County · code 27055
Houston CountyMinnesota
Houston County is a county in Minnesota with its seat in Caledonia. It was created on February 23, 1854, from Fillmore County and named after Sam Houston.
- Founded1854
- County seatCaledonia
- Named forSam Houston
- Land area552 sq mi + 17 sq mi water
- Population18,843 2020 Census
- Parcels mapped16,634 checked 16 October 2026
Where it is
Houston on the map of Minnesota
Minnesota has 87 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1854 from Fillmore County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Houston County was created from Fillmore County and fully organized on February 23, 1854. In 1918, Houston County lost Baron's Island in the Mississippi River to Wisconsin when Minnesota and Wisconsin exchanged islands in the Mississippi River.
- 1854Houston County created Houston created from Fillmore, fully organized. · Minn. Terr. Laws 1854, ch. 29, pp. 70-71, and ch. 32, sec. 7/p. 78
- 1918Lost territory Houston lost Baron's Island in Mississippi River (opposite La Crosse, Wisconsin), to Wisconsin when Minnesota and Wisconsin exchanged islands in Mississippi River. · Minn. Laws 1917, ch. 116, secs. 1-5/pp. 142-144; Laws of Wis., 1917, reg. sess., ch. 64, secs. 1-4/pp. 171-172; Laws of Wis., 1937, reg. sess., ch. 186, secs. 1-2/p. 311; Van Zandt, 131
Land and parcels
What the maps cover in Houston
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 16,634 parcels from Minnesota Geospatial Commons. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 16 October 2026 -
Address points Official
One point per address, 9,390 in all from Minnesota Geospatial Information Office (MnGeo), Minnesota Geospatial Commons.
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
Houston 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
Houston 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 Houston County.
See your own lot on these maps
Open Houston 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 Houston County
- When was Houston County founded?
- Houston County was founded in 1854, formed from Fillmore County, and named after Sam Houston.
- What is the county seat of Houston County?
- The county seat of Houston County is Caledonia.
- Is there an online parcel map for Houston County?
- Yes. Minnesota Geospatial Commons publishes a parcel map of 16,634 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Houston County's boundary or name changed?
- Houston County was created in 1854 from Fillmore County. Since then the Atlas of Historical County Boundaries records 1 later change, most of them small boundary adjustments.
- Is my lot in a flood zone?
- We do not have flood maps for Houston County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby