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Penobscot County, Maine

Penobscot County profile, demographic data, and geographic information.

Penobscot County is a county located in Maine, United States of America. As of official census estimates, it has a reported population of 157,967. The land area covers 3,397.04 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Penobscot County
Official Title: Finance Director
Address: 97 HAMMOND ST, BANGOR ME 04401-4996

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 157,967 — 2025 / Census
Median Age 42.5 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 65,221 ±625 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 75,683 ±107
Occupied Housing Units 65,221 ±625
Vacant Housing Units 10,462 ±636
Median Home Value $214,100 ±$4,463
Median Gross Rent $1,041 ±$28
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $66,356 ±$1,898
Per Capita Income $37,915 ±$990
Poverty Rate 14.1% ±1%
Population Below Poverty Level 20,788 ±1,474
Unemployment Rate 3.6% ±0.5%
Civilian Labor Force, Employed 75,342 ±1,233
Broadband Internet Rate 88.8% ±0.9%
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 LINCOLN SANITARY DISTRICT/WTP, ME US, located 8.1 miles from Penobscot County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 25.6° 3.4° 14.5° 3.46" —
February 29.1° 4.8° 16.9° 2.38" —
March 38.2° 17.0° 27.6° 3.52" —
April 51.7° 30.4° 41.0° 3.58" —
May 65.5° 43.0° 54.3° 3.72" —
June 74.0° 52.5° 63.2° 4.07" —
July 79.3° 58.8° 69.0° 3.37" —
August 77.7° 56.5° 67.1° 3.61" —
September 69.5° 47.6° 58.5° 3.43" —
October 56.5° 36.7° 46.6° 4.73" —
November 43.5° 27.2° 35.4° 4.17" —
December 31.5° 14.8° 23.1° 4.23" —
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: 23019. • 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.