County · code 28003
Alcorn CountyMississippi
Alcorn County is a county in Mississippi with its seat in Corinth, formed in 1870.
- Founded1870
- County seatCorinth
- Named forJames L. Alcorn
- Land area400 sq mi + 1.3 sq mi water
- Population34,740 2020 Census
- Parcels mapped22,709 checked 16 October 2026
Where it is
Alcorn on the map of Mississippi
Mississippi has 82 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1870 from Tippah County and Tishomingo County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Alcorn County was created on April 15, 1870, from parts of Tippah County and Tishomingo County. The county was named after James L. Alcorn.
- 1870Alcorn County created Alcorn created from Tippah and Tishomingo. · Miss. Laws 1870, reg. sess., ch. 51, secs. 1-3, 18/pp. 118-119, 121
- 1870Boundary clarified Alcorn boundaries were redefined (no change).no change· Miss. Laws 1870, reg. sess., ch. 52, secs. 1, 3-4/pp. 122-123
Land and parcels
What the maps cover in Alcorn
Who publishes each layer, how good it is, and when we last checked.
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Parcels Good enough
Lot lines and tax-map numbers for 22,709 parcels from Alcorn County. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 6 October 2026 · checked 16 October 2026 -
Address points Missing
No public address points layer found for Alcorn 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
Alcorn 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
Alcorn 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 Alcorn County.
See your own lot on these maps
Open Alcorn 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 Alcorn County
- When was Alcorn County founded?
- Alcorn County was founded in 1870, formed from Tippah County and Tishomingo County, and named after James L. Alcorn.
- What is the county seat of Alcorn County?
- The county seat of Alcorn County is Corinth.
- Is there an online parcel map for Alcorn County?
- Yes. Alcorn County publishes a parcel map of 22,709 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Alcorn County's boundary or name changed?
- Alcorn County was created in 1870 from Tippah County and Tishomingo County. Its boundary has been clarified one time since, with no change on the ground.
- Is my lot in a flood zone?
- We do not have flood maps for Alcorn County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby