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Hunterdon County, New Jersey

Hunterdon County profile, demographic data, and geographic information.

Hunterdon County is a county located in New Jersey, United States of America. As of official census estimates, it has a reported population of 131,781. The land area covers 427.83 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Hunterdon County
Official Title: Director
Address: 71 MAIN ST, BLDG 1, FLEMINGTON NJ 08822-1451

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 131,781 — 2025 / Census
Median Age 46.1 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 50,860 ±274 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 52,115 ±104
Occupied Housing Units 50,860 ±274
Vacant Housing Units 1,255 ±252
Median Home Value $517,200 ±$12,844
Median Gross Rent $1,687 ±$51
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $141,715 ±$3,618
Per Capita Income $72,227 ±$2,148
Poverty Rate 4% ±0.5%
Population Below Poverty Level 5,113 ±649
Unemployment Rate 4.6% ±0.6%
Civilian Labor Force, Employed 67,284 ±1,247
Broadband Internet Rate 94.6% ±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 FLEMINGTON 5 NNW, NJ US, located 1.7 miles from Hunterdon County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 37.8° 20.6° 29.2° 3.93" 6.2"
February 40.9° 21.8° 31.3° 3.11" 9.4"
March 49.6° 29.0° 39.3° 4.52" 5.7"
April 62.5° 38.7° 50.6° 4.14" 0.9"
May 72.4° 48.6° 60.5° 4.28" 0.0"
June 80.9° 58.0° 69.5° 4.77" 0.0"
July 85.9° 63.3° 74.6° 4.94" 0.0"
August 84.1° 61.4° 72.7° 4.24" 0.0"
September 77.4° 54.0° 65.7° 4.39" 0.0"
October 65.0° 42.3° 53.6° 4.46" 0.0"
November 53.3° 33.2° 43.2° 3.50" 0.4"
December 42.8° 26.2° 34.5° 4.66" 4.5"
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: 34019. • 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.