Westmont Population

1900–2026

4,709

2026 projection

4.4% since 2020 (decrease)

01K2K3K4K5K6K7K1900192019401960198020002020

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 Westmont. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20264,709-380.80%
20254,747-310.65%
20244,778-320.67%
20234,810-380.78%
20224,848-430.88%
20214,891-370.75%
20204,928+2485.30%
20194,680-571.20%
20184,737-641.33%
20174,801-631.30%

Showing 10 of 28 years.

Westmont Demographics

45.7median age

Median age

Female45 yrs
Male49.1 yrs

Adults

3,712
1,061 seniors · 29%2,651 other adults

Sex

Female 51.4% · 2,496Male 48.6% · 2,359

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 49 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

Westmont Income

$108,988median household income

Median household income

$108,988

Half of households earn more, half earn less

Median earnings

$69,924

Typical yearly pay for a worker 25 or older.

Poverty rate

7.8%

About 1 in 13 residents

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

Westmont Marital Status

61% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married61%65%58%
Never married20%17%23%
Divorced15%17%14%
Widowed4%1%6%
Separated0%0%0%

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