Belmont Population

2011–2026

10,346

2026 projection

10.8% since 2020 (increase)

02K4K6K8K10K12K20122014201620182020202220242026

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 Belmont. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202610,346+2732.71%
202510,073+5482.84%
20239,525-3633.67%
20229,888+2993.12%
20219,589+2482.65%
20209,341+2,70940.85%
20196,632+30.05%
20186,629+661.01%
20176,563-1472.19%
20166,710+3505.50%

Showing 10 of 15 years.

Belmont Demographics

42.7median age

Median age

Female43.4 yrs
Male41.6 yrs

Adults

7,146
847 seniors · 12%6,299 other adults

Sex

Female 48.6% · 4,724Male 51.4% · 5,005

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 97 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

Belmont Income

$242,542median household income

Median household income

$242,542

Half of households earn more, half earn less

Median earnings

$122,043

Typical yearly pay for a worker 25 or older.

Poverty rate

2.1%

About 1 in 48 residents

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

Belmont Marital Status

66% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married66%67%64%
Never married25%28%22%
Divorced6%5%7%
Widowed2%<1%5%
Separated<1%<1%1%

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