2022208,056
2023208,570
2024209,178
2025209,972

Neighboring counties

Printable Champaign County map

The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.

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Sources

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