Population of Counties in Nevada as of 2020

In 2020, the most populous county in Nevada was Clark County, home of Las Vegas, with 2,231,647 residents. This represents population growth of 14.29% since the 2010 census. After Clark County is Washoe County (465,735) including the city of Reno.  Washoe is the only other Nevada county with more than 100,000 residents.

Other major counties in Nevada include Lyon County with an estimated population of 60,904 with a growth rate of 2.87% over the past year – 17% over the last 10 years.  Lyon County is now the 3rd largest county in Nevada.  Other 2020 population numbers: Carson City (55,414), Elko County (52,460), Douglas County (48,467), and Nye County (45,336). All of these counties experienced positive growth since the the 2020 census, again, led by Clark County.

Nevada Counties with Fewest Residents

All but two counties in Nevada have fewer than 60,000 residents. The least populated county in Nevada is Esmeralda County in the west with a population of 826 and no incorporated towns. Other small counties include Eureka County (2,003), Storey County (4,029), Mineral County (4,514), Lincoln County (5,201), and Lander County (5,575). Of these counties, Esmeralda County experienced the most growth at 5.36% while Mineral County experienced the most decline, minus 5.68% since the 2010 census.

Nevada Counties with Rapid Growth

Clark County, Nevada experienced the most rapid growth in the state since the census, growing 14.29%. Other counties that have experienced rapid growth include Washoe County (10.37%), Lyon County (7.23%), Elko County (6.88%), and Esmeralda County (5.36%). The county with the most decline since the census is Mineral County (-5.68%) followed by White Pine County (-5.50%).