Alum Rock CDP, California demographics
Population: 12,218
Median age: 36.6
Median household income: 110,833
Alum Rock is a CDP in Santa Clara County, California, United States.
Demographics, population, home values, social and economic characteristics of Alum Rock CDP, CA.
Population
| 2021 | 12,218 |
| 2020 | 11,798 |
| 2019 | 11,551 |
| 2018 | 11,791 |
| 2017 | 12,128 |
| 2016 | 11,877 |
| 2015 | 11,051 |
| 2014 | 10,992 |
| 2013 | 11,353 |
| 2012 | 11,796 |
| 2011 | 11,814 |
| 2010 | 16,049 |
| 2009 | 13,011 |
Census data for Alum Rock CDP, California
Demographic and housing estimates in Alum Rock CDP, California
| Total population | 12,218 |
| Male | 6,085 |
| Female | 6,133 |
| Total population | 12,218 |
| Under 5 years | 703 |
| 5 to 9 years | 790 |
| 10 to 14 years | 870 |
| 15 to 19 years | 801 |
| 20 to 24 years | 1,016 |
| 25 to 34 years | 1,715 |
| 35 to 44 years | 1,590 |
| 45 to 54 years | 1,872 |
| 55 to 59 years | 719 |
| 60 to 64 years | 574 |
| 65 to 74 years | 891 |
| 75 to 84 years | 456 |
| 85 years and over | 221 |
| Median age (years) | 36.6 |
| Under 18 years | 2,790 |
| 16 years and over | 9,631 |
| 18 years and over | 9,428 |
| 21 years and over | 8,888 |
| 62 years and over | 1,905 |
| 65 years and over | 1,568 |
| Total population | 12,218 |
| One race | 10,715 |
| White | 3,688 |
| Black or African American | 94 |
| American Indian and Alaska Native | 52 |
| Asian | 2,180 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 4,701 |
| Two or more races | 1,503 |
| Citizen, VOTING AGE 18 and over population | 7,027 |
| Male Citizen, VOTING AGE 18 and over population | 3,587 |
| Female Citizen, VOTING AGE 18 and over population | 3,440 |
Social characteristics in Alum Rock CDP, California
| Total households | 2,892 |
| Family households (families) | 1,549 |
| Married-couple family | 255 |
| Male householder, no wife present, family | 483 |
| Female householder, no husband present, family | 245 |
| Nonfamily households | 605 |
| Average household size | 912 |
| Average family size | 4.12 |
Economic characteristics in Alum Rock CDP, California
| Total households | 2,892 |
| Less than $10,000 | 29 |
| $10,000 to $14,999 | 120 |
| $15,000 to $24,999 | 138 |
| $25,000 to $34,999 | 107 |
| $35,000 to $49,999 | 205 |
| $50,000 to $74,999 | 476 |
| $75,000 to $99,999 | 267 |
| $100,000 to $149,999 | 617 |
| $150,000 to $199,999 | 443 |
| $200,000 or more | 490 |
| Median household income (dollars) | 110,833 |
Housing characteristics in Alum Rock CDP, California
| Total housing units | 3,004 |
| Occupied housing units | 2,892 |
| Vacant housing units | 112 |
| Total housing units | 3,004 |
| 1-unit, detached | 2,725 |
| 1-unit, attached | 229 |
| 2 units | 12 |
| 3 or 4 units | 14 |
| 5 to 9 units | 0 |
| 10 to 19 units | 0 |
| 20 or more units | 0 |
| Mobile home | 24 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 3,004 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 19 |
| Built 2000 to 2009 | 25 |
| Built 1990 to 1999 | 205 |
| Built 1980 to 1989 | 64 |
| Built 1970 to 1979 | 172 |
| Built 1960 to 1969 | 247 |
| Built 1950 to 1959 | 1,353 |
| Built 1940 to 1949 | 711 |
| Built 1939 or earlier | 208 |
| Total housing units | 3,004 |
| 1 room | 70 |
| 2 rooms | 56 |
| 3 rooms | 112 |
| 4 rooms | 479 |
| 5 rooms | 803 |
| 6 rooms | 767 |
| 7 rooms | 409 |
| 8 rooms | 205 |
| 9 rooms or more | 103 |
| Median rooms | 5.5 |
| Total housing units | 3,004 |
| No bedroom | 70 |
| 1 bedroom | 101 |
| 2 bedrooms | 514 |
| 3 bedrooms | 1,674 |
| 4 bedrooms | 503 |
| 5 or more bedrooms | 142 |
| Occupied housing units | 2,892 |
| Owner-occupied | 2,132 |
| Renter-occupied | 760 |
| Average household size of owner-occupied unit | 3.98 |
| Average household size of renter-occupied unit | 4.50 |
| Occupied housing units | 2,892 |
| Moved in 2017 or later | 192 |
| Moved in 2015 to 2016 | 464 |
| Moved in 2010 to 2014 | 507 |
| Moved in 2000 to 2009 | 682 |
| Moved in 1990 to 1999 | 417 |
| Moved in 1989 and earlier | 630 |
| Owner-occupied units | 2,132 |
| Less than $50,000 | 24 |
| $50,000 to $99,999 | 26 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 25 |
| $200,000 to $299,999 | 52 |
| $300,000 to $499,999 | 228 |
| $500,000 to $999,999 | 1,662 |
| $1,000,000 or more | 115 |
| Median (dollars) | 724,100 |
| Owner-occupied units | 2,132 |
| Housing units with a mortgage | 1,641 |
| Housing units without a mortgage | 491 |
| Occupied units paying rent | 690 |
| Less than $500 | 16 |
| $500 to $999 | 14 |
| $1,000 to $1,499 | 122 |
| $1,500 to $1,999 | 139 |
| $2,000 to $2,499 | 152 |
| $2,500 to $2,999 | 106 |
| $3,000 or more | 141 |
| Median (dollars) | 2,178 |
| No rent paid | 70 |
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