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

77650 (Port Bolivar), at 62.9 (±3.4), 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.

Oldest ZIP codes in Galveston County, TX

These are the 16 ZIP codes in Galveston County with the highest median age, out of 16 with at least 1,000 residents. 77650 (Port Bolivar, 62.9), 77554 (Galveston, 56.6) and 77565 (Kemah, 46.4) 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.

Oldest ZIP codes in Galveston County

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

How we ranked them

Ranked by median age of all residents, highest 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

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 17,038 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 77650 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Galveston County has the highest median age?: 77650 (Port Bolivar), at 62.9 (±3.4), among 16 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest 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.