Housing in Alum Rock at a glance
- Population
- about 152,446
- Housing units
- about 42,013
- Median value, owner-occupied homes
- $985,000San Jose: $1,233,200 (-24%)
- Median gross rent
- $2,380 a monthSan Jose: $2,669 (-11%)
- Owner-occupied homes
- 58.4%San Jose: 55.8%
- Homes built before 1980
- 69.3%
- Median year built
- 1970
Alum Rock is a big sector, with 152,446 residents in 42,013 housing units, and it sits north-east of San Jose's centre. Its median value of $985,000 is 24% under the city and ninth of ten; only South, at $863,000, costs less, while Berryessa reaches $1,272,000 and Central $1,142,000. Renters pay $2,380, 11% below the city level and eighth of the nine sectors with rent data, whereas Berryessa's renters pay $3,190. Tenure sits close to the middle: owners are 58.4% of households, 2.6 points above San Jose overall, and Central, in contrast, is at 31.6%. The housing leans older, as 69.3% predates 1980, fourth from the top of ten, and the median home was built in 1970. South is newer, with a median home from 1981 and 48.3% pre-1980, and Berryessa sits at 56.8%. Central's renters pay $2,410, a little more than Alum Rock's, while South's pay $2,210.
Questions about Alum Rock
What is the median home value in Alum Rock, San Jose?
$985,000 for owner-occupied homes, against $1,233,200 for San Jose as a whole (Payotte estimate from Census ACS 2020-2024 5-year data for the census tracts within the official boundary). It is the owners' own estimate of their home's value, not a sale price.
What is the median rent in Alum Rock?
$2,380 a month in gross rent (rent plus utilities paid by the renter), against $2,669 in San Jose (Payotte estimate from Census ACS 2020-2024 5-year data for the census tracts within the official boundary).
Do most people in Alum Rock own or rent?
Most own: 58.4% of occupied homes are owner-occupied, against 55.8% in San Jose (Payotte estimate from Census ACS 2020-2024 5-year data for the census tracts within the official boundary).
Data and method
Data as of: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (retrieved 2026-11-02).
Estimate from the 33 census tracts whose internal point lies within the official boundary: counts are summed, and each median is recomputed from the summed value, rent and year-built brackets (grouped median, linear interpolation). The gap with the city is measured with the same method on the whole city.
Alum Rock is one of the 10 most populous of 15 planning areas of San Jose: estimated population about 152,446 (Payotte estimate: Census ACS 2020-2024 populations of the census tracts whose internal point lies inside the boundary; boundaries from City of San José GIS, Planning Areas (open data layer 544), consulted 2026-11-02).
Sources: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates, tables B01003, B25001, B25003, B25034, B25063, B25064, B25075, B25077; U.S. Census Bureau, 2024 Gazetteer files (census tract internal points). City figures: the same survey, published for San Jose as a whole. Home values are owners' estimates, not sale prices.
Near Alum Rock
The closest sectors of San Jose, by distance between population centres.
Other sectors of San Jose
Five trades, one spot each
Payotte lists one professional per trade in Alum Rock. No one is listed yet: every spot is open.
- Real estate agentOpen spot
- Mortgage loan officerOpen spot
- Home inspectorOpen spot
- Real estate attorneyOpen spot
- AppraiserOpen spot
Work in one of these trades in Alum Rock? Ask for your spot.