Which ZIP code in St. Louis County has the highest share of residents who moved in during the past year?

63105 (Saint Louis), at 25.0%, among 44 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 St. Louis County, MO

These are the 25 ZIP codes in St. Louis County with the highest share of residents who moved in during the past year, out of 44 with at least 1,000 residents. 63105 (Saint Louis, 25.0%), 63137 (Saint Louis, 22.1%) and 63117 (Saint Louis, 20.1%) lead the list. There is no single "best" ZIP code in St. Louis 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 St. Louis County

Rank	ZIP	Mailing city	Moved in the past year	Residents	Households	Residential mailboxes
1	63105	Saint Louis	25.0%	18,875	7,088	7,515
2	63137	Saint Louis	22.1%	19,684	8,104	7,527
3	63117	Saint Louis	20.1%	9,261	4,440	5,025
4	63143	Saint Louis	18.9%	8,975	4,825	5,187
5	63088	Valley Park	18.6%	8,226	4,146	4,300
6	63134	Saint Louis	17.2%	13,059	4,851	5,287
7	63130	Saint Louis	16.7%	28,910	12,580	12,990
8	63121	Saint Louis	15.9%	25,008	11,142	10,903
9	63132	Saint Louis	14.6%	14,283	5,997	6,095
10	63042	Hazelwood	14.5%	17,813	8,593	8,296
11	63146	Saint Louis	14.4%	30,678	14,551	15,543
12	63043	Maryland Heights	14.1%	21,924	9,402	9,703
13	63025	Eureka	13.7%	19,508	6,911	7,352
14	63138	Saint Louis	13.7%	18,233	7,339	7,398
15	63124	Saint Louis	13.5%	10,839	4,832	5,165
16	63017	Chesterfield	13.4%	43,243	17,957	18,881
17	63136	Saint Louis	13.0%	40,929	17,457	17,760
18	63135	Saint Louis	12.8%	18,381	7,997	8,147
19	63133	Saint Louis	12.7%	6,569	3,015	3,155
20	63038	Wildwood	12.4%	7,107	2,499	2,573
21	63141	Saint Louis	12.3%	20,932	8,751	9,034
22	63144	Saint Louis	12.2%	9,505	4,769	4,919
23	63125	Saint Louis	11.5%	33,294	13,820	14,726
24	63033	Florissant	10.8%	43,056	17,660	17,609
25	63074	Saint Ann	10.8%	15,793	6,976	6,926

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; 44 of 46 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 28,603 households, on 76 carrier routes with 29,554 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 63105 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in St. Louis County has the highest share of residents who moved in during the past year?: 63105 (Saint Louis), at 25.0%, among 44 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.