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Adams County, Colorado

Adams County profile, demographic data, and geographic information.

Adams County is a county located in Colorado, United States of America. As of official census estimates, it has a reported population of 554,668. The land area covers 1,166.80 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Adams County
Official Title: Senior Accountant
Address: 4430 SOUTH ADAMS COUNTY PARKWAY, SUITE C4000A, BRIGHTON CO 80601

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 554,668 — 2025 / Census
Median Age 34.8 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 188,730 ±791 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 195,793 ±113
Occupied Housing Units 188,730 ±791
Vacant Housing Units 7,063 ±781
Median Home Value $484,200 ±$3,903
Median Gross Rent $1,781 ±$21
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $94,571 ±$1,524
Per Capita Income $42,206 ±$661
Poverty Rate 9.8% ±0.6%
Population Below Poverty Level 51,582 ±3,254
Unemployment Rate 4.6% ±0.4%
Civilian Labor Force, Employed 284,099 ±2,491
Broadband Internet Rate 92.9% ±0.6%
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 BYERS 5 ENE, CO US, located 14.2 miles from Adams County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 42.3° 14.2° 28.3° 0.45" 6.1"
February 44.6° 15.8° 30.2° 0.52" 6.3"
March 54.3° 24.7° 39.5° 1.21" 7.3"
April 61.2° 31.5° 46.3° 1.82" 5.5"
May 70.5° 41.5° 56.0° 2.46" 0.7"
June 82.9° 50.9° 66.9° 1.98" 0.0"
July 89.5° 57.4° 73.4° 2.56" 0.0"
August 87.0° 55.6° 71.3° 1.99" 0.0"
September 79.3° 46.5° 62.9° 1.20" 0.9"
October 65.2° 33.2° 49.2° 0.98" 3.8"
November 52.5° 22.2° 37.3° 0.67" 5.9"
December 42.5° 13.8° 28.1° 0.45" 6.2"
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: 08001. • 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.