San Mateo County, CA Population by Race & Ethnicity

Racial distribution of San Mateo County population: 43.44% are white, 2.29% are Black or African American, 0.85% are American Indian and Alaska Native, 30.52% are Asian, 1.22% are Native Hawaiian and other Pacific Islander, 10.92% are some other race and 10.77% are multiracial.
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Updated Jul 15, 2024

San Mateo County, CA population by race

The table below shows San Mateo County's population by race.

Race Population % of Total Population
White 327,625 43.44%
Black or African American 17,238 2.29%
American Indian and Alaska Native 6,446 0.85%
Asian 230,174 30.52%
Native Hawaiian and Other Pacific Islander 9,180 1.22%
Some other race 82,367 10.92%
Two or more races (multiracial) 81,220 10.77%
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Avg Income Age group Avg Income Diversity Index Population Gender ratio (M:F) Homeownership % Avg commute time Custom Dataset: San Mateo County Self-employed, multilingual, car-commuting, insured individuals 15 to 24 years $27,865 75 27,354 0.75 0.5% 55 min 25 to 44 years $44,231 90 37,459 0.86 19% 43 min 45 to 64 years $53,865 95 42,167 0.77 35% 15 min 65 to 74 years $51,800 74 32,972 0.91 45% 13 min 75 to 84 years $41,234 66 26,758 0.87 66% 42 min 85 years and over $36,093 56 18,857 0.89 76% 45 min

San Mateo County population by race

Of the 5 race categories (excluding ethnicity) identified by the Census Bureau, namely American Indian or Alaska Native, Asian, Black or African American, Native Hawaiian or Other Pacific Islander and White; San Mateo County has a population in all of the race categories.

This confirms that San Mateo County's population has become increasingly diverse.

The percent distribution of San Mateo County population by race (across all racial categories recognized by the U.S. Census Bureau): 43.44% are white, 2.29% are Black or African American, 0.85% are American Indian and Alaska Native, 30.52% are Asian, 1.22% are Native Hawaiian and other Pacific Islander, 10.92% are some other race and 10.77% are multiracial.

FIGURE 1

San Mateo County, CA population by race.

The largest racial group in San Mateo County is White with a population of 327,625 (43.44% of the total population).

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

San Mateo County 's racial breakdown clearly shows that there is no majority (i.e. more than 50% of the population belong to one particular race) of any race in the county.

As per the latest data estimates from American Community Survey's 5-year estimates:

1. The largest racial group in San Mateo County is White with a population of 327,625 (43.44% of the total population).

2. The multiracial population, i.e. population that identify themselves with two or more races , is 81,220 (10.77% of the total population).

Racial / Ethnic makeup of San Mateo County, CA

By ethnicity, 180,393 (23.92% of the total population) is Hispanic or Latino (of any race), and 573,857 (76.08% of the total population) is Non-Hispanic.

Of the Non-Hispanic population in San Mateo County, the largest racial group is White alone with a population of 279,215 (48.66% of the total Non-Hispanic population).

FIGURE 2

San Mateo County, CA Non-Hispanic population by race

All percentages shown below are, % of San Mateo County's Non-Hispanic population.

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

San Mateo County Non-Hispanic population by race

The distribution of the Non-Hispanic population across various race categories

Race Population % of Total Non-Hispanic Population
White alone 279,215 48.66%
Black or African American alone 16,015 2.79%
American Indian and Alaska Native alone 976 0.17%
Asian alone 228,200 39.77%
Native Hawaiian and Other Pacific Islander alone 8,827 1.54%
Some other race alone 5,878 1.02%
Two or more races (multiracial) 34,746 6.05%

Among the Hispanic population in San Mateo County, regardless of the race, the largest group is of Mexican origin, with a population of 106,757 (59.18% of the total Hispanic population).

FIGURE 3

San Mateo County, CA Hispanic or Latino population

All percentages shown below are, % of San Mateo County's Hispanic population.

Source: U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

San Mateo County Hispanic or Latino population

The distribution of the Hispanic or Latino population by their ancestries

Origin Population % of Total Hispanic Population
Mexican 106,757 59.18%
Puerto Rican 3,508 1.94%
Cuban 1,810 1.00%
Other Hispanic or Latino 68,318 37.87%

Things to know

What percentage of San Mateo County, CA is Hispanic?

As per the U.S. Census Bureau American Community Survey estimates, 23.92% of San Mateo County population is Hispanic.

Among the Hispanic population in San Mateo County, regardless of the race, the largest group is of Mexican origin, with a population of 106,757 (59.18% of the total Hispanic population).

How many Black people does San Mateo County, CA have?

