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Where am ILOCATED

DeKalb County, Indiana

DeKalb County, Indiana, has 44,535 residents (July 2025 estimate). Its county seat is Auburn. It uses Eastern Time and covers 363 sq mi (940 km²) of land.

IndianapolisFort WayneEvansville
DeKalb County in Indiana
AuburnGarrettButlerWaterloo
DeKalb County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
44,535
Land area
363 sq mi (940 km²)
County seat or government
Auburn
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$74,331 ± $4,948
Median home value
$194,100 ± $9,085
Median rent, with utilities
$861 ± $29
Homes lived in by their owners
82.1% ± 1.7 points
County type
County
Metro or micro area
Auburn, IN micro areaCentral county
Water area
1.03 sq mi (2.66 km²)
State
Indiana
County code (FIPS)
18033
Coordinates (central point)
41.396760, -85.002697
Open this point in the location finder

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 DeKalb County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/Indiana/IndianapolisUTC-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. 4670620,403 people
  2. 4675515,441 people
  3. 467388,533 people
  4. 467486,902 people
  5. 467214,739 people
  6. 467104,506 people
  7. 467884,373 people
  8. 467934,104 people
  9. 467423,292 people
  10. 467472,388 people
  11. 467051,972 people
  12. 467851,491 people
All 14
  1. 467631,444 people
  2. 467301,299 people

14 ZIP Code areas overlap DeKalb 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 DeKalb County, largest first

  1. Union Township13,917 people
  2. Keyser Township7,927 people
  3. Wilmington Township4,026 people
  4. Jackson Township3,749 people
  5. Grant Township3,111 people
  6. Butler Township2,012 people
  7. Smithfield Township1,629 people
  8. Concord Township1,486 people
  9. Franklin Township1,271 people
  10. Fairfield Township1,233 people
  11. Richland Township1,187 people
  12. Spencer Township1,005 people
All 15
  1. Newville Township700 people
  2. Troy Township378 people
  3. Stafford Township176 people

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

School districts in DeKalb County, largest first

  1. DeKalb County Central United School District25,297 people
  2. Garrett-Keyser-Butler Community Schools9,939 people
  3. DeKalb County Eastern Community School District7,771 people
  4. Hamilton Community Schools4,053 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. Auburn, Indiana (city)13,565 people
  2. Garrett, Indiana (city)6,642 people
  3. Butler, Indiana (city)2,660 people
  4. Waterloo, Indiana (town)2,073 people
  5. Hamilton, Indiana (town)1,939 people
  6. Ashley, Indiana (town)1,230 people
  7. Altona, Indiana (town)415 people
  8. St. Joe, Indiana (town)411 people
  9. Spencerville, Indiana (CDP)244 people
  10. Corunna, Indiana (town)128 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Steuben County, Indiana17 mi north
  2. Allen County, Indiana21 mi south
  3. Noble County, Indiana21 mi west
  4. Williams County, Ohio25 mi northeast
  5. Defiance County, Ohio27 mi east
  6. LaGrange County, Indiana28 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.