Clay County is a county in the U.S. state of Minnesota. As of the 2020 United States Census, the population was 65,318. Its county seat is Moorhead.
Clay County is part of the Fargo, ND-MN Metropolitan Statistical Area.
History
The county was formed on March 8, 1862, although its government was not organized at that time. In 1872, the organization was effected. It was named for nineteenth-century political figure Henry Clay, member of the United States Senate from Kentucky, and US Secretary of State. The county was originally called Breckenridge, but soon (in 1862) was changed to Clay.
Geography
Clay County lies on the western side of Minnesota. Its western boundary line abuts the eastern boundary line of the state of North Dakota (across the Red River). The Red River flows northward along the western boundary line of the county, on its way to the Hudson Bay in Canada. The Buffalo River flows west-northwesterly through the center of the county, joined by the South Branch Buffalo River west of Glyndon, before discharging into the Red on the county's western border near Georgetown. The terrain consists of rolling hills, dotted with lakes and ponds in its eastern portion. The terrain slopes to the west and north, with its highest point near the southeastern corner, at 1,430' (436m) ASL. The county has a total area of , of which are land and (0.7%) are covered by water.
Major highways
Adjacent counties
Norman County - north
Becker County - east
Otter Tail County - southeast
Wilkin County - south
Richland County, North Dakota - southwest
Cass County, North Dakota - west
Protected areas
Aspen State Wildlife Management Area
Bjornson State Wildlife Management Area
Bluestone Prairie Scientific and Natural Area
Clay County State Wildlife Management Area
Cromwell State Wildlife Management Area
Felton Prairie Scientific and Natural Area
Goose Prairie State Wildlife Management Area
Gruhl State Wildlife Management Area
Hawley State Wildlife Management Area
Hay Creek State Wildlife Management Area
Highland State Wildlife Management Area
Hitterdal State Wildlife Management Area
Jeral State Wildlife Management Area
Magnusson State Wildlife Management Area
Skree State Wildlife Management Area
Ulen State Wildlife Management Area
Ulen Wildlife Refuge
Climate and weather
In recent years, average temperatures in the county seat of Moorhead have ranged from a low of in January to a high of in July, although a record low of was recorded in January 1887 and a record high of was recorded in July 1936, the latter also the highest recorded temperature in the history of Minnesota. Average monthly precipitation ranged from in February to in June.
Demographics
2000 census
As of the 2000 United States Census, there were 51,229 people, 18,670 households, and 12,340 families in the county. The population density was 49.0/sqmi (18.9/km2). There were 19,746 housing units at an average density of 18.9/sqmi (7.30/km2). The racial makeup of the county was 93.99% White, 0.52% Black or African American, 1.44% Native American, 0.88% Asian, 0.03% Pacific Islander, 1.67% from other races, and 1.47% from two or more races. 3.65% of the population were Hispanic or Latino of any race. 40.4% were of Norwegian and 26.8% German ancestry.
There were 18,670 households, out of which 33.80% had children under the age of 18 living with them, 53.90% were married couples living together, 8.80% had a female householder with no husband present, and 33.90% were non-families. 26.10% of all households were made up of individuals, and 10.60% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.07.
The county population contained 25.00% under the age of 18, 17.10% from 18 to 24, 25.70% from 25 to 44, 19.30% from 45 to 64, and 12.90% who were 65 years of age or older. The median age was 32 years. For every 100 females, there were 93.70 males. For every 100 females age 18 and over, there were 89.10 males.
The median income for a household in the county was $37,889, and the median income for a family was $49,192. Males had a median income of $34,176 versus $23,149 for females. The per capita income for the county was $17,557. About 7.40% of families and 13.20% of the population were below the poverty line, including 13.30% of those under age 18 and 7.50% of those age 65 or over.
Government and Politics
In national elections, Clay County has been a swing district for several decades. From 1992 to 2020, it has voted for the winner of the presidential election.
Communities
Cities
Barnesville
Comstock
Dilworth
Felton
Georgetown
Glyndon
Hawley
Hitterdal
Moorhead (county seat)
Sabin
Ulen
Census-designated places
Baker
Oakport (part of Moorhead since 2015)
Unincorporated communities
Dale
Downer
Kragnes
Manitoba Junction
Muskoda
Rollag
Rustad
Tansem
Winnipeg Junction
Townships
Alliance Township
Barnesville Township
Cromwell Township
Eglon Township
Elkton Township
Elmwood Township
Felton Township
Flowing Township
Georgetown Township
Glyndon Township
Goose Prairie Township
Hagen Township
Hawley Township
Highland Grove Township
Holy Cross Township
Humboldt Township
Keene Township
Kragnes Township
Kurtz Township
Moland Township
Moorhead Township
Morken Township
Oakport Township
Parke Township
Riverton Township
Skree Township
Spring Prairie Township
Tansem Township
Ulen Township
Viding Township
thumb|Age pyramid of county residents based on
In popular culture
Clay County is featured as a setting of the "WORLD'S WEIRDEST ANIMALS" episode of Gemini Home Entertainment, an analog horror web series on YouTube.