Which ZIP code in Galveston County has the lowest median age?

77518 (Bacliff), at 32.4 (±2.1), among 16 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.

Youngest ZIP codes in Galveston County, TX

These are the 16 ZIP codes in Galveston County with the lowest median age, out of 16 with at least 1,000 residents. 77518 (Bacliff, 32.4), 77591 (Texas City, 32.6) and 77511 (Alvin, 34.2) lead the list. There is no single "best" ZIP code in Galveston County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Youngest ZIP codes in Galveston County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	77518	Bacliff	32.4 ±2.1	9,541	3,650	4,026
2	77591	Texas City	32.6 ±3.2	18,294	6,985	8,151
3	77511	Alvin	34.2 ±1.7	51,892	17,866	21,402
4	77539	Dickinson	35.0 ±1.3	49,375	17,813	19,217
5	77568	La Marque	37.4 ±2.9	23,083	9,006	10,863
6	77573	League City	37.8 ±0.7	98,109	35,988	37,717
7	77551	Galveston	39.4 ±3.1	21,696	9,412	9,983
8	77563	Hitchcock	39.5 ±5.5	9,955	4,052	5,001
9	77550	Galveston	39.6 ±2.8	23,489	11,860	13,506
10	77590	Texas City	40.3 ±2.5	31,642	12,900	12,258
11	77546	Friendswood	40.8 ±1.3	54,789	19,508	20,316
12	77517	Santa Fe	41.1 ±9.1	5,529	1,899	2,527
13	77510	Santa Fe	44.2 ±2.2	14,155	5,441	6,517
14	77565	Kemah	46.4 ±3.2	6,943	3,196	4,675
15	77554	Galveston	56.6 ±1.1	10,414	5,135	7,210
16	77650	Port Bolivar	62.9 ±3.4	2,322	1,367	—

How we ranked them

Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 16 of 19 qualify.

Which of these to mail, and why

Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.

The top five ZIP codes on this list hold 55,320 households, on 84 carrier routes with 63,659 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 77518 on the EDDM route map

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Frequently asked questions

Which ZIP code in Galveston County has the lowest median age?: 77518 (Bacliff), at 32.4 (±2.1), among 16 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024).
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.