Caldwell County, Kentucky
Caldwell County, Kentucky, has 12,609 residents (July 2025 estimate). Its county seat is Princeton. It uses Central Time and covers 345 sq mi (893 km²) of land.
- Resident population, July 2025
- 12,609
- Land area
- 345 sq mi (893 km²)
- County seat or government
- Princeton
- Time zone
- Central TimeUTC-06:00 in January; UTC-05:00 in July
- Median household income
- $59,583 ± $10,570
- Median home value
- $118,500 ± $9,284
- Median rent, with utilities
- $767 ± $51
- Homes lived in by their owners
- 70.2% ± 3.6 points
- County type
- County
- Metro or micro area
- Outside any metro or micro areaNext to: Madisonville, KY micro area, Clarksville, TN-KY metro area, and Henderson, KY micro area
- Water area
- 3.31 sq mi (8.58 km²)
- State
- Kentucky
- County code (FIPS)
- 21033
- Coordinates (central point)
- 37.148642, -87.870509
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 Caldwell 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
- 4221113,475 people
- 4244510,533 people
- 420648,098 people
- 420386,282 people
- 424085,888 people
- 424112,002 people
6 ZIP Code areas overlap Caldwell 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 Caldwell County, largest first
- Caldwell County School District12,618 people
- Dawson Springs Independent School District1,951 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.
- Princeton, Kentucky (city)6,241 people
- Dawson Springs, Kentucky (city)1,951 people
- Fredonia, Kentucky (city)466 people
Bordering areas, nearest first
Distances are straight lines between map points.
- Lyon County, Kentucky15 mi southwest
- Crittenden County, Kentucky19 mi northwest
- Hopkins County, Kentucky21 mi northeast
- Trigg County, Kentucky24 mi south
- Christian County, Kentucky27 mi southeast
- Webster County, Kentucky28 mi north
Before using this answer on a form
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