Who's moving to and from Contra Costa County, California?

More left than arrived in 2022–23: 42,594 people in, 47,604 out. Most were moving between California counties.

See where they went ↓
Net change
−5,010 people
−3,856 households
Arrivals' income
$133.1k
avg income reported on the second-year tax return
Leavers' income
$131.0k
avg income reported on the second-year tax return

Where people leaving Contra Costa County went in California

Orange lines show departures · thicker line = more people

Moves to and from other California counties, 2022–23. Out-of-state moves, like Harris County, TX, are listed below.

Where did newcomers come from?

About 8 in 10 already lived in California. People, 2022–23.

  1. Alameda County12,831
  2. San Francisco County3,554
  3. Santa Clara County3,245
  4. San Mateo County2,428
  5. Solano County2,147
  6. San Joaquin County1,366
  7. Los Angeles County1,306
  8. Smaller moves from many other places (each under 20 households)4,331

Where did people go?

About 6 in 10 who left stayed in California. People, 2022–23.

  1. Alameda County7,605
  2. Solano County3,871
  3. San Francisco County2,309
  4. Sacramento County1,960
  5. San Joaquin County1,931
  6. Santa Clara County1,540
  7. Los Angeles County1,396
  8. Smaller moves to many other places (each under 20 households)6,190

Not counted above

Arrived from abroad
388 people
Left for abroad
680 people

Moves abroad are never included in net change.

Is Contra Costa usually growing from moves?

No. More households have left than arrived every year since 2016–17.

Net migration · households (tax returns)
13–1414–1515–1616–1717–1818–1919–2020–2121–22−3,85622–23††‡†
Net migration of Contra Costa County (Net migration · households (tax returns))
YearValue
2013–14+2,386
2014–15 †+1,277
2015–16+1,884
2016–17 †−169
2017–18−1,248
2018–19 ‡−1,638
2019–20−1,449
2020–21−3,609
2021–22−4,999
2022–23 †−3,856

The IRS changed its processing in 2014–15, 2016–17 and 2022–23. Compare years between the dotted lines. ‡ County disclosure-method change in 2018–19: small counts began being deleted rather than reassigned to similar categories. County figures across this break may not be comparable.

Cite this page

Moved Where. “Who's moving to and from Contra Costa County, California?” movedwhere.com/county/contra-costa-county-ca. Data: IRS Statistics of Income migration data, 2022–23.