Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — RANKINGS/NM/OLDEST

ZIP Codes With the Oldest Population in New Mexico

What this measures. Median age of residents, ACS 5-year estimate. Source: Census American Community Survey, data release 2026-10-12.

# ZIP City County Median age
1 87943 Winston Sierra 88.0
2 88134 Taiban De Baca 86.1
3 87011 Claunch Socorro 80.2
4 88126 Pep Roosevelt 76.4
5 88422 Gladstone Union 76.3
6 88416 Conchas Dam San Miguel 76.1
7 88056 Rodeo Hidalgo 75.2
8 88324 Glencoe Lincoln 75.2
9 87049 San Fidel Cibola 74.5
10 87531 Embudo Taos 74.4
11 87046 Regina Rio Arriba 73.6
12 88053 Pinos Altos Grant 72.7
13 88344 Pinon Otero 72.0
14 87565 San Jose San Miguel 71.8
15 87931 Caballo Sierra 71.6
16 87736 Rainsville Mora 71.5
17 87832 San Antonio Socorro 71.3
18 87821 Datil Catron 70.7
19 88042 Hillsboro Sierra 70.5
20 87723 Holman Mora 70.4
21 87742 Rociada San Miguel 69.9
22 87510 Abiquiu Rio Arriba 69.4
23 87829 Quemado Catron 69.1
24 87064 Youngsville Rio Arriba 69.0
25 88120 Grady Quay 68.8
26 87735 Ojo Feliz Mora 68.4
27 88351 Tinnie Lincoln 68.4
28 88430 Nara Visa Quay 68.4
29 87516 Canones Rio Arriba 68.3
30 87051 San Rafael Cibola 68.1
31 87936 Garfield Doña Ana 67.9
32 87027 La Jara Sandoval 67.5
33 88136 Yeso De Baca 67.5
34 88426 Logan Harding 67.5
35 87583 Villanueva San Miguel 67.2
36 88025 Buckhorn Grant 66.6
37 87824 Luna Catron 65.7
38 87578 Truchas Rio Arriba 65.5
39 87520 Chama Rio Arriba 65.4
40 87083 Cochiti Lake Sandoval 65.2
41 87043 Placitas Sandoval 64.8
42 87512 Amalia Taos 64.1
43 87935 Elephant Butte Sierra 64.1
44 88118 Floyd Roosevelt 64.1
45 88414 Capulin Colfax 63.9
46 87939 Monticello Sierra 63.8
47 88336 Hondo Lincoln 63.8
48 87029 Lindrith Rio Arriba 63.7
49 87831 San Acacia Socorro 63.7
50 87543 Llano Taos 63.6

Showing the top 50 of 342 ZIP codes in New Mexico that have this figure . 87943 ranks 1st at 88.0, against 63.6 in 50th place.

Other rankings for New Mexico

Cite this page

zipcodes.pro. “ZIP Codes With the Oldest Population in New Mexico.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/nm/oldest

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