• county
  • FIPS 36067
  • Largest town: Syracuse

Onondaga County, New York

Onondaga County had 469,812 residents in the Census Vintage 2024 estimate, on 778.4 square miles of land. It ranks 11th of 62 in New York by population and 27th by land area.

Population
469,812
#11 of 62 in New York · #157 in US
Area
778.4 sq mi
#27 of 62 in New York · #1,114 in US
Density
604 / sq mi
#14 of 62 in New York · #237 in US
Median household income
$74,388
#18 of 62 in New York · #709 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Onondaga County within New York. Pin: Albany.

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Onondaga County population, land area and income

Onondaga County had 469,812 residents in the Census Vintage 2024 estimate, on 778.4 square miles of land. It ranks 11th of 62 in New York by population and 27th by land area. That works out to 603.6 people per square mile, 6.3 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in New York has 85,936 residents, so Onondaga County is 5.5 times that size.

Its SAIPE 2023 median household income of $74,388 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

469,812

3144th1st

157th of 3,144 (US)

Land area

778 sq mi

3144th1st

1114th of 3,144 (US)

Density

603.6 / sq mi

3144th1st

237th of 3,144 (US)

Median household income

$74,388

3143rd1st

709th of 3,143 (US)

Rank within New York (62)

Population

469,812

62nd1st

11th of 62 (NY)

Land area

778 sq mi

62nd1st

27th of 62 (NY)

Density

603.6 / sq mi

62nd1st

14th of 62 (NY)

Median household income

$74,388

62nd1st

18th of 62 (NY)

How Onondaga County's population changed since 2020

Onondaga County lost 4,406 residents between the July 2020 and July 2024 estimates, a drop of 0.9%. That ranks 33rd of 62 in New York for growth. The median New York county changed by -0.8%, and the state as a whole by -1.2%.

Since the April 2020 estimates base, Onondaga County recorded 20,097 births and 20,871 deaths, a natural change of -774. Net international migration added +7,290 and net domestic migration, people moving to or from other US counties, came to -12,920. The largest single component was domestic migration, which removed 12,920 people.

474.2k2020472.0k2021470.4k2022469.2k2023469.8k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
20,097
Deaths
20,871
Net international migration
+7,290
Net domestic migration
-12,920
Change, July 2023 to July 2024
+586

Where Onondaga County is

The Census internal point of Onondaga County is at 43.006500, -76.196100. It sits in UTM zone 18N. The map shades New York's 62 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Onondaga County outlined. Dots are towns of 1,000+ people with residents in it.

Tompkins County: +5.8%Yates County: -1.3%Suffolk County: +0.9%Broome County: -0.9%Cortland County: -1.7%Fulton County: -2.0%Ulster County: +0.9%Rockland County: +3.2%Essex County: -1.5%Westchester County: +0.5%Niagara County: -1.2%Dutchess County: +1.4%Seneca County: -2.6%Onondaga County: -0.9%Tioga County: -1.6%Erie County: -0.2%Wayne County: -0.5%Delaware County: -0.1%Greene County: -1.8%Schenectady County: +1.9%Allegany County: -0.1%Rensselaer County: -0.1%Monroe County: -0.7%Warren County: -0.5%Livingston County: -0.1%Madison County: -1.3%Jefferson County: -2.5%Sullivan County: +2.5%Lewis County: +0.0%Oswego County: +0.7%Putnam County: +0.8%New York County: -1.1%Columbia County: -1.8%St. Lawrence County: -2.0%Schuyler County: -4.1%Franklin County: -0.3%Steuben County: -1.4%Cayuga County: -2.1%Oneida County: -1.2%Chemung County: -3.1%Herkimer County: -0.7%Schoharie County: +1.3%Cattaraugus County: -2.0%Chautauqua County: -2.6%Chenango County: -2.8%Hamilton County: +0.2%Orange County: +2.7%Washington County: -2.1%Ontario County: +0.6%Bronx County: -5.1%Wyoming County: -1.5%Clinton County: -2.3%Orleans County: -1.0%Montgomery County: +0.3%Nassau County: +0.1%Kings County: -3.6%Genesee County: -1.2%Otsego County: +3.7%Albany County: +1.9%Queens County: -3.1%Richmond County: +0.6%Saratoga County: +1.9%
Change 2020 to 2024
  1. < -2.0%
  2. < -1.2%
  3. < -0.2%
  4. < +0.7%
  5. ≥ +0.7%
no data

Orange pin: Onondaga County internal point. Dark pin: Albany.

Internal point

Decimal
43.006500, -76.196100
DMS
43°00'23.40"N 76°11'45.96"W
UTM
18N 402517.6E 4762230.7N
Geohash
dr9udj5en
Plus code
87M52R43+JH

Towns in Onondaga County

13 incorporated places of 1,000+ people have residents in Onondaga County, 191,514 people together, or 41% of the county. Each figure counts only the part of the town inside Onondaga County; towns marked "part" extend into another county. The largest is Syracuse with 146,097.

  1. 01Syracuse146,097
  2. 02Baldwinsville7,662
  3. 03North Syracuse6,761
  4. 04Solvay6,495
  5. 05Manlius4,611
  6. 06Fayetteville4,180
  7. 07Minoa3,657
  8. 08East Syracuse3,008
  9. 09Skaneateles2,530
  10. 10Liverpool2,257
  11. 11Marcellus1,774
  12. 12Camillus1,274
  13. 13Jordan1,208
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Onondaga County

The Census 2024 county adjacency file lists 4 neighbors for Onondaga County. The most populous is Oswego County, NY, with 118,305 residents. Distances run between Census internal points in a straight line.

Distance to Albany and the nearest big city

Albany is 126.0 miles E of Onondaga County's internal point in a straight line. The nearest place of 100,000 or more is Syracuse, NY (population 146,097), 3.5 miles away.

Onondaga County FIPS code

The FIPS code of Onondaga County is 36067: state code 36 for New York plus county code 067. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $74,388.

Questions people ask

What is the population of Onondaga County, New York?

The Census Vintage 2024 estimate for July 1, 2024 is 469,812. That is down 4,406 people (0.9%) from the July 2020 estimate of 474,218.

What is the FIPS code of Onondaga County?

36067. The first two digits (36) are New York; the last three (067) identify the county.

What is the largest town in Onondaga County?

Syracuse, with 146,097 residents inside Onondaga County in 2024.

Which counties border Onondaga County?

4 county-equivalents border it in the Census 2024 adjacency file: Oswego County, NY; Cayuga County, NY; Madison County, NY; Cortland County, NY.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.