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Aroostook County, Maine

Aroostook County profile, demographic data, and geographic information.

Aroostook County is a county located in Maine, United States of America. As of official census estimates, it has a reported population of 66,609. The land area covers 6,671.22 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Aroostook County
Official Title: Deputy Treasurer
Address: 144 SWEDEN ST, STE 1, CARIBOU ME 04736-2137

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 66,609 — 2025 / Census
Median Age 48.3 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 29,932 ±483 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 38,450 ±135
Occupied Housing Units 29,932 ±483
Vacant Housing Units 8,518 ±445
Median Home Value $149,700 ±$6,059
Median Gross Rent $784 ±$37
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $56,700 ±$1,809
Per Capita Income $34,879 ±$1,464
Poverty Rate 14.4% ±1.2%
Population Below Poverty Level 9,399 ±813
Unemployment Rate 5.3% ±1.2%
Civilian Labor Force, Employed 29,041 ±758
Broadband Internet Rate 84.3% ±1.5%
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 PRESQUE ISLE, ME US, located 28.9 miles from Aroostook County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 22.3° 3.3° 12.8° 2.53" 21.1"
February 25.9° 5.3° 15.6° 1.92" 21.7"
March 35.7° 16.0° 25.9° 2.35" 19.0"
April 49.6° 29.3° 39.5° 2.79" 6.3"
May 65.2° 41.3° 53.2° 3.29" 0.2"
June 73.7° 50.4° 62.0° 3.81" 0.0"
July 78.5° 56.3° 67.4° 3.66" 0.0"
August 77.3° 54.5° 65.9° 3.81" 0.0"
September 69.1° 46.8° 58.0° 3.51" 0.2"
October 54.5° 36.3° 45.4° 4.16" 1.2"
November 40.0° 26.0° 33.0° 3.06" 6.1"
December 28.2° 12.5° 20.4° 3.16" 21.7"
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: 23003. • 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.