ZIP Codes of Champaign County, OH

Population & People
Population & People
Total Population
36,387
Household Income
Household Income
Median Income
$75,957
Housing
Housing
Total Housing Units
15,943
Business & Economy
Business & Economy
Total Businesses
562
Employment
Employment
Employment Rate
59.44%
Education
Education
Bachelor's Degree+
18.73%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (6 Standard, 4 PO Box, 0 Unique) [See All]
Area Codes:326 / 937
Timezone:Eastern (GMT -05:00)
Local Time:2:13:18 PM
Population:36,387 [See All]
FIPS:39021
CBSA:Urbana, OH
Land Area:394 sq mi
Water Area:1 sq mi
Coordinates:40.1413, -83.7427
Quick Link:
https://www.zip-codes.com/county/oh-champaign.asp
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Ohio's #66 most populous county
36,387 residents across 10 ZIPs — #66 of 88 Ohio counties.

Standout ZIPs in this County


Most Populous
Urbana · 19,695 people
54.1% of county total
Highest Income
Cable · $102,841 median
1.4× county average
Largest Land Area
Urbana · 152.4 sq mi
Spans the most ground
Fastest Growth
Cable · 9.5% (10-yr)
2,036 → 2,229 residents
Most Educated
Urbana · 22.1% bachelor's+
3,117 of 14,128 adults 25+

Things worth knowing about Champaign County


36,387 residents live across 10 ZIPs covering 394 sq mi, served by 10 distinct USPS-recognized cities.

Population moved from 37,663 to 36,369 from 2014 to 2024 — a -3.4% change. 4 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 43009 (Cable, $102,841 median) and poorest ZIP 43060 (North Lewisburg, $62,014) are 5.5 miles apart — a 1.7× income gap across local geography.

Median home values vary 2.0× across this county — from $128,100 in 45389 (Christiansburg) to $258,300 in 43009 (Cable).

Density varies 69× across the county — from 47 people/sq mi in 43084 (Woodstock) to 3,234 in 45389 (Christiansburg).

Educational attainment ranges from 9.5% bachelor's+ in 43072 (Saint Paris) to 22.1% in 43078 (Urbana) — the breadth of educational profiles across the area.

Within Ohio, this is the #66 most populous of 88 counties and ranks #30 for median household income .

Weighted by population, the typical household earns about $75,448 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.7% of adults age 25+ hold a bachelor's degree or higher (4,850 of 25,889 reporting).

6 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Champaign County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
43078UrbanaStandard19,695$73,816152.4-5.0%
43072Saint ParisStandard5,253$76,37578.0-7.7%
43044MechanicsburgStandard4,964$76,39782.0-5.0%
43060North LewisburgStandard2,359$62,01426.7-5.1%
43009CableStandard2,229$102,84133.89.5%
43084WoodstockStandard991$78,00821.113.6%
45389ChristiansburgPO Box708$62,2500.241.6%
43070RosewoodPO Box1700.142.9%
43047MingoPO Box180.0
43083WestvillePO Box0.0

Adjacent & Nearby Counties