Thornhill Population

2010–2026

188

2026 projection

2.2% since 2020 (increase)

050100150200201020122014201620182020202220242026

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 Thornhill. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202618800.00%
2025188+21.08%
2024186+10.54%
2023185+31.65%
202218200.00%
2021182-21.09%
2020184-31.60%
2019187+10.54%
2018186-21.06%
2017188+21.08%

Showing 10 of 17 years.

Thornhill Demographics

40.5median age

Median age

Female39.6 yrs
Male41.4 yrs

Adults

141
27 seniors · 19%114 other adults

Sex

Female 48.4% · 93Male 51.6% · 99

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 2 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

Thornhill Income

$133,125median household income

Median household income

$133,125

Half of households earn more, half earn less

Median earnings

$94,688

Typical yearly pay for a worker 25 or older.

Poverty rate

0.5%

About 1 in 192 residents

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

Thornhill Marital Status

68% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married68%67%69%
Never married21%27%15%
Divorced8%4%12%
Widowed3%3%4%
Separated0%0%0%

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