San Mateo County, CA has 17,238 Black or African American population as per the estimates from the latest American Community Survey 5-Year estimates. Overall 2.29% of the total population (excluding multiracial) in San Mateo County is Black.

What is the largest minority group in San Mateo County, CA?

With 76.08% of the total population, Non-Hispanics are the largest ethnic minority in San Mateo County.

That being said, with a 30.52% of the total population, Asians are the largest racial minority in San Mateo County.

What is the majority race in San Mateo County, CA?

With a population of 327,625 (43.44% of the total population), Whites are the largest racial majority in San Mateo County.

Asians are second largest race in San Mateo County, with 30.52% of the total population.

References

Notes

The analysis presented in this article is based on estimates derived from the U.S. Census Bureau American Community Survey. While these figures offer valuable insights, they are subject to a margin of error. It is advisable to exercise caution and consider the potential margin of error when interpreting and utilizing this data.

Datasets

Explore datasets by year of publication.
2024
San Mateo County, CA Population Breakdown By Race (Excluding Ethnicity) Dataset: Population Counts and Percentages for 7 Racial Categories as Identified by the US Census Bureau // 2024 Edition
Last updated July 7, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the population of San Mateo County by race. It includes the population of San Mateo County across racial categories (excluding ethnicity) as identified by the Census Bureau. The dataset can be utilized to understand the population distribution of San Mateo County across relevant racial categories.

Key observations

The percent distribution of San Mateo County population by race (across all racial categories recognized by the U.S. Census Bureau): 43.44% are white, 2.29% are Black or African American, 0.85% are American Indian and Alaska Native, 30.52% are Asian, 1.22% are Native Hawaiian and other Pacific Islander, 10.92% are some other race and 10.77% are multiracial.

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Racial categories include:

  • White
  • Black or African American
  • American Indian and Alaska Native
  • Asian
  • Native Hawaiian and Other Pacific Islander
  • Some other race
  • Two or more races (multiracial)

Variables / Data Columns

  • Race: This column displays the racial categories (excluding ethnicity) for the San Mateo County
  • Population: The population of the racial category (excluding ethnicity) in the San Mateo County is shown in this column.
  • % of Total Population: This column displays the percentage distribution of each race as a proportion of San Mateo County total population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for San Mateo County Population by Race & Ethnicity. You can refer the same here

San Mateo County, CA Non-Hispanic Population Breakdown By Race Dataset: Non-Hispanic Population Counts and Percentages for 7 Racial Categories as Identified by the US Census Bureau // 2024 Edition
Last updated July 7, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Non-Hispanic population of San Mateo County by race. It includes the distribution of the Non-Hispanic population of San Mateo County across various race categories as identified by the Census Bureau. The dataset can be utilized to understand the Non-Hispanic population distribution of San Mateo County across relevant racial categories.

Key observations

Of the Non-Hispanic population in San Mateo County, the largest racial group is White alone with a population of 279,215 (48.66% of the total Non-Hispanic population).

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Racial categories include:

  • White
  • Black or African American
  • American Indian and Alaska Native
  • Asian
  • Native Hawaiian and Other Pacific Islander
  • Some other race
  • Two or more races (multiracial)

Variables / Data Columns

  • Race: This column displays the racial categories (for Non-Hispanic) for the San Mateo County
  • Population: The population of the racial category (for Non-Hispanic) in the San Mateo County is shown in this column.
  • % of Total Population: This column displays the percentage distribution of each race as a proportion of San Mateo County total Non-Hispanic population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for San Mateo County Population by Race & Ethnicity. You can refer the same here

San Mateo County, CA Hispanic or Latino Population Distribution by Ancestries Dataset : Detailed Breakdown of Hispanic or Latino Origins // 2024 Edition
Last updated July 7, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the San Mateo County Hispanic or Latino population. It includes the distribution of the Hispanic or Latino population, of San Mateo County, by their ancestries, as identified by the Census Bureau. The dataset can be utilized to understand the origin of the Hispanic or Latino population of San Mateo County.

Key observations

Among the Hispanic population in San Mateo County, regardless of the race, the largest group is of Mexican origin, with a population of 106,757 (59.18% of the total Hispanic population).

Content

When available, the data consists of estimates from the U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates.

Origin for Hispanic or Latino population include:

  • Mexican
  • Puerto Rican
  • Cuban
  • Other Hispanic or Latino

Variables / Data Columns

  • Origin: This column displays the origin for Hispanic or Latino population for the San Mateo County
  • Population: The population of the specific origin for Hispanic or Latino population in the San Mateo County is shown in this column.
  • % of Total Hispanic Population: This column displays the percentage distribution of each Hispanic origin as a proportion of San Mateo County total Hispanic or Latino population. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for San Mateo County Population by Race & Ethnicity. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

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