Net international migration, July to June in Contra Costa County
Net international migration, July to June in Contra Costa County was 4,331 in 2025, according to the U.S. Census Bureau. That is down 54% from 2024. That is the 9th highest of 58 counties in 2025.
Net international migration, July to June in Contra Costa County, 2011 to 2025
All 15 values
| Period | persons |
|---|---|
| 2025 | 4,331 Estimated |
| 2024 | 9,415 Estimated |
| 2023 | 9,735 Estimated |
| 2022 | 7,368 Estimated |
| 2021 | 1,676 Estimated |
| 2020 | 1,515 Estimated |
| 2019 | 1,877 Estimated |
| 2018 | 3,138 Estimated |
| 2017 | 4,312 Estimated |
| 2016 | 4,854 Estimated |
| 2015 | 5,125 Estimated |
| 2014 | 4,027 Estimated |
| 2013 | 3,426 Estimated |
| 2012 | 2,705 Estimated |
| 2011 | 3,007 Estimated |
Compared with California and United States
| Place | 2025 |
|---|---|
| Contra Costa County | 4,331 |
| California | 109,278 |
| United States | 1,262,202 |
Contra Costa County compared with nearby places
- Under 0
- 0 to 700
- 700 and over
Rankings
- US states by net international migration, July to June
- Counties in California by net international migration, July to June
Definition
Estimated moves into the area from abroad minus moves out of the area to other countries, from July 1 of the previous year through June 30 of the reported year. United States: Census Bureau estimates, including people born in the United States and abroad, moves between the states and Puerto Rico, and net movement of the Armed Forces overseas.
More on how it is measured
- Canada: Statistics Canada immigrants, minus net emigration, plus the net change in non-permanent residents.
- Australia: ABS net overseas migration for the financial year.
- United Kingdom local authorities: Office for National Statistics mid-year estimates, counting people who move for at least 12 months.
A component of each country's official population estimates. Methods differ between the statistical offices, so compare places within a country first. Differs from the World Bank net_migration series, which uses calendar years and a different method.
How to cite
U.S. Census Bureau. Population Estimates Program: net international migration, 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
APA 7
U.S. Census Bureau. (2026). Population Estimates Program: net international migration, 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 (Net international migration, July to June, Contra Costa County, 2011 to 2025) [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, 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, Net international migration, July to June, Contra Costa County, 2011 to 2025. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/en/net-international-migration-july-june/contra-costa-county-california. Accessed 12 Oct. 2026.
Chicago (author-date)
U.S. Census Bureau. 2026. Population Estimates Program: net international migration, 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. Net international migration, July to June, Contra Costa County, 2011 to 2025. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/en/net-international-migration-july-june/contra-costa-county-california.
Harvard
U.S. Census Bureau (2026) Population Estimates Program: net international migration, 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, Net international migration, July to June, Contra Costa County, 2011 to 2025 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/en/net-international-migration-july-june/contra-costa-county-california (Accessed: 12 October 2026).
BibTeX
@misc{census_net_international_migration_july_2025,
author = {{U.S. Census Bureau}},
title = {{Population Estimates Program: net international migration, 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: Net international migration, July to June, Contra Costa County, 2011 to 2025}},
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/en/net-international-migration-july-june/contra-costa-county-california. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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, 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: Net international migration, July to June, Contra Costa County, 2011 to 2025
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/en/net-international-migration-july-june/contra-costa-county-california
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/en/net-international-migration-july-june/contra-costa-county-california.
N1 - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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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What is the latest net international migration, July to June in Contra Costa County? Cite the source.
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What is the net international migration, July to June in Contra Costa County?
Net international migration, July to June in Contra Costa County was 4,331 in 2025, according to the U.S. Census Bureau. That is down 54% from 2024. That is the 9th highest of 58 counties in 2025.
Where does this figure come from?
U.S. Census Bureau. Population Estimates Program: net international migration, 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 by Invokely on 2026-10-12.
What was the highest net international migration, July to June in Contra Costa County?
9,735 in 2023, the highest value since 2011 in this series.
Related statistics for Contra Costa County
- Median age on 1 July (US county estimates)
- Median age
- Net domestic migration, July to June
- Residents who moved from another state in the past year
- Coronary heart disease in adults, local model estimate
- County house price index, 1990 = 100
- Uninsured rate, 65 and over (US, ACS)
- Housing units authorized by building permits
All statistics for Contra Costa County | Contra Costa County in figures