Lyon County, Nevada

Lyon County at a glance.

Lyon County had an estimated 63,718 residents in July 2024, the third most populous of Nevada's 17 counties, up 7.6% since the 2020 census. Of those, 50,807 are 18 or older, the voting-age population, and 22.5% are 65 or older. It covers 2,003 square miles of land (32 people per square mile), and 54.9% of residents live outside any incorporated city or town.

The largest cities and towns are Fernley (25,508) and Yerington (3,199). The American Community Survey (2020-2024) puts it at a median age of 43.2, a median household income of $80,812, 17.0% of adults 25 and older holding a bachelor's degree or higher and 76.7% of occupied homes owned by the people living in them. In 2024, 33,541 votes were cast for president, about 66.0% of the voting-age population; the Democratic ticket took 26.7% and the Republican ticket 71.1%.

The two-party margin moved from R+17.9 in 2008 to R+44.4 in 2024.

Population (2024 estimate)

63,718

Population (2020 census base)

59,235

Voting-age population (18+)

50,807

Residents 65 and older

22.5%

People per square mile

32

Living outside incorporated places

54.9%

Land area

2,003 sq mi

Median age

43.2

Median household income

$80,812

Adults 25+ with a bachelor's degree

17.0%

Owner-occupied homes

76.7%

Largest cities and towns

1. Fernley 25,508
2. Yerington 3,199

Presidential vote, 2008–2024

Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.