2025

Counties in California ranked by Non-Hispanic Asian Population

This list ranks the 55 counties in California based on their Non-Hispanic Asian population, as estimated by the United States Census Bureau. It also highlights population changes in these counties over the past five years.
Updated Feb 13, 2025

Top 5 counties with the largest Non-Hispanic Asian population in California

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  • 1
    Los Angeles County
    Non-Hispanic Asian population in Los Angeles County is 1,458,413
    12.58% of Los Angeles County population is Non-Hispanic Asian
  • 2
    Santa Clara County
    Non-Hispanic Asian population in Santa Clara County is 748,112
    34.40% of Santa Clara County population is Non-Hispanic Asian
  • 3
    Orange County
    Non-Hispanic Asian population in Orange County is 687,982
    18.78% of Orange County population is Non-Hispanic Asian
  • 4
    Alameda County
    Non-Hispanic Asian population in Alameda County is 528,377
    28.41% of Alameda County population is Non-Hispanic Asian
  • 5
    San Diego County
    Non-Hispanic Asian population in San Diego County is 390,843
    9.98% of San Diego County population is Non-Hispanic Asian

List of 55 counties in California by Non-Hispanic Asian Population

View Methodology
Rank by Non-Hispanic Asian Population
County
Non-Hispanic Asian Population
% of Total County Population
% of Total California Non-Hispanic Asian Population
5 Year Rank Trend
1 Los Angeles County 1,458,413 12.58% 24.69%
2 Santa Clara County 748,112 34.40% 12.67%
3 Orange County 687,982 18.78% 11.65%
4 Alameda County 528,377 28.41% 8.95%
5 San Diego County 390,843 9.98% 6.62%
6 San Francisco County 290,116 31.06% 4.91%
7 Sacramento County 272,583 14.95% 4.62%
8 226,967 26.82% 3.84%
9 212,373 15.75% 3.60%
10 172,091 6.57% 2.91%
11 167,441 5.70% 2.83%
12 137,718 14.17% 2.33%
13 108,809 8.80% 1.84%
14 70,209 13.36% 1.19%
15 59,234 5.78% 1.00%
16 44,565 4.00% 0.75%
17 36,644 7.80% 0.62%
18 31,630 4.55% 0.54%
19 31,568 12.33% 0.53%
20 24,038 4.81% 0.41%
21 22,846 4.14% 0.39%
22 20,857 3.74% 0.35%
23 19,976 6.18% 0.34%
24 16,877 14.57% 0.29%
25 16,241 2.79% 0.27%
26 15,755 5.47% 0.27%
27 12,004 3.93% 0.20%
28 11,010 4.65% 0.19%
29 10,570 6.74% 0.18%
30 9,640 4.55% 0.16%
31 9,550 2.93% 0.16%
32 6,195 6.27% 0.10%
33 6,073 2.98% 0.10%
34 5,338 2.88% 0.09%
35 4,101 2.67% 0.07%
36 3,773 1.99% 0.06%
37 2,287 1.00% 0.04%
38 2,102 2.37% 0.04%
39 1,985 1.87% 0.03%
40 1,545 1.37% 0.03%
41 1,171 1.54% 0.02%
42 1,066 2.08% 0.02%
43 821 2.68% 0.01%
44 777 2.36% 0.01%
45 710 0.92% 0.01%
46 697 1.42% 0.01%
47 686 1.14% 0.01%
48 587 1.25% 0.01%
49 496 1.39% 0.01%
50 297 1.38% 0.01%
51 291 1.90% -
52 103 1.09% -
53 101 0.38% -
54 90 0.42% -

List of counties with no Non-Hispanic Asian Population in California

According to data from the United States Census Bureau, the following counties in California have no recorded Non-Hispanic Asian population*:
  • Sierra County
* These counties were not included in the ranking above, as they do not meet the population criteria. It is possible that a small population exists but was not reported or captured due to limitations or variations in Census data collection and reporting.

Methodology

This ranking list is based on data from the American Community Survey (ACS) 5-Year Estimates, conducted by the U.S. Census Bureau. The ACS is one of the most reliable sources for understanding population trends across different locations, and it provides estimates for various racial and ethnic groups at city, county, state and all geography levels down to the Census block group.
This list ranks counties in California by their Non-Hispanic Asian population, using the most recent ACS data available.

How the Census Defines Non-Hispanic Asian Population

The U.S. Census Bureau allows people to self-identify their race, meaning individuals can choose one or more racial categories when responding to the survey. In this ranking, we include everyone who identifies as Non-Hispanic Asian, whether alone or in combination with another race.
Here are a few important things to know about how race is reported:
  • Some people identify as Non-Hispanic Asian alone, while others identify as Non-Hispanic Asian along with another race (such as Non-Hispanic Asian and White).
  • Hispanic / Latino origin is reported separately from race, so someone can be both Hispanic and Non-Hispanic Asian .
  • We’ve used the “Non-Hispanic Asian alone or in combination” category unless noted otherwise, which gives a broader picture of the Non-Hispanic Asian population in each area.

How We Ranked the Data

This ranking is based on the total number of people who identified as Non-Hispanic Asian alone or in combination in counties. To provide additional context, we’ve also included two key percentages:
  1. % of Total County Population – This shows what percentage of the total state population identifies as Non-Hispanic Asian .
  2. % of Total California Non-Hispanic Asian Population – This tells us how much of the entire U.S. Non-Hispanic Asian population lives in that state.
To keep things simple, all population numbers have been rounded to the nearest whole number, and percentages are rounded to one decimal place. Because of rounding, some percentages may not add up to exactly 100%.

Things to Keep in Mind

Like all survey-based data, ACS estimates come with some limitations. Here are a few things to be aware of:
  • In places with very small Non-Hispanic Asian populations, the numbers may not be reported at all due to privacy protections or sampling variability in the survey.
  • Since the ACS is based on a sample, the numbers are estimates, not exact counts. That means they may slightly differ from other sources like the decennial U.S. Census.
  • Counties that don’t have any reported Non-Hispanic Asian population are not included in the ranking but are listed separately below for reference.
This ranking is meant to provide a clear, data-driven look at where Non-Hispanic Asian populations are most concentrated while keeping the numbers easy to understand.

Sources

U.S. Census Bureau American Community Survey (ACS) 2019-2023 5-Year Estimates.