Oswego County, New York Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 24th-largest in New York
The population of Oswego County, New York is 117,945 as of the 2023 American Community Survey, making it the 24th-largest county in New York. The median household income is $68,461, the median home value is $139,600, and the median age is 40.6.
The population of Oswego County has declined 3.1% since 2010 (122,141 → 118,305), a -0.23% annualized rate.
117,945
Population
-0.23%
Annual growth
124
People / sq mi
$68,461
Median Income
$139,600
Median Home Value
Oswego County covers 952 sq mi of land at 123.9 people per square mile.
About Oswego County, NY
Oswego County is a county in New York with a population of 117,945. It ranks #24 among counties in New York by population. The median age is 40.6, older than the national median. The population is 50.2% male and 49.8% female.
The median household income in Oswego County is $68,461, below the US median of $74,580. 11.2% of residents live below the federal poverty level. Home values sit at a median of $139,600, with monthly rent averaging $943. The homeownership rate of 73.9% is higher than the national rate of 64.8%.
Educational attainment in Oswego County reflects 21.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 7.8% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.2 minutes each way.
Oswego County Population History (2010-2024)
The county of Oswego County had a population of 122,141 in 2010 and 118,305 in 2024, a -3.1% growth over 14 years. The peak was 122,141 in 2010. Average annual growth rate: -0.23%.
118,305
Population (2024)
122,141
Population (2010)
122,141
Peak (2010)
-0.23%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 122,141 |
| 2011 | 121,987 |
| 2012 | 121,469 |
| 2013 | 121,187 |
| 2014 | 120,611 |
| 2015 | 119,764 |
| 2016 | 118,907 |
| 2017 | 118,444 |
| 2018 | 117,520 |
| 2019 | 116,934 |
| 2020 | 117,450 |
| 2021 | 118,010 |
| 2022 | 118,110 |
| 2023 | 117,889 |
| 2024 | 118,305 |
Race & Ethnicity
| White | 92.8% |
| Black or African American | 1.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
40.6
Median Age
49.8%
Female
50.2%
Male
17.5%
Age 65+
Age Distribution
Children (under 15): 17.0% · Seniors (65+): 17.5%
Income & Poverty
| Median household income | $68,461$-16,117 vs state |
| Mean household income | $88,158 |
| Per-capita income | $35,222 |
| Poverty rate | 11.2%+1.4% vs state |
| Unemployment rate | 4.1% |
| Employment-to-population | 55.8% |
Top Industries by Employment
The largest employment sector in Oswego County is professional & business services, accounting for 24.9% of workers.
How residents commute
0.6%
Drive alone
3.1%
Carpool
78.8%
Public transit
7.8%
Work from home
25.2 min
Avg commute
Housing
$139,600$-263,400 vs state
Median home value
$943
Median rent
73.9%
Homeownership rate
54,697
Total housing units
86.2%
Occupied
13.8%
Vacant
26.1%
Renter-occupied
Social & access
95.6%
With health insurance
93.5%
With broadband internet
11.2%
Foreign-born
8.3%
Veterans (18+)
15.4%
With a disability
95.9%
Speak language other than English at home
Education
90.0%
High School+
21.9%
Bachelor's+
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County rankings
Frequently Asked Questions
Oswego County, New York has a population of 117,945 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 24th-largest county in New York. Population density is 124 people per square mile.
The population of Oswego County has declined 3.1% since 2010 (122,141 → 118,305), a -0.23% annualized rate.
The median household income in Oswego County, New York is $68,461, with mean (average) household income of $88,158 and per-capita income of $35,222. 11.2% of residents live below the federal poverty level.
In Oswego County, the largest racial and ethnic groups are White (92.8%), Black or African American (1.1%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Oswego County, New York is 40.6 years. Residents are 49.8% female and 50.2% male.
The median home value in Oswego County is $139,600 and median monthly rent is $943. 73.9% of occupied housing units are owner-occupied. The county has 54,697 total housing units, 13.8% of which are vacant.
The largest employment sector in Oswego County, New York is professional, scientific, and management services, employing 24.9% of workers. The unemployment rate is 4.1%.
New York is among the largest cities associated with Oswego County, New York, with a population of 8,516,202.
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Statewide data for New York
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.