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Slope County, North Dakota

Slope County profile, demographic data, and geographic information.

Slope County is a county located in North Dakota, United States of America. As of official census estimates, it has a reported population of 628. The land area covers 1,215.26 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Slope County
Official Title: Auditor
Address: PO BOX NN, AMIDON ND 58620

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 628 — 2025 / Census
Median Age 54.1 yrs ±3.4 2020-2024 / Census ACS 5-Year 2024
Total Households 374 ±39 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 456 ±40
Occupied Housing Units 374 ±39
Vacant Housing Units 82 ±29
Median Home Value $170,000 ±$98,191
Median Gross Rent $525 ±$336
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $71,250 ±$16,084
Per Capita Income $47,169 ±$6,322
Poverty Rate 5% ±3%
Population Below Poverty Level 38 ±23
Unemployment Rate 2.7% ±2.4%
Civilian Labor Force, Employed 400 ±69
Broadband Internet Rate 78.1% ±7.7%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at BOWMAN, ND US, located 18.0 miles from Slope County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.3° 6.5° 16.4° 0.56" 7.6"
February 29.9° 8.8° 19.4° 0.62" 7.6"
March 40.8° 18.3° 29.6° 0.80" 7.4"
April 52.9° 28.5° 40.7° 1.56" 8.0"
May 64.0° 39.9° 52.0° 2.72" 1.9"
June 74.2° 50.0° 62.1° 3.10" 0.0"
July 82.7° 55.8° 69.2° 2.13" 0.0"
August 82.4° 53.5° 67.9° 1.41" 0.0"
September 72.1° 43.3° 57.7° 1.59" 0.0"
October 55.6° 30.5° 43.1° 1.56" 3.9"
November 40.7° 18.7° 29.7° 0.53" 5.4"
December 29.8° 9.7° 19.8° 0.50" 6.4"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 38087. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.