• county
  • FIPS 36069
  • Largest town: Geneva

Ontario County, New York

Ontario County had 113,012 residents in the Census Vintage 2024 estimate, on 644.1 square miles of land. It ranks 26th of 62 in New York by population and 34th by land area.

Population
113,012
#26 of 62 in New York · #566 in US
Area
644.1 sq mi
#34 of 62 in New York · #1,476 in US
Density
175 / sq mi
#25 of 62 in New York · #613 in US
Median household income
$79,364
#15 of 62 in New York · #499 in US

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

Ontario County within New York. Pin: Albany.

Measure from here

Tools and pages that start from Ontario County

Ontario County population, land area and income

Ontario County had 113,012 residents in the Census Vintage 2024 estimate, on 644.1 square miles of land. It ranks 26th of 62 in New York by population and 34th by land area. That works out to 175.5 people per square mile, 1.8 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in New York has 85,936 residents; Ontario County is somewhat larger.

Its SAIPE 2023 median household income of $79,364 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

113,012

3144th1st

566th of 3,144 (US)

Land area

644 sq mi

3144th1st

1476th of 3,144 (US)

Density

175.5 / sq mi

3144th1st

613th of 3,144 (US)

Median household income

$79,364

3143rd1st

499th of 3,143 (US)

Rank within New York (62)

Population

113,012

62nd1st

26th of 62 (NY)

Land area

644 sq mi

62nd1st

34th of 62 (NY)

Density

175.5 / sq mi

62nd1st

25th of 62 (NY)

Median household income

$79,364

62nd1st

15th of 62 (NY)

How Ontario County's population changed since 2020

Ontario County gained 662 residents between the July 2020 and July 2024 estimates, a rise of 0.6%. That ranks 16th 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, Ontario County recorded 4,156 births and 5,012 deaths, a natural change of -856. Net international migration added +577 and net domestic migration, people moving to or from other US counties, came to +826. The largest single component was natural change, which removed 856 people.

112.4k2020112.6k2021112.5k2022112.6k2023113.0k2024
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
4,156
Deaths
5,012
Net international migration
+577
Net domestic migration
+826
Change, July 2023 to July 2024
+407

Where Ontario County is

The Census internal point of Ontario County is at 42.856400, -77.303500. 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 Ontario 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: Ontario County internal point. Dark pin: Albany.

Internal point

Decimal
42.856400, -77.303500
DMS
42°51'23.04"N 77°18'12.60"W
UTM
18N 311805.0E 4747442.3N
Geohash
dr95bcv29
Plus code
87J4VM4W+HJ

Towns in Ontario County

8 incorporated places of 1,000+ people have residents in Ontario County, 33,898 people together, or 30% of the county. Each figure counts only the part of the town inside Ontario County; towns marked "part" extend into another county. The largest is Geneva with 12,397.

  1. 01Geneva12,397
  2. 02Canandaigua10,476
  3. 03Victor2,670
  4. 04Clifton Springs2,168
  5. 05Phelps1,865
  6. 06Manchester1,630
  7. 07Shortsville1,357
  8. 08Bloomfield1,335
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Ontario County

The Census 2024 county adjacency file lists 6 neighbors for Ontario County. The most populous is Monroe County, NY, with 752,202 residents. Distances run between Census internal points in a straight line.

Distance to Albany and the nearest big city

Albany is 180.5 miles E of Ontario County's internal point in a straight line. The nearest place of 100,000 or more is Rochester, NY (population 207,282), 26.8 miles away. The nearest place of 10,000 or more is Canandaigua, NY (population 10,476), 2.5 miles away.

Ontario County FIPS code

The FIPS code of Ontario County is 36069: state code 36 for New York plus county code 069. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $79,364.

Questions people ask

What is the population of Ontario County, New York?

The Census Vintage 2024 estimate for July 1, 2024 is 113,012. That is up 662 people (0.6%) from the July 2020 estimate of 112,350.

What is the FIPS code of Ontario County?

36069. The first two digits (36) are New York; the last three (069) identify the county.

What is the largest town in Ontario County?

Geneva, with 12,397 residents inside Ontario County in 2024.

Which counties border Ontario County?

6 county-equivalents border it in the Census 2024 adjacency file: Monroe County, NY; Steuben County, NY; Wayne County, NY; Livingston County, NY; Seneca County, NY; Yates 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.