Simpson County, Mississippi

Simpson County, Mississippi, has 25,498 residents (July 2025 estimate). Its county seat is Mendenhall. It uses Central Time and covers 589 sq mi (1,526 km²) of land.

JacksonGulfportSouthaven
Simpson County in Mississippi
MageeMendenhallD'LoBraxton
Simpson County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
25,498
Land area
589 sq mi (1,526 km²)
County seat or government
Mendenhall
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$56,381 ± $2,849
Median home value
$122,200 ± $8,589
Median rent, with utilities
$852 ± $60
Homes lived in by their owners
81.4% ± 2.5 points
County type
County
Metro or micro area
Jackson, MS metro areaOutlying county
Water area
1.3 sq mi (3.38 km²)
State
Mississippi
County code (FIPS)
28127
Coordinates (central point)
31.902505, -89.917709

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 Simpson County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-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

  1. 3907321,066 people
  2. 391149,359 people
  3. 391119,143 people
  4. 391195,739 people
  5. 390442,994 people
  6. 391402,352 people
  7. 391491,485 people
  8. 390821,416 people
  9. 39078843 people
  10. 39062437 people

10 ZIP Code areas overlap Simpson 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 Simpson County, largest first

  1. Simpson County School District25,691 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. Magee, Mississippi (city)3,943 people
  2. Mendenhall, Mississippi (city)2,103 people
  3. D'Lo, Mississippi (town)443 people
  4. Braxton, Mississippi (village)189 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Jefferson Davis County, Mississippi24 mi south
  2. Rankin County, Mississippi25 mi north
  3. Smith County, Mississippi26 mi east
  4. Lawrence County, Mississippi27 mi southwest
  5. Covington County, Mississippi29 mi southeast
  6. Copiah County, Mississippi31 mi west
  7. Hinds County, Mississippi41 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.