Los Alamos County, New Mexico

Los Alamos County: County in New Mexico, United States

About

Los Alamos County is a county located in the U.S. state of New Mexico. As of the 2010 census, the population was 17,950 and a population density of 63 people per km². After 10 years in 2020 county had an estimated population of 19,462 inhabitants. Its county seat is Los Alamos. The county was created 75 years ago in 1948.

Los Alamos County locator map
Location of Los Alamos County on New Mexico map.

Quick Facts about Los Alamos County

Population : 19,462 (2020)
Country : United States of America
State : New Mexico (United States)
Area : 283 km2
Water as percent of area : 0.08%
Land as percent of area : 99.92%
Named for : Los Alamos
Altitude : 7,175 feet / 2187 meters
Capital : Los Alamos
Establishment : January 01, 1949
Time Zone : UTC−07:00
Local time : 00:28:27 (25th November 2024)
Density : 69 Pop. per km² as of 2020
Population growth : 7.77% (2010-2020)
Ashley Pond image
Ashley Pond
Ashley Pond image
Ashley Pond image

Geography

Los Alamos County is located at 35°52'10"N 106°18'26"W (35.8693700, -106.3072900). It has 3 neighbors: Rio Arriba County, Sandoval County and Santa Fe County.

Los Alamos County map

Click "full screen" full screen map icon to open full mode. View satellite images

Los Alamos County Populated Places

Cities, towns, neighborhoods & other populated places in Los Alamos County.

City Name Population Title
Los Alamos 12,019 Townsite in New Mexico

Los Alamos County has 3 neighbours.

  • Los Alamos

Demographics

The population of Los Alamos County increased by 7.77% in 10 years.

Year Population % Change Method
2010 17,950 - census
2011 18,229 1.53% estimation process
2012 18,234 0.03% estimation process
2013 17,947 -1.6% estimation process
2014 17,803 -0.81% estimation process
2015 17,817 0.08% estimation process
2016 18,209 2.15% estimation process
2017 18,742 2.84% estimation process
2018 18,988 1.3% estimation process
2019 19,369 1.97% estimation process
2020 19,462 0.48% estimation process

Comitatul Los Alamos, Comte de Los Alamos, Comté de Los Alamos, Condado de Los Alamos, Condado de Los Álamos, Condado han Los Alamos, Contea di Los Alamos, Hrabstwo Los Alamos, Los Alamos, Los Alamos Kun, Los Alamos Kūn, Los Alamos konderria, Los Alamos megye, Los Alamos srjan, Los Alamos okrug, Los Alamose maakond, Los-Alamos, Okrozje Los Alamos, Okrožje Los Alamos, Okrug Los Alamos, Quan Los Alamos, Quận Los Alamos, lasa alamosa ka'unti, loseuaelleomoseu gun, luo si a la mo si xian, mqatʿt lws alamws, rosuaramosu jun, shhrstan ls alamws nywmkzykw, Лос Аламос, Лос-Аламос, Округ Лос Аламос, Լոս Ալամոս շրջան, شهرستان لس آلاموس، نیومکزیکو, لاس الوموس کاؤنٹی, لاس ایلموس کاؤنٹی، نیو میکسیکو, مقاطعة لوس ألاموس, লস আলমোস কাউন্টি, ロスアラモス郡, 洛斯阿拉莫斯縣, 로스앨러모스 군

New Mexico Other Counties (more counties)

County Name Population Title
Bernalillo County 681,666 County in New Mexico, United States
Albuquerque 562,540 The third most populous city in New Mexico and the center of the Albuquerque metropolitan area.
Doña Ana County 221,262 County in New Mexico, United States
Santa Fe County 151,946 County in New Mexico, United States
Sandoval County 148,904 County in New Mexico, United States
San Juan County 123,312 County in southeastern Utah, United States
Las Cruces 105,096 The second most populous city in New Mexico.
Rio Rancho 99,885 The second most populous city in Sandoval County, New Mexico.
Santa Fe 84,996 The capital of New Mexico.
Valencia County 77,574 County in New Mexico, United States
Lea County 71,830 County in New Mexico, United States
McKinley County 70,824 County in New Mexico, United States
Otero County 67,967 County in New Mexico, United States
Chaves County 64,711 County in New Mexico, United States
Eddy County 58,418 County in New Mexico, United States
Curry County 48,793 County in Oregon, United States