Oldest ZIP codes in Brazoria County, TX

These are the 16 ZIP codes in Brazoria County with the highest median age, out of 16 with at least 1,000 residents. 77430 (Damon, 56.1), 77577 (Liverpool, 46.2) and 77422 (Brazoria, 41.6) lead the list. There is no single "best" ZIP code in Brazoria 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 Brazoria County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
177430Damon56.1 ±13.11,664676763
277577Liverpool46.2 ±4.51,562537538
377422Brazoria41.6 ±4.214,5474,7965,096
477517Santa Fe41.1 ±9.15,5291,8992,527
577515Angleton39.8 ±2.034,08812,39314,578
677480Sweeny38.7 ±5.07,6262,8473,034
777584Pearland37.6 ±0.691,06531,35934,441
877581Pearland37.5 ±1.251,33217,84718,633
977578Manvel36.9 ±1.230,2109,81413,292
1077566Lake Jackson36.5 ±1.930,24611,60713,138
1177583Rosharon36.4 ±1.152,74714,97622,182
1277541Freeport35.9 ±1.916,9966,2987,043
1377486West Columbia34.5 ±4.47,1952,7483,389
1477511Alvin34.2 ±1.751,89217,86621,402
1577534Danbury34.0 ±4.13,4031,008950
1677531Clute32.2 ±2.616,4066,5777,410

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 18 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 20,301 households, on 37 carrier routes with 23,502 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 77430 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 Brazoria County has the highest median age?
77430 (Damon), at 56.1 (±13.1), 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.