Which ZIP code in Solano County has the fastest population growth?

95612 (Clarksburg), at 41.2%, among 17 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.

Fastest-growing ZIP codes in Solano County, CA

These are the 17 ZIP codes in Solano County with the fastest population growth, out of 17 with at least 1,000 residents. 95612 (Clarksburg, 41.2%), 95690 (Walnut Grove, 9.8%) and 95688 (Vacaville, 7.9%) lead the list. There is no single "best" ZIP code in Solano County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Fastest-growing ZIP codes in Solano County

Rank	ZIP	Mailing city	Population change	Residents	Households	Residential mailboxes
1	95612	Clarksburg	41.2%	1,865	486	284
2	95690	Walnut Grove	9.8%	2,431	758	534
3	95688	Vacaville	7.9%	40,201	14,158	14,560
4	94503	American Canyon	7.7%	21,841	6,063	7,078
5	94591	Vallejo	5.5%	58,193	20,040	20,055
6	94534	Fairfield	5.0%	41,203	14,036	15,280
7	94533	Fairfield	3.8%	78,805	25,174	27,156
8	94571	Rio Vista	3.5%	10,974	5,219	5,801
9	94535	Travis Afb	2.9%	3,952	1,054	1,274
10	95694	Winters	2.5%	10,759	3,503	3,812
11	95620	Dixon	1.2%	22,223	7,651	8,763
12	95687	Vacaville	0.5%	69,390	22,802	26,252
13	94590	Vallejo	-0.4%	37,128	15,762	15,997
14	94585	Suisun City	-0.6%	29,357	9,643	9,777
15	95618	Davis	-4.5%	26,267	9,831	11,286
16	94589	Vallejo	-4.9%	29,990	9,531	9,968
17	94510	Benicia	-5.6%	26,749	11,051	11,291

How we ranked them

Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents. ZIP codes need at least 1,000 residents to be ranked; 17 of 20 qualify.

Which of these to mail, and why

Growing ZIP codes add households every year, which means new homes, new routes and customers without a go-to provider yet. Check the route map: new subdivisions can appear as new carrier routes.

The top five ZIP codes on this list hold 41,505 households, on 77 carrier routes with 42,511 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 95612 on the EDDM route map

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Frequently asked questions

Which ZIP code in Solano County has the fastest population growth?: 95612 (Clarksburg), at 41.2%, among 17 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have 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.

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