County · code 40069
Johnston CountyOklahoma
Johnston County is a county in Oklahoma, seated in Tishomingo, created in 1907.
- Founded1907
- County seatTishomingo
- Named forDouglas H. Johnston
- Land area643 sq mi + 15 sq mi water
- Population10,272 2020 Census
Where it is
Johnston on the map of Oklahoma
Oklahoma has 77 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1907
An old deed may name a county that no longer exists, or a boundary that has since moved.
Johnston County was created on November 16, 1907, from former Indian Territory and named after Douglas H. Johnston.
- 1907Johnston County created Johnston created from former Indian Territory. · Okla. Constitution [1907], art. 17, sec. 8; Swindler, 8:147
Land and parcels
What the maps cover in Johnston
Who publishes each layer, how good it is, and when we last checked.
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Parcels Missing
No public parcel map found for Johnston County yet. Lot lines and owners of record are kept by the county (johnstoncountyok.org).
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Address points Missing
No public address points layer found for Johnston County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Johnston by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Johnston County's official site
We have found the county's site but not its offices yet; start there.
County government
- County government
The official website of Johnston County.
See your own lot on these maps
Open Johnston County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Johnston County
- When was Johnston County founded?
- Johnston County was founded in 1907, and named after Douglas H. Johnston.
- What is the county seat of Johnston County?
- The county seat of Johnston County is Tishomingo.
- Is there an online parcel map for Johnston County?
- Not that we have found yet. Lot lines and owners of record are kept by the county assessor's office. When a public parcel map appears, it shows here.
- Has Johnston County's boundary or name changed?
- Johnston County was created in 1907. The Atlas of Historical County Boundaries records no boundary change since.
- Is my lot in a flood zone?
- We do not have flood maps for Johnston County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby