Clay County, Florida

Clay County, Florida, has 239,593 residents (July 2025 estimate). Its county seat is Green Cove Springs. It uses Eastern Time and covers 605 sq mi (1,566 km²) of land.

JacksonvilleMiamiTampa
Clay County in Florida
Bradford CountySt. Johns CountyLakesideOakleaf PlantationFleming IslandAsbury Lake
Clay County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
239,593
Land area
605 sq mi (1,566 km²)
County seat or government
Green Cove Springs
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$87,820 ± $2,783
Median home value
$312,500 ± $7,375
Median rent, with utilities
$1,551 ± $62
Homes lived in by their owners
75.9% ± 1.2 points
County type
County
Metro or micro area
Jacksonville, FL metro areaCentral county
Water area
38.9 sq mi (101 km²)
State
Florida
County code (FIPS)
12019
Coordinates (central point)
29.986584, -81.865036

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 Clay 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. 3206858,983 people
  2. 3207343,561 people
  3. 3206541,578 people
  4. 3204334,562 people
  5. 3200329,766 people
  6. 3265615,836 people
  7. 3209114,719 people
  8. 322349,678 people
  9. 326666,662 people
  10. 320584,655 people
  11. 321401,479 people
  12. 32079419 people

12 ZIP Code areas overlap Clay 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 Clay County, largest first

  1. Clay County School District227,584 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. Lakeside, Florida (CDP)32,105 people
  2. Oakleaf Plantation, Florida (CDP)32,070 people
  3. Fleming Island, Florida (CDP)29,766 people
  4. Bellair-Meadowbrook Terrace, Florida (CDP)14,755 people
  5. Asbury Lake, Florida (CDP)14,458 people
  6. Middleburg, Florida (CDP)11,644 people
  7. Green Cove Springs, Florida (city)10,044 people
  8. Orange Park, Florida (town)9,055 people
  9. Keystone Heights, Florida (city)1,576 people
  10. Penney Farms, Florida (town)642 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Bradford County, Florida18 mi west
  2. Duval County, Florida27 mi northeast
  3. Putnam County, Florida28 mi south
  4. St. Johns County, Florida29 mi east
  5. Baker County, Florida35 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.