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Fairfax city, Virginia

Fairfax city profile, demographic data, and geographic information.

Fairfax city is a county located in Virginia, United States of America. As of official census estimates, it has a reported population of 26,772. The land area covers 6.24 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 26,772 — 2025 / Census
Median Age 36.6 yrs ±0.9 2020-2024 / Census ACS 5-Year 2024
Total Households 9,155 ±117 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 9,313 ±23
Occupied Housing Units 9,155 ±117
Vacant Housing Units 158 ±113
Median Home Value $722,600 ±$27,332
Median Gross Rent $2,245 ±$107
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $132,348 ±$10,015
Per Capita Income $63,647 ±$4,026
Poverty Rate 9.1% ±1.9%
Population Below Poverty Level 2,211 ±455
Unemployment Rate 3.3% ±1.1%
Civilian Labor Force, Employed 13,260 ±385
Broadband Internet Rate 96.7% ±1.7%
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 VIENNA, VA US, located 2.7 miles from Fairfax city. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 42.3° 23.4° 32.9° 3.28" 6.5"
February 45.3° 24.3° 34.8° 2.62" 7.5"
March 53.3° 31.6° 42.4° 3.84" 2.0"
April 64.8° 41.2° 53.0° 3.39" 0.0"
May 71.6° 52.1° 61.9° 4.28" 0.0"
June 79.5° 61.0° 70.2° 4.13" 0.0"
July 83.8° 66.6° 75.2° 4.26" 0.0"
August 82.4° 64.9° 73.6° 3.54" 0.0"
September 75.9° 57.1° 66.5° 4.16" 0.0"
October 65.4° 45.2° 55.3° 3.51" 0.0"
November 55.8° 34.6° 45.2° 3.13" 0.1"
December 46.2° 28.3° 37.2° 3.43" 2.4"
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: 51600. • 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.