Oldest ZIP codes in San Juan County, NM

These are the 18 ZIP codes in San Juan County with the highest median age, out of 18 with at least 1,000 residents. 87415 (Flora Vista, 50.9), 81137 (Ignacio, 46.1) and 87455 (Newcomb, 42.8) lead the list. There is no single "best" ZIP code in San Juan 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 San Juan County

RankZIPMailing cityMedian ageResidentsHouseholdsResidential mailboxes
187415Flora Vista50.9 ±25.12,273858—
281137Ignacio46.1 ±5.05,5712,231—
387455Newcomb42.8 ±5.21,480518—
487461Sanostee42.0 ±7.31,307459—
587410Aztec41.8 ±2.415,0125,5716,267
687402Farmington39.9 ±2.811,4183,9854,332
787037Nageezi39.8 ±9.41,481405—
886514Teec Nos Pos39.2 ±5.02,51977964
987325Tohatchi38.2 ±7.52,178668—
1087401Farmington37.8 ±1.145,22916,369—
1187416Fruitland37.1 ±3.24,5461,405123
1287421Waterflow36.8 ±8.11,468466—
1387420Shiprock36.4 ±2.410,5863,2521
1487313Crownpoint35.2 ±1.74,9711,616—
1587417Kirtland35.0 ±5.76,6241,662—
1687364Sheep Springs33.4 ±3.41,632474—
1787413Bloomfield32.7 ±2.714,2964,866—
1887328Navajo29.6 ±2.53,043885—

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; 18 of 22 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 9,637 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 87415 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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EDDM guides

Frequently asked questions

Which ZIP code in San Juan County has the highest median age?
87415 (Flora Vista), at 50.9 (±25.1), among 18 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.