Data / Rankings / Net international migration rate, July to June / Counties in California

Counties in California by net international migration rate, July to June

Santa Clara County had the highest net international migration rate, July to June of 58 counties in 2023, at 17.41 per 1,000 inhabitants. Trinity County had the lowest, at -0.19 per 1,000 inhabitants. The median was 3.64 per 1,000 inhabitants and the figure for California was 7.46 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest17.41Santa Clara County
Lowest-0.19Trinity County
Median3.6458 counties
California7.46History

All counties, 2023

Santa Clara County: 17.41 per 1,000 inhabitantsSanta Clara County17.41San Mateo County: 13.78 per 1,000 inhabitantsSan Mateo County13.78Alameda County: 12.32 per 1,000 inhabitantsAlameda County12.32San Francisco County: 11.83 per 1,000 inhabitantsSan Francisco County11.83Sacramento County: 10.15 per 1,000 inhabitantsSacramento County10.15Mono County: 9.44 per 1,000 inhabitantsMono County9.44Yolo County: 9.39 per 1,000 inhabitantsYolo County9.39Los Angeles County: 8.56 per 1,000 inhabitantsLos Angeles County8.56Sutter County: 8.44 per 1,000 inhabitantsSutter County8.44Contra Costa County: 8.38 per 1,000 inhabitantsContra Costa County8.38Fresno County: 8.18 per 1,000 inhabitantsFresno County8.18Imperial County: 8.11 per 1,000 inhabitantsImperial County8.11San Joaquin County: 8.03 per 1,000 inhabitantsSan Joaquin County8.03Orange County: 6.79 per 1,000 inhabitantsOrange County6.79Marin County: 6.73 per 1,000 inhabitantsMarin County6.73Solano County: 6.07 per 1,000 inhabitantsSolano County6.07San Diego County: 5.47 per 1,000 inhabitantsSan Diego County5.47Stanislaus County: 5.34 per 1,000 inhabitantsStanislaus County5.34Santa Barbara County: 5.32 per 1,000 inhabitantsSanta Barbara County5.32Merced County: 5.24 per 1,000 inhabitantsMerced County5.24San Bernardino County: 4.78 per 1,000 inhabitantsSan Bernardino County4.78Kern County: 4.64 per 1,000 inhabitantsKern County4.64Placer County: 4.44 per 1,000 inhabitantsPlacer County4.44Sonoma County: 4.43 per 1,000 inhabitantsSonoma County4.43Monterey County: 4.38 per 1,000 inhabitantsMonterey County4.38Napa County: 3.92 per 1,000 inhabitantsNapa County3.92Riverside County: 3.84 per 1,000 inhabitantsRiverside County3.84Mendocino County: 3.76 per 1,000 inhabitantsMendocino County3.76Modoc County: 3.73 per 1,000 inhabitantsModoc County3.73Glenn County: 3.54 per 1,000 inhabitantsGlenn County3.54Ventura County: 3.38 per 1,000 inhabitantsVentura County3.38Madera County: 3.36 per 1,000 inhabitantsMadera County3.36Kings County: 3.25 per 1,000 inhabitantsKings County3.25Tulare County: 3.15 per 1,000 inhabitantsTulare County3.15Colusa County: 2.87 per 1,000 inhabitantsColusa County2.87Mariposa County: 2.82 per 1,000 inhabitantsMariposa County2.82Santa Cruz County: 2.62 per 1,000 inhabitantsSanta Cruz County2.62Lake County: 2.42 per 1,000 inhabitantsLake County2.42Yuba County: 2.2 per 1,000 inhabitantsYuba County2.2San Luis Obispo County: 2.08 per 1,000 inhabitantsSan Luis Obispo County2.08Butte County: 1.86 per 1,000 inhabitantsButte County1.86Tehama County: 1.81 per 1,000 inhabitantsTehama County1.81Shasta County: 1.8 per 1,000 inhabitantsShasta County1.8Alpine County: 1.77 per 1,000 inhabitantsAlpine County1.77San Benito County: 1.77 per 1,000 inhabitantsSan Benito County1.77El Dorado County: 1.75 per 1,000 inhabitantsEl Dorado County1.75Lassen County: 1.63 per 1,000 inhabitantsLassen County1.63Plumas County: 1.25 per 1,000 inhabitantsPlumas County1.25Nevada County: 1.09 per 1,000 inhabitantsNevada County1.09Humboldt County: 1.04 per 1,000 inhabitantsHumboldt County1.04Amador County: 0.99 per 1,000 inhabitantsAmador County0.99Calaveras County: 0.97 per 1,000 inhabitantsCalaveras County0.97Siskiyou County: 0.9 per 1,000 inhabitantsSiskiyou County0.9Inyo County: 0.7 per 1,000 inhabitantsInyo County0.7Tuolumne County: 0.54 per 1,000 inhabitantsTuolumne County0.54Sierra County: 0 per 1,000 inhabitantsSierra County0Del Norte County: -0.11 per 1,000 inhabitantsDel Norte County-0.11Trinity County: -0.19 per 1,000 inhabitantsTrinity County-0.19
per 1,000 inhabitants. Source: U.S. Census Bureau, Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.

