County · code 46069
Hyde CountySouth Dakota
Hyde County is a county in South Dakota, with its seat in Highmore. The county was formed in 1873.
- Founded1873
- County seatHighmore
- Land area861 sq mi + 5.6 sq mi water
- Population1,262 2020 Census
Where it is
Hyde 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 1873
An old deed may name a county that no longer exists, or a boundary that has since moved.
Hyde County was established in Dakota Territory in 1873 and became a county in the state of South Dakota on November 2, 1889. On February 27, 1883, Hyde County gained all of Non-County Area 11, which was then eliminated.
- 1883Gained territory Hyde gained all of Non-County Area 11; Non-County Area 11 eliminated. · Dak. Terr. Laws 1883, 15th sess., ch. 21/p. 33
- 1889Became part of South Dakota Hyde 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 Hyde
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 Hyde County yet. Lot lines and owners of record are kept by the county (hydeco.org).
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Address points Missing
No public address points layer found for Hyde 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
Hyde 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
Hyde 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 Hyde County.
See your own lot on these maps
Open Hyde 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 Hyde County
- When was Hyde County founded?
- Hyde County was founded in 1873.
- What is the county seat of Hyde County?
- The county seat of Hyde County is Highmore.
- Is there an online parcel map for Hyde 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 Hyde County's boundary or name changed?
- Atlas of Historical County Boundaries records 2 changes for Hyde County. Since then the Atlas of Historical County Boundaries records 2 later changes.
- Is my lot in a flood zone?
- We do not have flood maps for Hyde County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby