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 — CITY/NM/LOS-ALAMOS

Los Alamos ZIP codes, New Mexico

Los Alamos, NM has 2 ZIP codes (87544 and 87545) and area code 505. The largest is 87544.

USPS city name
2 ZIP codes
Population
13,317
Area code
505

Los Alamos in numbers

About 13,317 people live in Los Alamos, in 5,975 households, the 17th-largest of New Mexico's 493 census places. The median household income is $141,018 a year, 2.2 times the New Mexico median of $64,059 (US: $80,734). The median owner-occupied home is valued at $501,800 (2.0 times the New Mexico median), and median gross rent is $1,359 a month. The median age is 38.8; 69.8% of adults 25 and over hold a bachelor's degree or higher (31.0% across New Mexico); the average commute takes 12 minutes.

Population13,317Los Alamos13,317
Households5,975Los Alamos5,975
Median age38.8Los Alamos38.8New Mexico39.4US 38.9
Median household income$141,018Los Alamos$141,018New Mexico$64,059US $80,734
Median home value$501,800Los Alamos$501,800New Mexico$248,100US $332,700
Median gross rent$1,359Los Alamos$1,359New Mexico$1,067US $1,413
Bachelor's degree or higher69.8%Los Alamos69.8%New Mexico31.0%US 35.7%
Mean commute12.4 minLos Alamos12.4 minNew Mexico23.5 minUS 26.4 min
Population density1,199 / sq miLos Alamos1,199 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Los Alamos CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Los Alamos

ZIP codes with the USPS city name Los Alamos
ZIP City Type Population Median income Median home
87544 Los Alamos , NM Standard 13,598 $138,583 $488,300
87545 Los Alamos , NM No street area — — —

Map of Los Alamos ZIP codes

8754487545

The ZIP codes of Los Alamos, NM, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Los Alamos

The nearest larger towns are Santa Fe (89,019 people, 24 mi), Rio Rancho (108,515 people, 48 mi) and Albuquerque (562,218 people, 58 mi).

Towns near Los Alamos
TownPopulationDistance
White Rock 5,716 7.5 mi
La Mesilla 2,697 13.1 mi
Española 10,473 14.5 mi
Agua Fria 2,898 22.3 mi
Santa Fe 89,019 23.6 mi
La Cienega 3,543 23.9 mi

More nearby: every ZIP code in Sandoval County · New Mexico ZIP codes

Cite this page

zipcodes.pro. “Los Alamos, NM ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nm/los-alamos

Underlying data is public domain or openly licensed — sources, vintages and licences.