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Where am ILOCATED

Rockcastle County, Kentucky

Rockcastle County, Kentucky, has 16,148 residents (July 2025 estimate). Its county seat is Mount Vernon. It uses Eastern Time and covers 317 sq mi (820 km²) of land.

Louisville/Jefferson CountyLexington-FayetteBowling Green
Rockcastle County in Kentucky
Jackson CountyLincoln CountyMount VernonBrodheadLivingston
Rockcastle County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
16,148
Land area
317 sq mi (820 km²)
County seat or government
Mount Vernon
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$48,862 ± $4,995
Median home value
$123,600 ± $15,161
Median rent, with utilities
$676 ± $57
Homes lived in by their owners
74.3% ± 1.4 points
County type
County
Metro or micro area
Richmond-Berea, KY micro areaOutlying county
Water area
1.53 sq mi (3.96 km²)
State
Kentucky
County code (FIPS)
21203
Coordinates (central point)
37.361050, -84.314368
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 Rockcastle 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. 4040327,607 people
  2. 404568,370 people
  3. 404478,014 people
  4. 404195,250 people
  5. 404093,445 people
  6. 404601,358 people
  7. 40445755 people

7 ZIP Code areas overlap Rockcastle 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 Rockcastle County, largest first

  1. Rockcastle County School District16,163 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. Mount Vernon, Kentucky (city)2,398 people
  2. Brodhead, Kentucky (city)1,423 people
  3. Livingston, Kentucky (city)187 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Jackson County, Kentucky16 mi east
  2. Lincoln County, Kentucky20 mi west
  3. Laurel County, Kentucky20 mi southeast
  4. Garrard County, Kentucky23 mi northwest
  5. Pulaski County, Kentucky23 mi southwest
  6. Madison County, Kentucky25 mi north

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.