Alto CDP, California demographics
Population: 900
Median age: 48.5
Median household income: 185,000
Alto is a CDP in Marin County, California, United States.
Demographics, population, home values, social and economic characteristics of Alto CDP, CA.
Population
| 2021 | 900 |
| 2020 | 818 |
| 2019 | 611 |
| 2018 | 765 |
| 2017 | 751 |
| 2016 | 649 |
| 2015 | 735 |
| 2014 | 678 |
| 2013 | 714 |
| 2012 | 745 |
| 2011 | 741 |
| 2010 | 579 |
Census data for Alto CDP, California
Demographic and housing estimates in Alto CDP, California
| Total population | 900 |
| Male | 465 |
| Female | 435 |
| Total population | 900 |
| Under 5 years | 0 |
| 5 to 9 years | 0 |
| 10 to 14 years | 129 |
| 15 to 19 years | 36 |
| 20 to 24 years | 0 |
| 25 to 34 years | 212 |
| 35 to 44 years | 32 |
| 45 to 54 years | 148 |
| 55 to 59 years | 249 |
| 60 to 64 years | 43 |
| 65 to 74 years | 38 |
| 75 to 84 years | 13 |
| 85 years and over | 0 |
| Median age (years) | 48.5 |
| Under 18 years | 165 |
| 16 years and over | 747 |
| 18 years and over | 735 |
| 21 years and over | 735 |
| 62 years and over | 94 |
| 65 years and over | 51 |
| Total population | 900 |
| One race | 900 |
| White | 809 |
| Black or African American | 19 |
| American Indian and Alaska Native | 0 |
| Asian | 16 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 56 |
| Two or more races | 0 |
| Citizen, VOTING AGE 18 and over population | 634 |
| Male Citizen, VOTING AGE 18 and over population | 316 |
| Female Citizen, VOTING AGE 18 and over population | 318 |
Social characteristics in Alto CDP, California
| Total households | 356 |
| Family households (families) | 222 |
| Married-couple family | 0 |
| Male householder, no wife present, family | 24 |
| Female householder, no husband present, family | 0 |
| Nonfamily households | 110 |
| Average household size | 47 |
| Average family size | 2.53 |
Economic characteristics in Alto CDP, California
| Total households | 356 |
| Less than $10,000 | 0 |
| $10,000 to $14,999 | 0 |
| $15,000 to $24,999 | 0 |
| $25,000 to $34,999 | 0 |
| $35,000 to $49,999 | 0 |
| $50,000 to $74,999 | 41 |
| $75,000 to $99,999 | 58 |
| $100,000 to $149,999 | 42 |
| $150,000 to $199,999 | 93 |
| $200,000 or more | 122 |
| Median household income (dollars) | 185,000 |
Housing characteristics in Alto CDP, California
| Total housing units | 420 |
| Occupied housing units | 356 |
| Vacant housing units | 64 |
| Total housing units | 420 |
| 1-unit, detached | 208 |
| 1-unit, attached | 103 |
| 2 units | 62 |
| 3 or 4 units | 19 |
| 5 to 9 units | 0 |
| 10 to 19 units | 28 |
| 20 or more units | 0 |
| Mobile home | 0 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 420 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 13 |
| Built 2000 to 2009 | 0 |
| Built 1990 to 1999 | 11 |
| Built 1980 to 1989 | 38 |
| Built 1970 to 1979 | 114 |
| Built 1960 to 1969 | 28 |
| Built 1950 to 1959 | 24 |
| Built 1940 to 1949 | 158 |
| Built 1939 or earlier | 34 |
| Total housing units | 420 |
| 1 room | 0 |
| 2 rooms | 38 |
| 3 rooms | 0 |
| 4 rooms | 150 |
| 5 rooms | 29 |
| 6 rooms | 59 |
| 7 rooms | 102 |
| 8 rooms | 0 |
| 9 rooms or more | 42 |
| Median rooms | 5.3 |
| Total housing units | 420 |
| No bedroom | 0 |
| 1 bedroom | 38 |
| 2 bedrooms | 161 |
| 3 bedrooms | 95 |
| 4 bedrooms | 113 |
| 5 or more bedrooms | 13 |
| Occupied housing units | 356 |
| Owner-occupied | 155 |
| Renter-occupied | 201 |
| Average household size of owner-occupied unit | 2.23 |
| Average household size of renter-occupied unit | 2.76 |
| Occupied housing units | 356 |
| Moved in 2017 or later | 0 |
| Moved in 2015 to 2016 | 146 |
| Moved in 2010 to 2014 | 24 |
| Moved in 2000 to 2009 | 86 |
| Moved in 1990 to 1999 | 76 |
| Moved in 1989 and earlier | 24 |
| Owner-occupied units | 155 |
| Less than $50,000 | 11 |
| $50,000 to $99,999 | 0 |
| $100,000 to $149,999 | 0 |
| $150,000 to $199,999 | 0 |
| $200,000 to $299,999 | 0 |
| $300,000 to $499,999 | 0 |
| $500,000 to $999,999 | 36 |
| $1,000,000 or more | 108 |
| Median (dollars) | 2,000,001 |
| Owner-occupied units | 155 |
| Housing units with a mortgage | 144 |
| Housing units without a mortgage | 11 |
| Occupied units paying rent | 201 |
| Less than $500 | 0 |
| $500 to $999 | 24 |
| $1,000 to $1,499 | 0 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 11 |
| $2,500 to $2,999 | 94 |
| $3,000 or more | 72 |
| Median (dollars) | 2,848 |
| No rent paid | 0 |
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