Full ranking

RankCounties2023
per 1,000 inhabitants		Change on 2022
1Santa Clara County Estimated17.41+3.57 pts
2San Mateo County Estimated13.78+3.41 pts
3Alameda County Estimated12.32+2.68 pts
4San Francisco County Estimated11.83+2.21 pts
5Sacramento County Estimated10.15+3.1 pts
6Mono County Estimated9.44+2.5 pts
7Yolo County Estimated9.39+1.48 pts
8Los Angeles County Estimated8.56+2.19 pts
9Sutter County Estimated8.44+4.12 pts
10Contra Costa County Estimated8.38+2.05 pts
11Fresno County Estimated8.18+3.8 pts
12Imperial County Estimated8.11+2.68 pts
13San Joaquin County Estimated8.03+2.84 pts
14Orange County Estimated6.79+1.56 pts
15Marin County Estimated6.73+1.02 pts
16Solano County Estimated6.07+1.88 pts
17San Diego County Estimated5.47+1.39 pts
18Stanislaus County Estimated5.34+1.9 pts
19Santa Barbara County Estimated5.32+1.16 pts
20Merced County Estimated5.24+1.83 pts
21San Bernardino County Estimated4.78+1.64 pts
22Kern County Estimated4.64+1.75 pts
23Placer County Estimated4.44+1.68 pts
24Sonoma County Estimated4.43+1.77 pts
25Monterey County Estimated4.38+0.79 pts
26Napa County Estimated3.92+1.01 pts
27Riverside County Estimated3.84+1.33 pts
28Mendocino County Estimated3.76+1.65 pts
29Modoc County Estimated3.73+2.22 pts
30Glenn County Estimated3.54+2 pts
31Ventura County Estimated3.38+1.02 pts
32Madera County Estimated3.36+1.9 pts
33Kings County Estimated3.25+1.76 pts
34Tulare County Estimated3.15+1.12 pts
35Colusa County Estimated2.87+1.32 pts
36Mariposa County Estimated2.82-0.45 pts
37Santa Cruz County Estimated2.62+0.75 pts
38Lake County Estimated2.42+1.18 pts
39Yuba County Estimated2.2+0.14 pts
40San Luis Obispo County Estimated2.08+0.72 pts
41Butte County Estimated1.86+0.55 pts
42Tehama County Estimated1.81+1.46 pts
43Shasta County Estimated1.8+0.3 pts
44Alpine County Estimated1.77+0.92 pts
45San Benito County Estimated1.77+1.3 pts
46El Dorado County Estimated1.75+0.41 pts
47Lassen County Estimated1.63+0.34 pts
48Plumas County Estimated1.25+0.28 pts
49Nevada County Estimated1.09+0.55 pts
50Humboldt County Estimated1.04-0 pts
51Amador County Estimated0.99+0.09 pts
52Calaveras County Estimated0.97+0.49 pts
53Siskiyou County Estimated0.9+0.38 pts
54Inyo County Estimated0.7+0.38 pts
55Tuolumne County Estimated0.54+0.08 pts
56Sierra County Estimated0-0.62 pts
57Del Norte County Estimated-0.11-0.22 pts
58Trinity County Estimated-0.19+0.12 pts

Other periods

About this ranking

Net international migration from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021 (Counties in California by net international migration rate, July to June, 2023) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html

MLA 9

Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in California by net international migration rate, July to June, 2023. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Counties in California by net international migration rate, July to June, 2023. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in California by net international migration rate, July to June, 2023 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_california_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in California by net international migration rate, July to June, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in California by net international migration rate, July to June, 2023
PY  - 2026
DA  - 2026/03/26
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2  - https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/california-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest net international migration rate, July to June?

Santa Clara County, with 17.41 per 1,000 inhabitants in 2023, according to the U.S. Census Bureau.

Which county has the lowest net international migration rate, July to June?

Trinity County, with -0.19 per 1,000 inhabitants in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: net international migration rate per 1,000 residents, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.

Net international migration rate, July to June: other rankings

Counties in California: more rankings