Skip to main content

Lyon County, Kansas

Lyon County profile, demographic data, and geographic information.

Lyon County is a county located in Kansas, United States of America. As of official census estimates, it has a reported population of 32,266. The land area covers 847.48 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Lyon County
Official Title: Chairman
Address: 430 COMMERCIAL ST, EMPORIA KS 66801

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 32,266 — 2025 / Census
Median Age 33.1 yrs ±0.6 2020-2024 / Census ACS 5-Year 2024
Total Households 13,481 ±302 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 15,027 ±76
Occupied Housing Units 13,481 ±302
Vacant Housing Units 1,546 ±287
Median Home Value $150,600 ±$7,373
Median Gross Rent $817 ±$34
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $59,912 ±$4,163
Per Capita Income $30,158 ±$1,212
Poverty Rate 14.6% ±2%
Population Below Poverty Level 4,564 ±612
Unemployment Rate 2% ±0.7%
Civilian Labor Force, Employed 17,457 ±530
Broadband Internet Rate 89.2% ±2.3%
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 EMPORIA 3 NW, KS US, located 3.6 miles from Lyon County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 39.3° 18.2° 28.8° 0.80" —
February 44.3° 21.8° 33.1° 1.21" —
March 55.2° 31.0° 43.1° 2.30" —
April 64.8° 40.9° 52.9° 3.40" —
May 73.8° 52.2° 63.0° 5.39" —
June 83.5° 62.2° 72.9° 4.83" —
July 88.5° 66.8° 77.7° 4.61" —
August 87.3° 64.6° 76.0° 4.05" —
September 79.4° 55.7° 67.6° 3.21" —
October 67.6° 43.5° 55.6° 2.89" —
November 54.0° 31.5° 42.7° 1.77" —
December 42.5° 22.4° 32.5° 1.36" —
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: 20111. • 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.