Ontario Population

1890–2026

189.51K

2026 projection

7.9% since 2020 (increase)

050K100K150K200K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Ontario. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026189,505+2,4921.33%
2025187,013+1,3440.72%
2024185,669+2,3411.28%
2023183,328+2,4361.35%
2022180,892+2,6711.50%
2021178,221+2,5221.44%
2020175,699-5,9373.27%
2019181,636+3,0011.68%
2018178,635+3,2621.86%
2017175,373+3,2331.88%

Showing 10 of 29 years.

Ontario Demographics

33.5median age

Median age

Female33.3 yrs
Male33.6 yrs

Adults

136,430
18,870 seniors · 14%117,560 other adults

Sex

Female 51.2% · 92,366Male 48.8% · 88,181

Population by age

MaleFemale85+ years, male: 73285+ years, female: 96580–84 years, male: 61680–84 years, female: 1,12475–79 years, male: 1,34575–79 years, female: 1,37770–74 years, male: 2,36770–74 years, female: 2,50765–69 years, male: 3,83165–69 years, female: 4,00660–64 years, male: 4,56860–64 years, female: 5,16955–59 years, male: 5,18855–59 years, female: 5,28550–54 years, male: 5,36350–54 years, female: 5,63145–49 years, male: 5,13345–49 years, female: 5,44340–44 years, male: 6,08640–44 years, female: 5,57135–39 years, male: 7,06335–39 years, female: 7,24630–34 years, male: 7,83730–34 years, female: 7,40525–29 years, male: 7,37325–29 years, female: 8,63520–24 years, male: 6,78420–24 years, female: 6,98215–19 years, male: 6,25615–19 years, female: 6,38310–14 years, male: 6,72310–14 years, female: 5,9655–9 years, male: 5,2435–9 years, female: 6,7880–4 years, male: 5,6730–4 years, female: 5,88485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K8K8K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,805 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Ontario Income

$88,941median household income

Median household income

$88,941

Half of households earn more, half earn less

Median earnings

$47,823

Typical yearly pay for a worker 25 or older.

Poverty rate

12.4%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Ontario Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%46%43%
Never married42%44%41%
Divorced8%7%8%
Widowed4%2%5%
Separated2%2%3%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year