County · New York
Onondaga County, New York
Onondaga County, New York. Onondaga County had 466,584 residents in 2025 by the Census Bureau's estimate, down 2.1% since 2020, a steeper fall than New York's (−1.0%). It holds 48 places (16 cities, villages and boroughs, 19 towns and townships and 13 census-designated) and 142 census tracts. GEOID 36067.
Onondaga County is one of the 3 counties of the Syracuse, NY metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
466,584
Census Bureau estimate (no margin published)
2020 Census count: 476,516 · ACS 2020-2024: 471,129
Median household income
$76,945
±$1,228 (90% margin)
New York: $85,974
Median home value
$200,200
±$3,012 (90% margin)
New York: $423,800
Median gross rent
$1,108
±$12 (90% margin)
New York: $1,621
How many people live in Onondaga County, and is it growing?
The 2020 Census counted 476,516 residents in Onondaga County. The Census Bureau estimates 466,584 for July 1, 2025, down 2.1% since 2020, a steeper fall than New York's (−1.0%). The 2020-2024 American Community Survey puts the population at 471,129 over 778 square miles of land.
| Measure | Onondaga County | New York | Change since 2015-2019 |
|---|---|---|---|
| Total population | 471,129 | 19,852,366 | +8,257 |
| Households | 197,760±1,030 | 7,722,646 | +12,436 |
| Average household size | 2.26±0.01 | 2.49 | −0.13 |
| Housing units | 212,002±356 | 8,585,241 | +3,626 |
Onondaga County's population since 2000
From 458,336 in 2000 to 466,584 in 2025: up 1.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Onondaga County?
Onondaga County holds 48 places: 16 cities, villages and boroughs (incorporated places), 19 towns and townships (county subdivisions with their own government) and 13 census-designated places. The largest is Syracuse with 144,896 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Syracuse | 148,620 | $47,819 |
|---|---|---|
| Clay (town) | 60,527 | $90,707 |
| Manlius (town) | 33,712 | $113,449 |
| Salina (town) | 33,223 | $72,474 |
| Cicero (town) | 31,435 | $96,463 |
| De Witt (town) | 26,074 | $92,218 |
| Camillus (town) | 25,346 | $85,915 |
| Lysander (town) | 23,074 | $107,984 |
| Onondaga (town) | 22,937 | $104,448 |
| Geddes (town) | 17,088 | $76,839 |
| Van Buren (town) | 14,367 | $73,779 |
| De Witt | 11,247 | $123,864 |
| Fairmount | 10,248 | $84,225 |
| Baldwinsville | 7,898 | $77,241 |
| Skaneateles (town) | 7,112 | $103,545 |
| Pompey (town) | 7,080 | $111,000 |
| Radisson | 7,038 | $89,297 |
| North Syracuse | 6,739 | $71,026 |
| Solvay | 6,645 | $61,166 |
| Mattydale | 6,296 | $66,940 |
| Marcellus (town) | 6,066 | $94,112 |
| Elbridge (town) | 5,476 | $76,479 |
| Westvale | 5,090 | $98,542 |
| LaFayette (town) | 4,910 | $113,750 |
| Manlius | 4,662 | $69,942 |
| Galeville | 4,482 | $65,352 |
| Lyncourt | 4,376 | $65,269 |
| Fayetteville | 4,225 | $127,559 |
| Village Green | 3,834 | $53,836 |
| Minoa | 3,657 | $95,506 |
| Brewerton | 3,907 | $82,813 |
| East Syracuse | 3,078 | $62,143 |
| Tully (town) | 2,676 | $108,529 |
| Lakeland | 2,556 | $91,563 |
| Skaneateles | 2,533 | $125,625 |
| Otisco (town) | 2,368 | $83,950 |
| Liverpool | 2,242 | $86,932 |
| Nedrow | 2,095 | $70,489 |
| Fabius (town) | 2,006 | $94,063 |
| Seneca KnollsGEOID 3666366 | 1,992 | $59,750 |
| Marcellus | 1,745 | $69,407 |
| Spafford (town) | 1,588 | $111,138 |
| Camillus | 1,222 | $50,000 |
| Jordan | 1,192 | $76,588 |
| Bridgeport | 1,389 | $51,719 |
| Elbridge | 921 | $64,462 |
| Tully | 904 | $76,058 |
| Fabius | 309 | $67,434 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Onondaga County?
