Johnston County, Oklahoma

Johnston County, Oklahoma, has 10,448 residents (July 2025 estimate). Its county seat is Tishomingo. It uses Central Time and covers 643 sq mi (1,665 km²) of land.

Johnston County in Oklahoma

Johnston County and its neighbors (simplified outlines). Open in OpenStreetMap ↗

Resident population, July 2025: 10,448
Land area: 643 sq mi (1,665 km²)
County seat or government: Tishomingo
Time zone: Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income: $52,688 ± $4,965
Median home value: $116,500 ± $10,623
Median rent, with utilities: $762 ± $99
Homes lived in by their owners: 72.2% ± 2.5 points
County type: County
Metro or micro area: Outside any metro or micro areaNext to: Durant, OK micro area, Ardmore, OK micro area, and Ada, OK micro area
Water area: 15.3 sq mi (39.6 km²)
State: Oklahoma
County code (FIPS): 40069
Coordinates (central point): 34.313455, -96.654254

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 Johnston 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.

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ZIP Code areas, largest first

7340136,833 people
730868,404 people
734604,240 people
748712,349 people
734501,562 people
734471,090 people
73432862 people
74856842 people
73461710 people
73455590 people
74748572 people
74530177 people

All 13

74836164 people

13 ZIP Code areas overlap Johnston 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

Johnston County government website ↗ is the next stop for county offices, tax, voting, jury and records information. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

School districts in Johnston County, largest first

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.

Tribal areas in Johnston County, largest first

Chickasaw Oklahoma Tribal Statistical Area315,106 people

American Indian, Alaska Native and Native Hawaiian areas as the Census Bureau maps them, with at least 2% of their area here, water included. These lines don’t decide membership, jurisdiction or land status.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

All 14

Reagan, Oklahoma (CDP)46 people
Connerville, Oklahoma (CDP)10 people

Bordering areas, nearest first

Distances are straight lines between map points.

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.