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Alamosa County, Colorado

Alamosa County profile, demographic data, and geographic information.

Alamosa County is a county located in Colorado, United States of America. As of official census estimates, it has a reported population of 16,688. The land area covers 722.65 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Alamosa County
Official Title: Chairman
Address: PO BOX 178, ALAMOSA CO 81101-0178

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 16,688 — 2025 / Census
Median Age 33.2 yrs ±1 2020-2024 / Census ACS 5-Year 2024
Total Households 6,648 ±174 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 7,241 ±45
Occupied Housing Units 6,648 ±174
Vacant Housing Units 593 ±170
Median Home Value $239,100 ±$21,277
Median Gross Rent $907 ±$85
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $55,397 ±$4,512
Per Capita Income $29,946 ±$2,532
Poverty Rate 17.2% ±3.6%
Population Below Poverty Level 2,706 ±570
Unemployment Rate 3.7% ±1.5%
Civilian Labor Force, Employed 8,022 ±391
Broadband Internet Rate 91.8% ±3.1%
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 ALAMOSA 1E, CO US, located 7.8 miles from Alamosa County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.3° -0.4° 17.4° 0.39" 6.9"
February 42.6° 7.0° 24.8° 0.26" 4.2"
March 52.8° 17.1° 35.0° 0.46" 4.3"
April 59.4° 25.5° 42.4° 0.53" 4.5"
May 69.2° 33.9° 51.6° 0.65" 0.8"
June 79.4° 41.7° 60.6° 0.26" 0.0"
July 82.9° 47.7° 65.3° 1.16" 0.0"
August 80.4° 45.1° 62.7° 1.43" 0.0"
September 74.9° 37.1° 56.0° 0.94" 0.0"
October 64.1° 25.2° 44.6° 0.59" 2.0"
November 50.5° 12.6° 31.5° 0.36" 3.1"
December 37.3° 1.6° 19.5° 0.23" 4.2"
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: 08003. • 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.