Alum Rock Population

2011–2026

10,715

2026 projection

9.2% since 2020 (decrease)

02K4K6K8K10K12K14K20122014201620182020202220242026

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 Alum Rock. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202610,715-3012.73%
202511,016-6032.63%
202311,619-2121.79%
202211,831-3873.17%
202112,218+4203.56%
202011,798+2472.14%
201911,551-2402.04%
201811,791-3372.78%
201712,128+2512.11%
201611,877+8267.47%

Showing 10 of 15 years.

Alum Rock Demographics

41median age

Median age

Female42.7 yrs
Male40.7 yrs

Adults

8,528
1,935 seniors · 23%6,593 other adults

Sex

Female 48.3% · 5,044Male 51.7% · 5,396

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 104 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

Alum Rock Income

$126,705median household income

Median household income

$126,705

Half of households earn more, half earn less

Median earnings

$52,093

Typical yearly pay for a worker 25 or older.

Poverty rate

6.2%

About 1 in 16 residents

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

Alum Rock Marital Status

48% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married48%50%47%
Never married38%42%34%
Divorced7%5%9%
Widowed5%2%8%
Separated2%1%3%

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