Which ZIP code in Contra Costa County has the highest share of residents who moved in during the past year?

94511 (Bethel Island), at 19.7%, among 43 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

ZIP codes with the most new movers in Contra Costa County, CA

These are the 25 ZIP codes in Contra Costa County with the highest share of residents who moved in during the past year, out of 43 with at least 1,000 residents. 94511 (Bethel Island, 19.7%), 94596 (Walnut Creek, 19.0%) and 94597 (Walnut Creek, 17.4%) lead the list. There is no single "best" ZIP code in Contra Costa County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

ZIP codes with the most new movers in Contra Costa County

Rank	ZIP	Mailing city	Moved in the past year	Residents	Households	Residential mailboxes
1	94511	Bethel Island	19.7%	1,864	863	—
2	94596	Walnut Creek	19.0%	23,417	11,009	11,719
3	94597	Walnut Creek	17.4%	23,129	10,782	11,701
4	95219	Stockton	15.2%	31,713	11,517	12,387
5	94530	El Cerrito	15.0%	26,401	11,021	11,153
6	94520	Concord	13.5%	37,381	13,721	14,012
7	94556	Moraga	13.0%	15,998	5,614	6,003
8	94523	Pleasant Hill	12.8%	34,592	13,452	14,705
9	94595	Walnut Creek	12.0%	16,988	9,368	10,249
10	94582	San Ramon	11.6%	47,424	16,466	16,067
11	94598	Walnut Creek	11.5%	27,206	10,828	10,876
12	94551	Livermore	11.1%	37,885	14,052	14,716
13	94526	Danville	10.9%	32,584	11,843	12,489
14	94518	Concord	10.8%	27,345	10,124	10,470
15	94531	Antioch	10.6%	46,387	13,905	15,350
16	94588	Pleasanton	10.5%	34,328	12,465	12,794
17	94583	San Ramon	10.3%	39,583	13,890	14,426
18	94507	Alamo	10.3%	14,586	5,098	5,496
19	94549	Lafayette	10.2%	28,420	10,682	11,250
20	94565	Pittsburg	10.1%	100,488	30,537	32,143
21	94514	Byron	10.0%	1,953	576	218
22	94519	Concord	9.9%	19,058	7,043	7,200
23	94553	Martinez	9.8%	48,643	19,141	20,109
24	94506	Danville	9.8%	27,055	9,185	8,802
25	94806	San Pablo	9.4%	62,546	20,538	20,522

How we ranked them

Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files. ZIP codes need at least 1,000 residents to be ranked; 43 of 47 qualify.

Which of these to mail, and why

New residents are still choosing a dentist, a gym, a pizza place and a lawn service. ZIP codes with high turnover give a welcome offer more people to work on each year.

The top five ZIP codes on this list hold 45,192 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 94511 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Contra Costa County has the highest share of residents who moved in during the past year?: 94511 (Bethel Island), at 19.7%, among 43 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the share of residents (age 1 and over) who lived in a different home a year earlier (ACS Data Profile, 2020–2024). No margin of error is published for this share in our files.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.