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

78666 (San Marcos), at 28.8%, among 11 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 Guadalupe County, TX

These are the 11 ZIP codes in Guadalupe County with the highest share of residents who moved in during the past year, out of 11 with at least 1,000 residents. 78666 (San Marcos, 28.8%), 78130 (New Braunfels, 16.5%) and 78124 (Marion, 16.4%) lead the list. There is no single "best" ZIP code in Guadalupe 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 Guadalupe County

Rank	ZIP	Mailing city	Moved in the past year	Residents	Households	Residential mailboxes
1	78666	San Marcos	28.8%	88,583	33,949	40,618
2	78130	New Braunfels	16.5%	104,009	40,747	48,800
3	78124	Marion	16.4%	6,157	2,378	3,954
4	78155	Seguin	14.4%	55,600	21,007	26,649
5	78648	Luling	12.7%	7,863	3,274	3,344
6	78154	Schertz	12.0%	41,907	15,558	17,676
7	78108	Cibolo	10.6%	49,784	15,914	18,386
8	78638	Kingsbury	9.3%	2,135	706	1,121
9	78123	Mc Queeney	8.7%	2,127	878	1,083
10	78655	Martindale	8.2%	3,730	1,388	919
11	78121	La Vernia	7.2%	16,120	5,274	6,223

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; 11 of 12 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 101,355 households, on 148 carrier routes with 123,365 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 78666 on the EDDM route map

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Frequently asked questions

Which ZIP code in Guadalupe County has the highest share of residents who moved in during the past year?: 78666 (San Marcos), at 28.8%, among 11 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.