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McPherson County, South Dakota

McPherson County profile, demographic data, and geographic information.

McPherson County is a county located in South Dakota, United States of America. As of official census estimates, it has a reported population of 2,347. The land area covers 1,136.67 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Mcpherson County
Official Title: Auditor
Address: PO BOX 390, LEOLA SD 57456-0390

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 2,347 — 2025 / Census
Median Age 50 yrs ±7.8 2020-2024 / Census ACS 5-Year 2024
Total Households 915 ±67 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 1,205 ±80
Occupied Housing Units 915 ±67
Vacant Housing Units 290 ±69
Median Home Value $85,600 ±$12,225
Median Gross Rent $594 ±$96
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,906 ±$7,668
Per Capita Income $46,476 ±$7,370
Poverty Rate 12.9% ±4.8%
Population Below Poverty Level 257 ±97
Unemployment Rate 1.1% ±2.1%
Civilian Labor Force, Employed 1,010 ±86
Broadband Internet Rate 80% ±3.6%
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 ABERDEEN 35 WNW, SD US, located 9.3 miles from McPherson County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 20.8° 3.5° 12.2° 0.50" —
February 24.3° 6.5° 15.4° 0.52" —
March 37.8° 17.8° 27.8° 1.40" —
April 53.4° 30.8° 42.1° 1.65" —
May 66.2° 42.7° 54.4° 2.92" —
June 74.6° 53.3° 63.9° 3.30" —
July 80.8° 58.3° 69.5° 2.96" —
August 79.4° 56.3° 67.8° 2.06" —
September 71.0° 47.1° 59.1° 2.00" —
October 54.9° 33.3° 44.1° 1.57" —
November 38.5° 20.2° 29.3° 0.45" —
December 25.3° 9.2° 17.2° 0.55" —
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: 46089. • 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.