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Rockingham County, New Hampshire

Rockingham County profile, demographic data, and geographic information.

Rockingham County is a county located in New Hampshire, United States of America. As of official census estimates, it has a reported population of 324,077. The land area covers 695.55 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Rockingham County
Official Title: Executive Commissioner
Address: 119 NORTH RD, BRENTWOOD NH 03833-6628

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 324,077 — 2025 / Census
Median Age 45 yrs ±0.1 2020-2024 / Census ACS 5-Year 2024
Total Households 127,570 ±801 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 137,794 ±93
Occupied Housing Units 127,570 ±801
Vacant Housing Units 10,224 ±815
Median Home Value $497,500 ±$6,191
Median Gross Rent $1,687 ±$46
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $118,331 ±$2,820
Per Capita Income $61,558 ±$1,159
Poverty Rate 4.8% ±0.4%
Population Below Poverty Level 15,114 ±1,277
Unemployment Rate 3.6% ±0.4%
Civilian Labor Force, Employed 174,978 ±2,177
Broadband Internet Rate 95% ±0.5%
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 EPPING, NH US, located 3.0 miles from Rockingham County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 32.7° 14.3° 23.5° 3.15" 15.2"
February 35.5° 15.8° 25.6° 3.27" 13.9"
March 43.9° 24.0° 33.9° 4.23" 9.9"
April 56.8° 34.0° 45.4° 4.24" 2.8"
May 67.7° 44.4° 56.0° 3.76" 0.0"
June 76.4° 53.8° 65.1° 4.00" 0.0"
July 82.0° 59.4° 70.7° 3.46" 0.0"
August 80.8° 57.4° 69.1° 3.53" 0.0"
September 73.1° 49.8° 61.5° 3.96" 0.0"
October 60.7° 38.4° 49.5° 4.68" 0.1"
November 48.9° 29.9° 39.4° 3.74" 1.6"
December 37.9° 20.9° 29.4° 4.28" 13.1"
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: 33015. • 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.