County · code 17153
Pulaski CountyIllinois
Pulaski County is a county in Illinois with its seat in Mound City. The county was formed on June 5, 1843 and was named after Casimir Pulaski.
- Founded1843
- County seatMound City
- Named forCasimir Pulaski
- Land area199 sq mi + 3.8 sq mi water
- Population5,193 2020 Census
Where it is
Pulaski on the map of Illinois
Illinois has 102 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1843 from Alexander County and Massac County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Pulaski County was created from Alexander and Massac counties on June 5, 1843.
- 1843Pulaski County created Pulaski created from Alexander and Massac. · Ill. Laws 1842-1843, pp. 99-101
Land and parcels
What the maps cover in Pulaski
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 Pulaski County yet. Lot lines and owners of record are kept by the county (pulaskicountyil.net).
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Address points Missing
No public address points layer found for Pulaski 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
Pulaski 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
Pulaski 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 Pulaski County.
See your own lot on these maps
Open Pulaski 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 Pulaski County
- When was Pulaski County founded?
- Pulaski County was founded in 1843, formed from Alexander County and Massac County, and named after Casimir Pulaski.
- What is the county seat of Pulaski County?
- The county seat of Pulaski County is Mound City.
- Is there an online parcel map for Pulaski 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 Pulaski County's boundary or name changed?
- Pulaski County was created in 1843 from Alexander County and Massac County. 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 Pulaski County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby