County · code 31149
Rock CountyNebraska
Rock County is a county in Nebraska with its seat in Bassett, formed in 1888.
- Founded1888
- County seatBassett
- Land area1,008 sq mi + 3.4 sq mi water
- Population1,262 2020 Census
- Parcels mapped3,291 checked 15 October 2026
Where it is
Rock on the map of Nebraska
Nebraska has 93 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1888 from Brown County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Rock County was created from Brown County on November 6, 1888, by vote of electors.
- 1888Rock County created Rock created from Brown by vote of electors. · Neb. Comp. Stats., 4th ed., 1889, ch.17, sec. 66a/p. 338; Neb. Rev. Stats. Anno., 1999, vol. 4C, 22-175/pp. 22-23
Land and parcels
What the maps cover in Rock
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 3,291 parcels. Drawn for tax purposes: usually within a few feet of a survey, but not a survey.
checked 15 October 2026 -
Address points Official
One point per address, 1,370 in all from Nebraska Public Service Commission (PSC), 911 Department.
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
Rock 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.
Permits
County government
- County government
The official website of Rock County.
See your own lot on these maps
Open Rock 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 Rock County
- When was Rock County founded?
- Rock County was founded in 1888, formed from Brown County.
- What is the county seat of Rock County?
- The county seat of Rock County is Bassett.
- Is there an online parcel map for Rock County?
- Yes. A public source publishes a parcel map of 3,291 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Rock County's boundary or name changed?
- Rock County was created in 1888 from Brown County. The Atlas of Historical County Boundaries records no boundary change since.
- Who issues building permits in Rock County?
- The county's page on building permits: Firearm Purchase Permits. Inside a city or town, ask that city first.
- Is my lot in a flood zone?
- We do not have flood maps for Rock County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby