County · code 46011
Brookings CountySouth Dakota
Brookings County is a county in South Dakota with its county seat in Brookings. It was formed in 1871 and named after Wilmot Brookings.
- Founded1871
- County seatBrookings
- Named forWilmot Brookings
- Land area792 sq mi + 13 sq mi water
- Population34,375 2020 Census
Where it is
Brookings on the map of South Dakota
South Dakota has 66 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1871
An old deed may name a county that no longer exists, or a boundary that has since moved.
The county lost territory on January 8, 1873, with the creation of Lake and Moody counties. Brookings became a county in the state of South Dakota on November 2, 1889.
- 1873
- 1889Became part of South Dakota Brookings became a county in the state of South Dakota. · U.S. Stat., vol. 25, ch. 180[1889]/pp. 676-684; U.S. Stat., vol. 26, no. 5/pp. 1548-1549; Swindler, 9:107-109; Van Zandt, 134
Land and parcels
What the maps cover in Brookings
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 Brookings County yet. Lot lines and owners of record are kept by the county (brookingscountysd.gov).
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Address points Missing
No public address points layer found for Brookings 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
Brookings 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.
Inside a city or town, permits usually come from that city rather than the county.
Records
Permits
Zoning and code
GIS and maps
County government
- County government
The official website of Brookings County.
See your own lot on these maps
Open Brookings 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 Brookings County
- When was Brookings County founded?
- Brookings County was founded in 1871, and named after Wilmot Brookings.
- What is the county seat of Brookings County?
- The county seat of Brookings County is Brookings.
- Is there an online parcel map for Brookings 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 Brookings County's boundary or name changed?
- Atlas of Historical County Boundaries records 2 changes for Brookings County. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Lake County and Moody County.
- Who issues building permits in Brookings County?
- The county's page on building permits: Permits & Forms. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Brookings County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby