Allen County, Kentucky
Allen County, Kentucky, has 22,536 residents (July 2025 estimate). Its county seat is Scottsville. It uses Central Time and covers 344 sq mi (890 km²) of land.
- Resident population, July 2025
- 22,536
- Land area
- 344 sq mi (890 km²)
- County seat or government
- Scottsville
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $61,403 ± $5,916
- Median home value
- $192,300 ± $11,453
- Median rent, with utilities
- $844 ± $76
- Homes lived in by their owners
- 74.5% ± 3.3 points
- County type
- County
- Metro or micro area
- Bowling Green, KY metro areaOutlying county
- Water area
- 8.14 sq mi (21.1 km²)
- State
- Kentucky
- County code (FIPS)
- 21003
- Coordinates (central point)
- 36.750770, -86.192458
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 Allen County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| Central TimeAmerica/Chicago | UTC-06:00 in January; UTC-05:00 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
- 4213419,380 people
- 4216417,673 people
- 421225,513 people
- 421202,745 people
- 421331,456 people
- 4215318 people
6 ZIP Code areas overlap Allen 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.
School districts in Allen County, largest first
- Allen County School District21,293 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.
- Scottsville, Kentucky (city)4,427 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Macon County, Tennessee18 mi southeast
- Barren County, Kentucky21 mi northeast
- Warren County, Kentucky21 mi northwest
- Simpson County, Kentucky22 mi west
- Sumner County, Tennessee24 mi southwest
- Monroe County, Kentucky27 mi east
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