Clay County, Iowa

Clay County: County in Iowa, United States

About

Clay County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 16,667 and a population density of 11 people per km². After 10 years in 2020 county had an estimated population of 15,976 inhabitants. Its county seat is Spencer. The county was created 173 years ago in 1850.

Clay County locator map
Location of Clay County on Iowa map.

Quick Facts about Clay County

Population : 15,976 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County, Clay County
Twitter username : claycountyiowa
Area : 1483 km2
Water as percent of area : 0.9%
Land as percent of area : 99.1%
Named for : Henry Clay
Capital : Spencer
Establishment : January 01, 1851
Time Zone : America/Chicago
Local time : 22:00:52 (21st December 2024)
Density : 11 Pop. per km² as of 2020
Population growth : -4.33% (2010-2020)
Map of Iowa highlighting Clay County locator map image
Map of Iowa highlighting Clay County
Map of Iowa highlighting Clay County locator map image

Geography

Clay County is located at 43°4'57"N 95°9'3"W (43.0825800, -95.1509200). It has 2 neighbors: Buena Vista County and Dickinson County.

Clay County map

The largest city of Clay County is Spencer with a population of 10,989. Other cities include, Everly population 541, Peterson population 304, Fostoria population 219 and Dickens population 168. See all Clay County cities & populated places.

Clay County Populated Places

Cities, towns, neighborhoods & other populated places in Clay County.

City Name Population Title
Spencer 10,989 City in the state of Iowa (United States)
Everly 541 City in Iowa, USA
Royal 400 Town in Iowa
Peterson 304 Human settlement in Clay County, Iowa, United States of America
Fostoria 219 City in Iowa
Dickens 168 Park in Clay County, Iowa, United States of America
Webb 126 City in Clay County, Iowa, United States
Greenville 67 City in Clay County, Iowa, United States
Rossie 67 City in Clay County, Iowa, United States
Gillett Grove 47 Human settlement in Clay County, Iowa, United States of America

Clay County has 2 neighbours.

  • Spencer

Demographics

According to census records, the population of Clay County decreased by 4.33% in 10 years.

Year Population % Change Method
2010 16,667 - census
2011 16,597 -0.42% estimation process
2012 16,539 -0.35% estimation process
2013 16,438 -0.61% estimation process
2014 16,484 0.28% estimation process
2015 16,498 0.08% estimation process
2016 16,295 -1.25% estimation process
2017 16,141 -0.95% estimation process
2018 16,106 -0.22% estimation process
2019 16,016 -0.56% estimation process
2020 15,976 -0.25% estimation process

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People born in Clay County (1)

American lawyer Glenn E. Plumb was born in Clay County

Other places with the same name (18)

Iowa Other Counties (more counties)

County Name Population Title
Indiana 820,445 A city located in the state of Iowa.
Polk County 494,281 County in Iowa, United States
Linn County 227,854 County in Oregon, United States
Des Moines 212,312 The capital of Iowa.
Scott County 173,216 County in Tennessee, United States
Johnson County 153,740 County in Iowa, United States
Cedar Rapids 134,027 The second most populous city in Iowa.
Black Hawk County 130,786 County in Iowa, United States
Woodbury County 103,138 County in Iowa, United States of America
Davenport 101,799 The most populous city in Scott County, Iowa.
Story County 98,237 County in Iowa, United States
Dubuque County 97,590 County in Iowa, United States
Dallas County 96,963 County in Iowa, United States
Pottawattamie County 93,328 County in Iowa, United States of America
Sioux City 82,651 The second most populous city in Iowa.
Iowa City 75,130 The most populous city in Johnson County, Iowa.