East Contra Costa News

In 2019, 29,284 people moved to Contra Costa County from across the U.S and other countries, according to migration data from the Internal Revenue Service.

This is an increase over the year before, when 26,991 people migrated to Contra Costa County.

The number of people moving to Contra Costa County is offset by the 30,732 residents who left the area during the same year.

There were 28,634 people who left the year before.

Migration data for the U.S. is based on year-to-year address changes reported on individual income tax returns filed with the IRS.

According to the U.S. Census Bureau, most U.S. regions saw their numbers shrink.

The Northeast region of the U.S. suffered the greatest losses, while the Midwest saw population growth.

The U.S. Census Bureau found migration within the country mainly flows to the South, with many people moving to areas of Florida and Texas.

Years	Inflow	Outflow	Domestic Migration
2017-2018	28,243	29,489	-1,246
2018-2019	26,991	28,634	-1,643
2019-2020	29,284	30,732	-1,448