2024 Demographics
Households/Income Data for County: San Mateo
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Households
County: San Mateo
255,649
Households
State: California 13,390,733 Households
Percent Household Change: 2020 to 2024
County: San Mateo
-5.11%
State: California -0.63%
Families
County: San Mateo
172,901
Families
State: California 9,208,261 Families
Percent Family Change: 2020 to 2024
County: San Mateo
-7.83%
State: California -0.95%
| Households by Number of People in Household | County: San Mateo | State: California | ||
|---|---|---|---|---|
| Households | % of Households | Households | % of Households | |
| 1-Person | 53,880 | 21.08% | 3,046,015 | 22.75% |
| 2-Person | 79,096 | 30.94% | 3,890,292 | 29.05% |
| 3-Person | 44,301 | 17.33% | 2,185,432 | 16.32% |
| 4-Person | 43,462 | 17.00% | 2,082,319 | 15.55% |
| 5-Person | 19,201 | 7.51% | 1,137,707 | 8.50% |
| 6-Person | 7,442 | 2.91% | 531,796 | 3.97% |
| 7+ Person | 8,267 | 3.23% | 517,172 | 3.86% |
Average Household Size
County: San Mateo
2.81
Persons
State: California 2.86 Persons
Households With Own Children
County: San Mateo
72,274
Households
(28.27% of Households)
(28.27% of Households)
State: California 3,886,869 Households (29.03% of Households)
| Households by Income | County: San Mateo | State: California | ||
|---|---|---|---|---|
| Households | % of Households | Households | % of Households | |
| Under $15,000 | 11,548 | 4.52% | 1,033,038 | 7.71% |
| $15,000 - $24,999 | 8,724 | 3.41% | 774,638 | 5.78% |
| $25,000 - $34,999 | 8,138 | 3.18% | 780,945 | 5.83% |
| $35,000 - $49,999 | 15,011 | 5.87% | 1,176,476 | 8.79% |
| $50,000 - $74,999 | 23,957 | 9.37% | 1,815,987 | 13.56% |
| $75,000 - $99,999 | 23,139 | 9.05% | 1,582,312 | 11.82% |
| $100,000 - $124,999 | 20,582 | 8.05% | 1,332,417 | 9.95% |
| $125,000 - $149,999 | 19,326 | 7.56% | 1,065,180 | 7.95% |
| $150,000 - $199,999 | 30,696 | 12.01% | 1,370,034 | 10.23% |
| $200,000 - $249,999 | 19,022 | 7.44% | 765,233 | 5.71% |
| $250,000 - $499,999 | 32,598 | 12.75% | 946,994 | 7.07% |
| $500,000+ | 42,908 | 16.78% | 747,479 | 5.58% |
Average Household Income
County: San Mateo
$213,901
State: California $134,700
Median Household Income
County: San Mateo
$146,636
State: California $92,605
| Average Household Income by Race/Ethnicity | County: San Mateo | State: California |
|---|---|---|
| Value | Value | |
| All | $213,901 | $134,700 |
| White | $157,254 | $118,509 |
| Black/African American | $113,162 | $86,354 |
| American Indian/Alaskan Native | $115,107 | $92,825 |
| Asian | $163,317 | $132,954 |
| Native Hawaiian/Pacific Islander | $134,047 | $108,178 |
| Some Other Race | $107,743 | $87,989 |
| 2+ Races | $143,012 | $108,394 |
| Hispanic/Latino | $109,510 | $86,856 |
| Non-Hispanic/Latino | $238,521 | $157,094 |
| Median Household Income by Race/Ethnicity | County: San Mateo | State: California |
|---|---|---|
| Value | Value | |
| All | $146,636 | $92,605 |
| White | $159,670 | $99,794 |
| Black/African American | $91,152 | $65,932 |
| American Indian/Alaskan Native | $102,121 | $74,709 |
| Asian | $170,978 | $120,716 |
| Native Hawaiian/Pacific Islander | $140,118 | $95,072 |
| Some Other Race | $91,109 | $71,773 |
| 2+ Races | $131,948 | $90,032 |
| Hispanic/Latino | $98,448 | $75,515 |
| Non-Hispanic/Latino | $163,187 | $103,301 |
Families Below Poverty
County: San Mateo
7,022
Families
(4.06% of Families)
(4.06% of Families)
State: California 815,810 Families (8.86% of Families)
Families Below Poverty with Children
County: San Mateo
3,771
Families
(2.18% of Families)
(2.18% of Families)
State: California 568,841 Families (6.18% of Families)
Demographics information provided by Claritas, updated April 2024, under these terms of use.