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 distinguished by its share of foreign-born residents, 11.2% of the population. Oswego County is a county in New York with a population of 117,945. It ranks #24 among counties in New York by population.
Household earnings are middling, with a median of $68,461 — below the US median of $78,538. The poverty rate is 11.2%, below the national 12.4%. Homes carry a median value of $139,600, with typical rent around $943.
Roughly 21.9% of adults have a bachelor’s, below the national 35.0%. Around 7.8% of workers work from home, below the national 14.0%, and the average commute runs about 25 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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Part of New York
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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.