Oldest ZIP codes in Corpus Christi, TX
These are the 17 ZIP codes in Corpus Christi, TX with the highest median age, out of 17 with at least 1,000 residents. 78373 (Port Aransas, 52.8), 78404 (Corpus Christi, 47.5) and 78401 (Corpus Christi, 45.7) lead the list. There is no single "best" ZIP code in Corpus Christi; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Oldest ZIP codes in Corpus Christi
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 78373 | Port Aransas | 52.8 ±8.1 | 3,348 | 1,535 | 2,224 |
| 2 | 78404 | Corpus Christi | 47.5 ±3.8 | 12,635 | 5,396 | 6,129 |
| 3 | 78401 | Corpus Christi | 45.7 ±3.3 | 4,344 | 1,445 | 1,826 |
| 4 | 78418 | Corpus Christi | 43.6 ±2.5 | 29,790 | 12,292 | 16,307 |
| 5 | 78416 | Corpus Christi | 41.0 ±3.2 | 12,480 | 4,606 | 4,932 |
| 6 | 78408 | Corpus Christi | 40.2 ±2.4 | 10,111 | 3,932 | 4,146 |
| 7 | 78411 | Corpus Christi | 39.4 ±2.5 | 23,682 | 9,322 | 10,900 |
| 8 | 78413 | Corpus Christi | 38.1 ±2.2 | 34,289 | 13,917 | 15,606 |
| 9 | 78407 | Corpus Christi | 37.7 ±6.3 | 1,674 | 513 | 574 |
| 10 | 78406 | Corpus Christi | 37.5 ±4.4 | 2,301 | 322 | 407 |
| 11 | 78405 | Corpus Christi | 37.0 ±3.6 | 14,602 | 5,145 | 5,328 |
| 12 | 78417 | Corpus Christi | 36.7 ±4.6 | 4,703 | 1,595 | 1,895 |
| 13 | 78410 | Corpus Christi | 34.8 ±2.0 | 29,040 | 9,901 | 11,354 |
| 14 | 78415 | Corpus Christi | 33.9 ±1.4 | 43,080 | 14,653 | 15,048 |
| 15 | 78414 | Corpus Christi | 33.0 ±1.4 | 54,263 | 19,199 | 22,635 |
| 16 | 78409 | Corpus Christi | 32.6 ±2.2 | 2,937 | 1,054 | 1,051 |
| 17 | 78412 | Corpus Christi | 31.8 ±1.5 | 38,631 | 15,613 | 17,074 |
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; 17 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 25,274 households, on 52 carrier routes with 31,418 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 78373 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 Corpus Christi has the highest median age?
- 78373 (Port Aransas), at 52.8 (±8.1), among 17 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.