County · code 38037
Grant CountyNorth Dakota
Grant County is a county in North Dakota, founded in 1916, with its seat at Carson.
- Founded1916
- County seatCarson
- Named forUlysses S. Grant
- Land area1,659 sq mi + 6.8 sq mi water
- Population2,301 2020 Census
- Parcels mapped9,207 checked 15 October 2026
Where it is
Grant on the map of North Dakota
North Dakota has 53 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Formed in 1916 from Morton County
An old deed may name a county that no longer exists, or a boundary that has since moved.
Grant County was created from Morton County by vote, authorizing the creation with 3136 votes in favor and 1718 opposed. The county was fully organized by November 28, 1916.
- 1916Grant County created Grant created from Morton; vote authorizing this creation passed 3136 to 1718. Grant not fully organized, not attached. · Hall, 249
- 1916Changed Grant fully organized. · North Dakota Blue Book, 448
Land and parcels
What the maps cover in Grant
Who publishes each layer, how good it is, and when we last checked.
-
Parcels Good enough
Lot lines and tax-map numbers for 9,207 parcels from Grant County. 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, 2,307 in all from State of North Dakota — NDGISHUB / ND Department of Emergency Services (owner NDGISHDP-DES).
edited 12 October 2026 · 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
Grant 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
- Assessor and property records
Director of Tax Equalization
- Clerk of court: deeds and plats
Recorder/Clerk Of Court
Permits
- Health department: septic and well
Western Plains Public Health
- Building Permit Application
County government
- County government
The official website of Grant County.
See your own lot on these maps
Open Grant 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 Grant County
- When was Grant County founded?
- Grant County was founded in 1916, formed from Morton County, and named after Ulysses S. Grant.
- What is the county seat of Grant County?
- The county seat of Grant County is Carson.
- Is there an online parcel map for Grant County?
- Yes. Grant County publishes a parcel map of 9,207 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
- Has Grant County's boundary or name changed?
- Grant County was created in 1916 from Morton County. Since then the Atlas of Historical County Boundaries records 1 later change.
- Who issues building permits in Grant County?
- The county's page on building permits: Building Permit Application. Inside a city or town, ask that city first.
- Who issues septic and well permits in Grant County?
- The county's page on septic systems and wells: Western Plains Public Health.
- Is my lot in a flood zone?
- We do not have flood maps for Grant County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby