Los Alamos County Population 2018

Los Alamos County's estimated population is 18,738 with a growth rate of 3.23% in the past year according to the most recent United States census data. Los Alamos County is the 21st largest county in New Mexico.

Year Population Growth Growth Rate
201718,7385863.23%
201618,1524272.41%
201517,725150.08%
201417,710-120-0.67%
201317,830-339-1.87%
201218,169-8-0.04%
201118,1771821.01%
201017,995-120-0.66%
199018,1155162.93%
198017,5992,40115.80%
197015,1982,16116.58%
196013,0372,56124.45%
195010,4760.00%

Los Alamos County Population Growth

Population Data via

Los Alamos County Race Data

Race Population Percentage
White15,75384.07%
Asian1,1075.91%
Two or More Races4302.29%
American Indian and Alaska Native2501.33%
Black or African American1370.73%
Native Hawaiian and Other Pacific Islander190.10%

Los Alamos County Population Pyramid

0k0k0k1k1k Male Population0k0k0k1k1k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990