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County · code 38057

Mercer CountyNorth Dakota

Mercer County is in North Dakota and has its seat in Stanton.

  • Founded1875
  • County seatStanton
  • Named forWilliam Henry Harrison Mercer
  • Land area1,043 sq mi + 70 sq mi water
  • Population8,350 2020 Census
  • Parcels mapped6,606 checked 14 October 2026
Open the free map Click any parcel in Mercer County: acreage, parcel id, address and who publishes the map. No sign-in.

Updated

OliverMcLeanDunnMortonStark Stanton Census outline · seat marked

Where it is

Mercer 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.

Adams CountyBarnes CountyBenson CountyBillings CountyBottineau CountyBowman CountyBurke CountyBurleigh CountyCass CountyCavalier CountyDickey CountyDivide CountyDunn CountyEddy CountyEmmons CountyFoster CountyGolden Valley CountyGrand Forks CountyGrant CountyGriggs CountyHettinger CountyKidder CountyLaMoure CountyLogan CountyMcHenry CountyMcIntosh CountyMcKenzie CountyMcLean CountyMorton CountyMountrail CountyNelson CountyOliver CountyPembina CountyPierce CountyRamsey CountyRansom CountyRenville CountyRichland CountyRolette CountySargent CountySheridan CountySioux CountySlope CountyStark CountySteele CountyStutsman CountyTowner CountyTraill CountyWalsh CountyWard CountyWells CountyWilliams CountyMercer County Mercer
Counties of North Dakota · Mercer highlighted

History

Founded in 1875

An old deed may name a county that no longer exists, or a boundary that has since moved.

Mercer County was formed in 1875 and named after William Henry Harrison Mercer. The county became part of the state of North Dakota on November 2, 1889.

Boundary changes from the Newberry Library, Atlas of Historical County Boundaries.

  1. 1885
    Gained territory Mercer gained from Williams (original, extinct), lost to creation of Oliver.
    from Williamsfrom Oliver
    · Dak. Terr. Laws 1885, 16th sess., ch. 31, secs. 1-7/pp. 266-267; Hall, 207-208
  2. 1889
    Became part of North Dakota Mercer became a county in the state of North Dakota. · U.S. Stat., vol. 25, ch. 180[1889]/pp. 676-684 and vol. 26, no. 5/pp. 1548-1549; Swindler, 7:526-527; Van Zandt, 134
  3. 1891
    Changed Legislature authorized Mercer and Stark to gain all of Williams (original, extinct), dependent on a referendum to be held at the next general election (no change).
    StarkWilliams
    · N. Dak. Laws 1891, 2d sess., ch. 50, secs. 6-11/pp. 130-132; HRS N. Dak., Williams, 3-5; Hall, 226-229
  4. 1892
    Gained territory Mercer gained from Williams (original, extinct) and gained all of Non-County Area 21; Non-County Area 21 eliminated.
    from Williams
    · N. Dak. Laws 1891, 2d sess., ch. 50, secs. 1-5, 10-11/pp. 129-132; Hall, 224-229
  5. 1896
    Gained territory Mercer gained most of Non-County Area 23. Act was overturned by the North Dakota Supreme Court, 24 May 1901. · N. Dak. Laws 1895, 4th sess., ch. 25/pp. 21-23; Hall, 229-233
  6. 1901
    Lost territory Mercer lost to re-creation of Non-County Area 23 when the North Dakota Supreme Court overturned the act of 9 March 1899 and confirmed its decision of 18 May 1899 that overturned act of 3 November 1896. · "Henry B. Schaffner v. John Young," in N. Dak. Rpts., 10:245-254; Hall, 232-233
  7. 1903
    Changed Legislature authorized Mercer to gain part of Non-County Area 23; gain did not take effect (no change). · N. Dak. Laws 1903, 8th sess., ch. 68/p. 77; Hall, 233-236

Land and parcels

What the maps cover in Mercer

Who publishes each layer, how good it is, and when we last checked.

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

Mercer by the Census

Population
8,350 2020 Census count
Housing units
4,657 2020 Census count
Land area
1,043 square miles
Water area
70 square miles
People per sq mi
8 population ÷ land area

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.

Zoning and code

County government

See your own lot on these maps

Open Mercer 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.

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Questions

Common questions about Mercer County

When was Mercer County founded?
Mercer County was founded in 1875, and named after William Henry Harrison Mercer.
What is the county seat of Mercer County?
The county seat of Mercer County is Stanton.
Is there an online parcel map for Mercer County?
Yes. State of North Dakota GIS Hub (NDIT; State Parcel Program, counties as custodians) publishes a parcel map of 6,606 parcels, rated good enough here. You can click any parcel on it in Parcel Chart's free map, no sign-in needed.
Has Mercer County's boundary or name changed?
Atlas of Historical County Boundaries records 7 changes for Mercer County. Since then the Atlas of Historical County Boundaries records 6 later changes, chiefly involving Williams County, Oliver County and Stark County.
Is my lot in a flood zone?
We do not have flood maps for Mercer County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.

Nearby

Counties next door