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Gregory County, South Dakota

Gregory County profile, demographic data, and geographic information.

Gregory County is a county located in South Dakota, United States of America. As of official census estimates, it has a reported population of 4,037. The land area covers 1,014.95 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Gregory County
Official Title: Gregory County Auditor
Address: PO BOX 437, BURKE SD 57523-0437

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 4,037 — 2025 / Census
Median Age 44.7 yrs ±0.9 2020-2024 / Census ACS 5-Year 2024
Total Households 1,609 ±111 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 2,188 ±49
Occupied Housing Units 1,609 ±111
Vacant Housing Units 579 ±92
Median Home Value $139,900 ±$19,987
Median Gross Rent $614 ±$62
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $62,917 ±$8,637
Per Capita Income $35,917 ±$3,298
Poverty Rate 9.5% ±2.5%
Population Below Poverty Level 376 ±99
Unemployment Rate 2.3% ±1.4%
Civilian Labor Force, Employed 1,963 ±99
Broadband Internet Rate 82.3% ±3.2%
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 GREGORY, SD US, located 12.2 miles from Gregory County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.6° 10.1° 20.9° 0.55" 6.8"
February 35.9° 13.1° 24.5° 0.75" 8.5"
March 46.8° 22.5° 34.7° 1.34" 5.3"
April 57.6° 33.3° 45.4° 3.12" 5.4"
May 68.8° 45.0° 56.9° 4.13" 0.0"
June 79.6° 55.9° 67.8° 4.18" 0.0"
July 86.6° 61.7° 74.2° 2.99" 0.0"
August 84.7° 59.3° 72.0° 3.14" 0.0"
September 76.7° 49.6° 63.1° 2.41" 0.0"
October 61.6° 35.7° 48.7° 2.36" 1.7"
November 46.8° 23.0° 34.9° 0.95" 6.9"
December 34.5° 13.8° 24.2° 0.74" 10.4"
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: 46053. • 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.