The median resident of Onondaga County is 39.6 years old; 20.9% are under 18 and 18.7% are 65 or older. The largest group is non-Hispanic white residents at 73.8%, then non-Hispanic Black residents at 10.2%. 7.9% of residents were born outside the United States.
| Measure | Onondaga County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median age | 39.6±0.2 | 39.8 | +0.5 |
| Under 18 years | 20.9%±0.1 pts | 20.5% | – |
| 65 years and over | 18.7%±0.1 pts | 17.9% | – |
| Hispanic or Latino (any race) | 5.9% | 19.8% | +1.0 pts |
| White alone, not Hispanic | 73.8%±0.2 pts | 52.8% | −3.0 pts |
| Black or African American alone, not Hispanic | 10.2%±0.3 pts | 13.4% | −0.6 pts |
| Asian alone, not Hispanic | 4.1%±0.1 pts | 9.0% | +0.4 pts |
| American Indian and Alaska Native alone, not Hispanic | 0.3%±0.1 pts | 0.2% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.0% | – |
| Two or more races, not Hispanic | 5.2%±0.4 pts | 3.8% | – |
| Some other race alone, not Hispanic | 0.5%±0.1 pts | 1.0% | – |
| Born outside the United States | 7.9%±0.4 pts | 22.8% | no clear change |
| Speak a language other than English at home (age 5+) | 11.3%±0.5 pts | 30.9% | – |
| Civilian veterans (age 18+) | 5.5%±0.2 pts | 3.7% | – |
| With a disability | 14.0%±0.4 pts | 12.6% | – |
| No health insurance coverage | 3.3%±0.3 pts | 5.1% | −0.4 pts |
| High school graduate or higher (age 25+) | 91.8%±0.4 pts | 88.0% | – |
| Bachelor's degree or higher (age 25+) | 39.2%±0.7 pts | 40.2% | +3.3 pts |
| Graduate or professional degree (age 25+) | 17.6%±0.6 pts | 17.9% | – |
| Moved from another state in the past year | 2.6%±0.2 pts | 1.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Onondaga County earn?
Half of Onondaga County's 197,760 households earn less than $76,945 a year (±$1,228), against $85,974 in New York. In 2015-2019 it was $75,514 in 2024 dollars; the margins of error cannot tell the two periods apart. 13.8% of residents live below the poverty line.
| Measure | Onondaga County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $76,945±$1,228 | $85,974 | no clear change |
| Mean household income | $102,088±$1,576 | $128,247 | – |
| Per capita income | $43,166±$662 | $50,712 | +$1,320 |
| People below the poverty line | 13.8%±0.5 pts | 14.0% | no clear change |
| Children under 18 below the poverty line | 20.6%±1.4 pts | 18.3% | no clear change |
| Households receiving SNAP | 14.4%±0.6 pts | 15.6% | – |
| Households with a broadband subscription | 91.6%±0.5 pts | 90.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Onondaga County?
Owners occupy 65.9% of Onondaga County's occupied homes and renters 34.1%. The median owner-occupied home is valued at $200,200 by its owner (±$3,012). The median renter pays $1,108 a month including utilities, and 41.4% of renters pay 35% or more of their income on rent.
| Measure | Onondaga County | New York | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $200,200±$3,012 | $423,800 | +$21,257 |
| Median gross rent | $1,108±$12 | $1,621 | +$35 |
| Renters paying 35% or more of income on rent | 41.4%±1.9 pts | 43.1% | no clear change |
| Median monthly owner costs, with a mortgage | $1,641±$19 | $2,555 | – |
| Owner-occupied homes | 65.9%±0.8 pts | 54.3% | +1.2 pts |
| Housing units | 212,002±356 | 8,585,241 | +3,626 |
| Homeowner vacancy rate | 0.8%±0.2 pts | 1.1% | – |
| Rental vacancy rate | 3.4%±0.6 pts | 3.8% | – |
| Single-family detached homes | 63.7%±0.7 pts | 41.2% | – |
| Mobile homes | 1.1%±0.2 pts | 2.1% | – |
| Built 2020 or later | 0.5%±0.1 pts | 0.8% | – |
| Built 1939 or earlier | 22.6%±0.6 pts | 30.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Onondaga County building?
Builders took permits for 1,701 new housing units across Onondaga County in 2025 (364 single-family), 3.6 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Onondaga County get to work?
71.7% of Onondaga County's workers drive alone and 13.1% work from home. The average trip to work takes 20.2 minutes. The unemployment rate in 2020-2024 averaged 5.2%.
| Measure | Onondaga County | New York | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 62.4%±0.5 pts | 62.7% | – |
| Unemployment rate | 5.2%±0.4 pts | 6.4% | no clear change |
| Drove alone to work | 71.7%±0.7 pts | 48.8% | – |
| Carpooled | 7.6%±0.5 pts | 6.3% | – |
| Public transportation | 2.1%±0.3 pts | 21.6% | – |
| Walked | 3.6%±0.4 pts | 5.6% | – |
| Worked from home | 13.1%±0.5 pts | 14.9% | +8.7 pts |
| Mean travel time to work | 20.2 min±0.4 | 32.6 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Onondaga County's census tracts?
Onondaga County is divided into 142 census tracts. Among those with a reliable estimate, median household income runs from $17,765 (Tract 42) to $156,944 (Tract 147).
All 142 census tracts of Onondaga County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Onondaga County compare with New York's other counties?
| Measure | Rank |
|---|---|
| Population | 11th of 62 |
| Growth 2020-2025 | 44th of 62 |
| Residents per square mile | 13th of 62 |
| Median household income | 21st of 62 |
| Median home value | 28th of 62 |
| Median gross rent | 23rd of 62 |
| Poverty rate | 21st of 62 |
| Bachelor's degree or higher | 14th of 62 |
| Median age | 48th of 62 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Onondaga County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.