Parish · code 22003
Allen ParishLouisiana
Allen Parish is a parish in Louisiana with its seat in Oberlin. It was created on June 12, 1912, from Calcasieu Parish and named after Henry Watkins Allen.
- Founded1912
- County seatOberlin
- Named forHenry Watkins Allen
- Land area762 sq mi + 4 sq mi water
- Population22,750 2020 Census
- Parcels mapped17,706 checked 16 October 2026
Where it is
Allen on the map of Louisiana
Louisiana has 64 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1912 from Calcasieu Parish
An old deed may name a county that no longer exists, or a boundary that has since moved.
Allen Parish was created from Calcasieu Parish on June 12, 1912, but was not fully organized and remained attached to Calcasieu for civil and criminal purposes until January 1, 1913.
- 1912Allen Parish created Allen created from Calcasieu. Allen not fully organized, attached to Calcasieu for civil and criminal purposes until 1 January 1913. · La. Acts 1912, reg. sess., pp. 8-10
Land and parcels
What the maps cover in Allen
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Fallback
Lot lines and tax-map numbers for 17,706 parcels from Allen Parish. Drawn for tax purposes: usually within a few feet of a survey, but not a survey. This copy is a fallback, not the county's own: use it as a guide and check the official record.
edited 2 March 2023 · checked 16 October 2026 -
Address points Missing
No public address points layer found for Allen Parish yet.
-
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
Allen 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
Allen Parish'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 Allen Parish.
See your own lot on these maps
Open Allen Parish 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 Allen Parish
- When was Allen Parish founded?
- Allen Parish was founded in 1912, formed from Calcasieu Parish, and named after Henry Watkins Allen.
- What is the county seat of Allen Parish?
- The county seat of Allen Parish is Oberlin.
- Is there an online parcel map for Allen Parish?
- Yes. Allen Parish publishes a parcel map of 17,706 parcels, rated fallback here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Allen Parish's boundary or name changed?
- Allen Parish was created in 1912 from Calcasieu Parish. 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 Allen Parish yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby