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Onondaga County, New York

Onondaga County profile, demographic data, and geographic information.

Onondaga County is a county located in New York, United States of America. As of official census estimates, it has a reported population of 466,584. The land area covers 778.39 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Onondaga County
Official Title: County Executive
Address: 421 MONTGOMERY ST, SYRACUSE NY 13202-1495

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 466,584 — 2025 / Census
Median Age 39.6 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 197,760 ±1,030 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 212,002 ±356
Occupied Housing Units 197,760 ±1,030
Vacant Housing Units 14,242 ±873
Median Home Value $200,200 ±$3,012
Median Gross Rent $1,108 ±$12
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $76,945 ±$1,228
Per Capita Income $43,166 ±$662
Poverty Rate 13.8% ±0.5%
Population Below Poverty Level 62,038 ±2,357
Unemployment Rate 5.2% ±0.4%
Civilian Labor Force, Employed 226,402 ±2,044
Broadband Internet Rate 91.6% ±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 SYRACUSE HANCOCK INTL AP, NY US, located 8.6 miles from Onondaga County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 31.7° 16.5° 24.1° 2.58" 34.0"
February 33.6° 17.5° 25.5° 2.46" 30.3"
March 42.4° 25.2° 33.8° 3.04" 19.8"
April 56.4° 36.2° 46.3° 3.48" 3.0"
May 69.2° 47.3° 58.2° 3.42" 0.1"
June 77.3° 56.7° 67.0° 3.56" 0.0"
July 81.7° 62.0° 71.8° 3.86" 0.0"
August 80.3° 60.4° 70.4° 3.70" 0.0"
September 73.1° 52.7° 62.9° 3.38" 0.0"
October 60.1° 42.4° 51.3° 3.89" 0.2"
November 48.3° 32.7° 40.5° 3.23" 9.8"
December 37.1° 23.7° 30.4° 3.28" 30.6"
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: 36067. • 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.