Marion County, Texas

Marion County, Texas, has 9,896 residents (July 2025 estimate). Its county seat is Jefferson. It uses Central Time and covers 381 sq mi (987 km²) of land.

HoustonSan AntonioDallas
Marion County in Texas
JeffersonPine Harbor
Marion County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
9,896
Land area
381 sq mi (987 km²)
County seat or government
Jefferson
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$49,672 ± $3,965
Median home value
$101,500 ± $19,349
Median rent, with utilities
$911 ± $222
Homes lived in by their owners
78.5% ± 4.4 points
County type
County
Metro or micro area
Outside any metro or micro areaNext to: Longview, TX metro area, Shreveport-Bossier City, LA metro area, and Mount Pleasant, TX micro area
Water area
39.4 sq mi (102 km²)
State
Texas
County code (FIPS)
48315
Coordinates (central point)
32.798182, -94.356853

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 Marion 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. 756577,503 people
  2. 756406,142 people
  3. 756833,413 people
  4. 756302,452 people
  5. 756682,094 people
  6. 756511,871 people
  7. 755551,630 people

7 ZIP Code areas overlap Marion 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 Marion County, largest first

  1. Jefferson Independent School District8,967 people
  2. Ore City Independent School District4,601 people
  3. Avinger Independent School District1,137 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. Jefferson, Texas (city)2,131 people
  2. Pine Harbor, Texas (CDP)566 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Harrison County, Texas17 mi south
  2. Cass County, Texas20 mi north
  3. Morris County, Texas31 mi northwest
  4. Caddo Parish, Louisiana31 mi southeast
  5. Upshur County, Texas34 mi west

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.