San Dimas vs Westmont

A side-by-side comparison of San Dimas and Westmont: population, income, housing, and more.

San Dimas and Westmont are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Westmont has the higher population (34,291 vs 34,099 in San Dimas). San Dimas has the higher median household income ($105,833 vs $47,899 in Westmont). San Dimas has the higher median home value ($756,200 vs $617,300 in Westmont).

Population, income & housing

	San Dimas	Westmont
Population	34,099	34,291
Median age	42.8 yrs	32.9 yrs
Median household income	$105,833	$47,899
Median home value	$756,200	$617,300
Median gross rent	$2,232	$1,413
Housing units	12,421	11,117
Homeownership rate	71.4%	28.3%
Bachelor's degree or higher	40.3%	12.7%
Unemployment rate	4.9%	11.6%

Trends (ACS 5-year, 2019–2023)

	San Dimas	Westmont
Population	34,048 → 34,099 (+0.1%)	35,266 → 34,291 (-2.8%)
Median household income	$86,410 → $105,833 (+22.5%)	$38,600 → $47,899 (+24.1%)
Median home value	$576,800 → $756,200 (+31.1%)	$419,900 → $617,300 (+47.0%)
Median gross rent	$1,808 → $2,232 (+23.5%)	$1,185 → $1,413 (+19.2%)

San Dimas

Population

34,04834,099

Median household income

$86,410$105,833

Median home value

$576,800$756,200

Median gross rent

$1,808$2,232

Westmont

Population

35,26634,291

Median household income

$38,600$47,899

Median home value

$419,900$617,300

Median gross rent

$1,185$1,413

Age & race/ethnicity

Age distribution (share)

	San Dimas	Westmont
Under 5	5.4%	7.1%
5 to 17	15.1%	21.6%
18 to 24	7.5%	9.1%
25 to 34	11.8%	14.6%
35 to 44	12.7%	14.0%
45 to 54	14.6%	12.5%
55 to 64	13.6%	9.6%
65 to 74	10.6%	6.3%
75 and over	8.6%	5.2%

Race & ethnicity (share)

	San Dimas	Westmont
White (non-Hispanic)	37.8%	1.2%
Black or African American	3.2%	34.6%
American Indian & Alaska Native	0.0%	0.5%
Asian	17.5%	0.4%
Native Hawaiian & Pacific Islander	0.2%	1.0%
Some other race	0.4%	1.3%
Two or more races	3.7%	1.7%
Hispanic or Latino	37.1%	59.2%

Educational attainment (age 25+)

Share of adults 25+

	San Dimas	Westmont
No high school diploma	7.2%	29.1%
High school graduate	20.3%	28.9%
Some college or associate's	32.2%	29.3%
Bachelor's degree	23.3%	8.7%
Graduate or professional degree	17.0%	4.1%

Commute to work

How workers get to work (share)

	San Dimas	Westmont
Drove alone	71.6%	66.9%
Carpooled	10.5%	10.0%
Public transit	0.8%	8.4%
Walked	0.9%	0.7%
Bicycle	0.1%	0.0%
Worked from home	15.3%	7.1%
Other means	0.8%	6.9%

Housing

Units in structure (share)

	San Dimas	Westmont
1-unit, detached	61.1%	40.5%
1-unit, attached	11.2%	10.3%
2 to 4 units	4.1%	22.2%
5 to 19 units	7.4%	18.9%
20 or more units	7.8%	7.3%
Mobile home & other	8.4%	0.6%

Poverty & households

	San Dimas	Westmont
Poverty rate	9.2%	24.4%
Average household size	2.73	3.23
Mean commute (minutes)	32	34
Median year structure built	1976	1958