County · code 18079
Jennings CountyIndiana
Jennings County is a county in Indiana, with its seat in Vernon. It was formed in 1817 from Jackson and Jefferson counties and named after Jonathan Jennings.
- Founded1817
- County seatVernon
- Named forJonathan Jennings
- Land area377 sq mi + 1.8 sq mi water
- Population27,613 2020 Census
- Parcels mapped21,279 checked 15 October 2026
Where it is
Jennings on the map of Indiana
Indiana has 92 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1817 from Jackson County, Jefferson County and Ripley County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Jennings County was created from Jackson and Jefferson on February 1, 1817, with Ripley County temporarily attached for administrative purposes. Ripley was fully organized and detached from Jennings in 1818, and Scott County was created from Jennings in 1820. Over the next two decades, Jennings gained small areas from Jefferson County in 1830 and 1835.
- 1817Jennings County created Jennings created from Jackson and Jefferson; Ripley was detached from Jefferson and attached to Jennings for administrative and judicial purposes. · Ind. Acts 1816, 1st sess., ch. 45, secs. 1-2, 8/pp. 197, 199
- 1818Changed Ripley fully organized, detached from Jennings. · Ind. Acts 1817, 2d sess., spec., ch. 13/p. 32
- 1820Gained territory Jennings gained from Jackson and Non-County Area 4; Delaware New Purchase (later Adams New Purchase) created from Non-County Area 4; Delaware New Purchase not fully organized, concurrently attached to Jennings and six other counties for administrative and judicial purposes. · Ind. Acts 1819, 4th sess., ch. 54/p. 95
- 1820Lost territory Jennings lost to creation of Scott. · Ind. Acts 1819, 4th sess., ch. 30, sec. 1/p. 51
- 1821Changed Delaware New Purchase (later Adams New Purchase) was detached from concurrent jurisdiction of Jennings and six other counties and attached to Bartholomew for administrative and judicial purposes. · Ind. Acts 1820, 5th sess., ch. 31, secs. 1-2, 8/pp. 79-80, 82 and ch. 32/p. 83
- 1830Gained territory Jennings gained small area in the town of Paris from Jefferson. · Ind. Acts 1829, 14th sess., ch. 11/p. 20
- 1835Gained territory Jennings gained small area from Jefferson. · Ind. Acts 1834, 19th sess., gen., ch. 59/p. 78
Land and parcels
What the maps cover in Jennings
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 21,279 parcels from Indiana Geographic Information Office (IndianaMap). Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
edited 6 October 2026 · checked 15 October 2026 -
Address points Official
One point per address, 14,888 in all from Indiana Geographic Information Office (IGIO).
edited 8 March 2026 · checked 13 October 2026 -
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
Jennings 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
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
Records
County government
- County government
The official website of Jennings County.
See your own lot on these maps
Open Jennings 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 Jennings County
- When was Jennings County founded?
- Jennings County was founded in 1817, formed from Jackson County, Jefferson County and Ripley County, and named after Jonathan Jennings.
- What is the county seat of Jennings County?
- The county seat of Jennings County is Vernon.
- Is there an online parcel map for Jennings County?
- Yes. Indiana Geographic Information Office (IndianaMap) publishes a parcel map of 21,279 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Jennings County's boundary or name changed?
- Jennings County was created in 1817 from Jackson County, Jefferson County and Ripley County. Since then the Atlas of Historical County Boundaries records 6 later changes, chiefly involving Adams County, Delaware County and Jefferson County.
- Is my lot in a flood zone?
- We do not have flood maps for Jennings County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby