Champaign County, Ohio

Champaign County, Ohio, has 38,820 residents (July 2025 estimate). Its county seat is Urbana. It uses Eastern Time and covers 429 sq mi (1,111 km²) of land.

ColumbusClevelandCincinnati
Champaign County in Ohio
UrbanaSt. ParisMechanicsburgNorth LewisburgChristiansburg
Champaign County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
38,820
Land area
429 sq mi (1,111 km²)
County seat or government
Urbana
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$75,556 ± $3,880
Median home value
$204,000 ± $8,325
Median rent, with utilities
$905 ± $50
Homes lived in by their owners
76.8% ± 1.7 points
County type
County
Metro or micro area
Urbana, OH micro areaCentral county
Water area
0.84 sq mi (2.18 km²)
State
Ohio
County code (FIPS)
39021
Coordinates (central point)
40.132775, -83.767604

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Champaign County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 4536528,965 people
  2. 4307819,695 people
  3. 4550217,692 people
  4. 4534416,979 people
  5. 430725,253 people
  6. 430444,964 people
  7. 433574,899 people
  8. 433184,352 people
  9. 430602,359 people
  10. 430092,229 people
  11. 430451,739 people
  12. 433431,366 people
All 18
  1. 453171,187 people
  2. 453121,086 people
  3. 43084991 people
  4. 45389708 people
  5. 43070170 people
  6. 4304718 people

18 ZIP Code areas overlap Champaign County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Champaign County, largest first

  1. Urbana Township14,154 people
  2. Goshen Township3,638 people
  3. Johnson Township3,138 people
  4. Rush Township2,796 people
  5. Mad River Township2,766 people
  6. Jackson Township2,539 people
  7. Salem Township2,514 people
  8. Union Township1,949 people
  9. Wayne Township1,699 people
  10. Concord Township1,506 people
  11. Adams Township1,371 people
  12. Harrison Township734 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Ohio, by county

School districts in Champaign County, largest first

  1. Northeastern Local School District (Clark County)22,945 people
  2. Urbana City School District14,623 people
  3. Graham Local School District11,764 people
  4. Northwestern Local School District (Clark County)10,933 people
  5. Miami East Local School District8,592 people
  6. West Liberty-Salem Local School District5,841 people
  7. Triad Local School District5,597 people
  8. Mechanicsburg Exempted Village School District4,479 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Urbana, Ohio (city)11,204 people
  2. St. Paris, Ohio (village)2,248 people
  3. Mechanicsburg, Ohio (village)1,713 people
  4. North Lewisburg, Ohio (village)1,706 people
  5. Christiansburg, Ohio (village)708 people
  6. Rosewood, Ohio (CDP)362 people
  7. Woodstock, Ohio (village)311 people
  8. Mutual, Ohio (village)87 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Clark County, Ohio15 mi south
  2. Logan County, Ohio18 mi north
  3. Union County, Ohio24 mi northeast
  4. Miami County, Ohio25 mi west
  5. Madison County, Ohio25 mi southeast
  6. Shelby County, Ohio27 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.