Onondaga County, New York Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Onondaga County, NY Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
  • B
    Income Around average
  • B
    Education Around average
    Better educated than 82% of counties in New York

Source: Map AI Methodology

Onondaga County
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Population density, people per sq mi

Population: density and quick facts

Metric Onondaga County New York Avg U.S. Average
Population 470,361 19,748,855 337,468,954
Population density (per sq mi) 584.2 362.0 86.4
Population growth (%/yr) 0.05% 0.05% 0.59%
Median age 38.4 38.7 37.3
Households 197,373 7,694,043 130,235,071

Population in Onondaga County grew by 3.5% from 2009 to 2024, reaching 470,361 in 2024.

Population Growth 2009–2024

Year Onondaga County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Onondaga County is Gen Z, aged 13–28, at 21.5% of residents. That is 1.0 points above New York as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below New York, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 51.7% of the people living in Onondaga County and men 48.3%.

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470,361

100% of everyone living in Onondaga County

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Economy

Onondaga County has a the economy index of B, which means it is quite prosperous.

Metric Onondaga County New York Avg U.S. Average
Median household income $77,376 $86,556 $80,455
Income growth (%/yr) 4.12% 4.51% 4.80%
Unemployment rate 5.2% 6.4% 5.2%

The median household income in Onondaga County is about 11% lower than in New York.

Detailed wealth and income breakdown →

Housing

Metric Onondaga County New York Avg U.S. Average
Median home price $150,980 $471,885 $248,835
Median rent $1,107 $1,621 $1,407
Homeownership rate 65.9% 54.3% 65.2%

The median home price in Onondaga County is about 11.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,107 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Onondaga County spend about 36 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 150 hours, about 6.3 full days, spent commuting.

Metric Onondaga County New York Avg U.S. Average
One-way commute (min) 18.1 28.7 22.4
Round-trip commute (min) 36.1 57.4 44.8
Yearly time spent (hours) 150 239 187
Estimated yearly cost $4,664 $7,414 $5,790
Work from home 13.1% 15.0% 15.0%
Highway traffic (vehicles/day) 7,341 9,257 8,813
Local road traffic (vehicles/day) 1,481 1,586 1,355

Fastest commutes among counties in New York: Hamilton County (13.6 min), Chautauqua County (15.4 min), Franklin County (16.4 min).
Slowest: Bronx County (43.2 min), Queens County (41.8 min), Kings County (41.6 min).

The average commute time in Onondaga County is 18 minutes, shorter than the 29 minutes in New York.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Onondaga County has a education index of B, which means it is quite educated.

Metric Onondaga County New York Avg U.S. Average
Bachelor's degree or higher 34.5% 36.5% 31.6%
Average household size 2.27 2.49 2.53

Highest education index among counties in New York: New York County (0.5), Tompkins County (0.4), Westchester County (0.4).
Lowest: Bronx County (0.2), Orleans County (0.2), Hamilton County (0.2).

Health

Onondaga County has a health index of B, which means it is quite healthy.

Metric Onondaga County New York Avg U.S. Average
Life expectancy (years) 79.4 80.3 78.3
Self-rated poor health 13.6% 13.2% 16.3%
Smokers 17.8% 17.4% 19.0%

Highest health index among counties in New York: Tompkins County (0.8), Nassau County (0.8), New York County (0.8).
Lowest: Bronx County (0.8), Montgomery County (0.8), Cattaraugus County (0.8).

Full health data →

Onondaga County, NY Compared With Nearby Counties

Onondaga County, NY is the largest of the 6 counties compared here, 470,361 residents against a local median of 75,102. The measure that sets Onondaga County, NY apart most is median home price: $150,980, 29% above the local median of $116,927.

The counties themselves spread $79,167 on median home price, so Onondaga County, NY sits at one end of an already wide local range rather than apart from it. Onondaga County, NY has the 2nd highest median home price of the 6 areas compared here.

Area Population Median household income Median home price Commute
Onondaga County, NY 470,361 $77,376 #1/6 $150,980 #2/6 18.1 min #2/6
Cayuga County, NY 75,102 $68,324 $82,647 18.6 min
Cortland County, NY 46,246 $69,777 $139,484 18.2 min
Oswego County, NY 117,951 $69,374 $105,390 22.6 min
Madison County, NY 67,325 $75,545 $161,813 21.5 min
Tompkins County, NY 103,844 $74,388 $116,927 17.5 min

Frequently Asked Questions

Common questions about Onondaga County, New York.

How many people live in Onondaga County, New York?

About 470,361 people live in Onondaga County, New York, in 197,373 households of 2.3 people on average. The median age is 38.4, close to the U.S. median of 37.3.

How densely populated is Onondaga County, New York?

Averaged over its land area, Onondaga County, New York has 584 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 6.8 times the U.S. average of 86.

Can a typical household afford a home in Onondaga County, New York?

The median home costs 2.0 times the median household income ($150,980 against $77,376), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,107 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

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