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Adams County, Pennsylvania

Adams County profile, demographic data, and geographic information.

Adams County is a county located in Pennsylvania, United States of America. As of official census estimates, it has a reported population of 107,594. The land area covers 518.58 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Adams County
Official Title: Township Secretary
Address: 559 OLD US ROUTE 15, YORK SPRINGS PA 17372-9655

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 107,594 — 2025 / Census
Median Age 43.7 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 40,841 ±393 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 43,672 ±85
Occupied Housing Units 40,841 ±393
Vacant Housing Units 2,831 ±410
Median Home Value $268,500 ±$6,871
Median Gross Rent $1,115 ±$39
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $84,092 ±$2,436
Per Capita Income $40,973 ±$773
Poverty Rate 8.2% ±1%
Population Below Poverty Level 8,336 ±995
Unemployment Rate 3.4% ±0.5%
Civilian Labor Force, Employed 54,143 ±842
Broadband Internet Rate 90% ±0.8%
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 EISENHOWER NHS, PA US, located 4.5 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 39.6° 20.8° 30.2° 3.45" —
February 43.2° 22.3° 32.7° 2.73" —
March 52.2° 30.1° 41.2° 3.59" —
April 64.3° 39.7° 52.0° 3.42" —
May 73.3° 49.1° 61.2° 4.09" —
June 81.8° 57.4° 69.6° 4.74" —
July 86.2° 62.8° 74.5° 3.61" —
August 84.7° 60.8° 72.7° 4.13" —
September 77.8° 54.0° 65.9° 4.63" —
October 66.4° 42.6° 54.5° 3.71" —
November 55.5° 32.4° 43.9° 3.02" —
December 44.7° 26.0° 35.3° 3.34" —
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: 42001. • 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.