Richest ZIP codes in Galveston County, TX
These are the 16 ZIP codes in Galveston County with the highest median household income, out of 16 with at least 1,000 residents. 77546 (Friendswood, $123,756), 77573 (League City, $122,722) and 77510 (Santa Fe, $102,651) 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.
Richest ZIP codes in Galveston County
| Rank | ZIP | Mailing city | Median household income | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 77546 | Friendswood | $123,756 ±$6,644 | 54,789 | 19,508 | 20,316 |
| 2 | 77573 | League City | $122,722 ±$7,914 | 98,109 | 35,988 | 37,717 |
| 3 | 77510 | Santa Fe | $102,651 ±$9,523 | 14,155 | 5,441 | 6,517 |
| 4 | 77565 | Kemah | $95,268 ±$14,536 | 6,943 | 3,196 | 4,675 |
| 5 | 77539 | Dickinson | $89,111 ±$3,399 | 49,375 | 17,813 | 19,217 |
| 6 | 77517 | Santa Fe | $88,567 ±$17,900 | 5,529 | 1,899 | 2,527 |
| 7 | 77554 | Galveston | $86,490 ±$9,885 | 10,414 | 5,135 | 7,210 |
| 8 | 77563 | Hitchcock | $75,806 ±$11,629 | 9,955 | 4,052 | 5,001 |
| 9 | 77511 | Alvin | $74,939 ±$6,297 | 51,892 | 17,866 | 21,402 |
| 10 | 77568 | La Marque | $74,694 ±$8,904 | 23,083 | 9,006 | 10,863 |
| 11 | 77591 | Texas City | $68,593 ±$11,418 | 18,294 | 6,985 | 8,151 |
| 12 | 77590 | Texas City | $65,801 ±$11,149 | 31,642 | 12,900 | 12,258 |
| 13 | 77650 | Port Bolivar | $61,745 ±$46,525 | 2,322 | 1,367 | — |
| 14 | 77551 | Galveston | $58,344 ±$6,931 | 21,696 | 9,412 | 9,983 |
| 15 | 77518 | Bacliff | $51,458 ±$13,725 | 9,541 | 3,650 | 4,026 |
| 16 | 77550 | Galveston | $45,047 ±$5,353 | 23,489 | 11,860 | 13,506 |
How we ranked them
Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population. ZIP codes need at least 1,000 residents to be ranked; 16 of 19 qualify.
Which of these to mail, and why
Higher-income ZIP codes suit offers with a bigger ticket: remodeling, pools, roofing, financial planning, private schools, premium dining. A median describes the middle household, not every door, so the routes inside each ZIP still vary.
The top five ZIP codes on this list hold 81,946 households, on 127 carrier routes with 88,442 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 77546 on the EDDM route map
More rankings
- ZIP codes with the highest home values in Galveston County
- ZIP codes with the highest homeownership in Galveston County
- ZIP codes with the most families with kids in Galveston County
- ZIP codes with the most new movers in Galveston County
- Youngest ZIP codes in Galveston County
- Oldest ZIP codes in Galveston County
- Fastest-growing ZIP codes in Galveston County
- Richest ZIP codes in the Houston area
- All Galveston County ZIP codes
Businesses that mail these ZIP codes
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EDDM guides
Frequently asked questions
- Which ZIP code in Galveston County has the highest median household income?
- 77546 (Friendswood), at $123,756 (±$6,644), among 16 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median household income (ACS 5-year estimates, 2020–2024). The Census Bureau caps published medians at $250,000; ZIP codes at the cap are shown as $250,000+ and ordered by population.
- 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.