Alum Rock vs Los Altos Hills

A side-by-side comparison of Alum Rock and Los Altos Hills: population, income, housing, and more.

Alum Rock and Los Altos Hills are places in California. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Alum Rock has the higher population (11,619 vs 8,367 in Los Altos Hills). Los Altos Hills has the higher median household income ($250,001 vs $111,976 in Alum Rock). Los Altos Hills has the higher median home value ($2,000,001 vs $880,000 in Alum Rock).

Population, income & housing

	Alum Rock	Los Altos Hills
Population	11,619	8,367
Median age	40.3 yrs	53.5 yrs
Median household income	$111,976	$250,001
Median home value	$880,000	$2,000,001
Median gross rent	$2,412	$3,501
Housing units	3,145	3,430
Homeownership rate	70.4%	95.0%
Bachelor's degree or higher	19.8%	85.6%
Unemployment rate	4.7%	3.3%

Trends (ACS 5-year, 2019–2023)

	Alum Rock	Los Altos Hills
Population	11,551 → 11,619 (+0.6%)	8,505 → 8,367 (-1.6%)
Median household income	$90,405 → $111,976 (+23.9%)	$250,001 → $250,001 (+0.0%)
Median home value	$633,800 → $880,000 (+38.8%)	$2,000,001 → $2,000,001 (+0.0%)
Median gross rent	$1,832 → $2,412 (+31.7%)	$2,674 → $3,501 (+30.9%)

Alum Rock

Population

11,55111,619

Median household income

$90,405$111,976

Median home value

$633,800$880,000

Median gross rent

$1,832$2,412

Los Altos Hills

Population

8,5058,367

Median household income

$250,001$250,001

Median home value

$2,000,001$2,000,001

Median gross rent

$2,674$3,501

Age & race/ethnicity

Age distribution (share)

	Alum Rock	Los Altos Hills
Under 5	4.5%	4.2%
5 to 17	13.3%	15.3%
18 to 24	11.7%	4.8%
25 to 34	12.3%	5.5%
35 to 44	14.7%	7.8%
45 to 54	15.3%	15.0%
55 to 64	11.6%	16.1%
65 to 74	10.7%	16.4%
75 and over	5.9%	15.0%

Race & ethnicity (share)

	Alum Rock	Los Altos Hills
White (non-Hispanic)	10.2%	49.3%
Black or African American	0.3%	0.0%
American Indian & Alaska Native	0.1%	0.0%
Asian	20.6%	39.3%
Native Hawaiian & Pacific Islander	0.3%	1.6%
Some other race	0.3%	0.8%
Two or more races	0.3%	4.0%
Hispanic or Latino	67.9%	5.0%

Educational attainment (age 25+)

Share of adults 25+

	Alum Rock	Los Altos Hills
No high school diploma	33.2%	0.8%
High school graduate	27.7%	3.7%
Some college or associate's	19.3%	9.9%
Bachelor's degree	13.8%	32.0%
Graduate or professional degree	6.0%	53.6%

Commute to work

How workers get to work (share)

	Alum Rock	Los Altos Hills
Drove alone	79.2%	51.2%
Carpooled	12.5%	1.4%
Public transit	0.4%	1.2%
Walked	0.9%	1.8%
Bicycle	0.0%	0.8%
Worked from home	6.1%	42.9%
Other means	0.9%	0.7%

Housing

Units in structure (share)

	Alum Rock	Los Altos Hills
1-unit, detached	89.6%	98.3%
1-unit, attached	8.1%	1.7%
2 to 4 units	0.2%	0.0%
5 to 19 units	0.0%	0.0%
20 or more units	0.9%	0.0%
Mobile home & other	1.1%	0.0%

Poverty & households

	Alum Rock	Los Altos Hills
Poverty rate	8.7%	4.5%
Average household size	3.89	2.73
Mean commute (minutes)	30	28
Median year structure built	1953	1976