Clayton County, Iowa

Clayton County: County in Iowa, United States

About

Clayton County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 18,129 and a population density of 9 people per km². After 10 years in 2020 county had an estimated population of 17,321 inhabitants. Its county seat is Elkader. The county was created 187 years ago in 1836.

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

Quick Facts about Clayton County

Population : 17,321 (2020)
Country : United States of America
State : Iowa (United States)
Different from : Clayton County
Area : 2053 km2
Water as percent of area : 1.8%
Land as percent of area : 98.2%
Named for : John Middleton Clayton
Capital : Elkader
Establishment : January 01, 1837
Time Zone : America/Chicago
Local time : 03:30:10 (25th November 2024)
Density : 8 Pop. per km² as of 2020
Population growth : -4.66% (2010-2020)
Snow on road  Clayton County  Iowa image
Snow on road Clayton County Iowa
Snow on road  Clayton County  Iowa image

Geography

Clayton County is located at 42°50'41"N 91°20'29"W (42.8447500, -91.3414300). It has 8 neighbors: Iowa County, Allamakee County, Buchanan County, Delaware County, Dubuque County, Winneshiek County, Crawford County and Grant County.

Clayton County map

The largest city of Clayton County is Guttenberg with a population of 1,783. Other cities include, Strawberry Point population 1,193, McGregor population 826, Marquette population 448 and Luana population 276. See all Clayton County cities & populated places.

Clayton County Populated Places (more)

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

City Name Population Title
Guttenberg 1,783 City in Iowa, USA
Monona 1,462 Township in Clayton County, Iowa
Elkader 1,201 Town
Strawberry Point 1,193 City in Clayton County, Iowa, United States of America
McGregor 826 City in Iowa
Garnavillo 716 Township in Clayton County, Iowa
Marquette 448 City in Iowa, United States
Luana 276 City in Clayton County, Iowa, United States
Farmersburg 264 Township in Clayton County, Iowa
Volga 193 Human settlement in Clayton County, Iowa, United States of America
North Buena Vista 120 Human settlement in Clayton County, Iowa, United States of America
Saint Olaf 99 Human settlement in Clayton County, Iowa, United States of America
Garber 86 Human settlement in Clayton County, Iowa, United States of America
Osterdock 47 Human settlement in Clayton County, Iowa, United States of America
Clayton 39 City in Iowa, United States
Elkport 36 Ghost town in Clayton County, Iowa

Clayton County has 8 neighbours.

  • Elkader

Demographics

According to census records, the population of Clayton County decreased by 4.66% in 10 years.

Year Population % Change Method
2010 18,129 - census
2011 18,017 -0.62% estimation process
2012 17,946 -0.4% estimation process
2013 17,793 -0.86% estimation process
2014 17,768 -0.14% estimation process
2015 17,726 -0.24% estimation process
2016 17,661 -0.37% estimation process
2017 17,648 -0.07% estimation process
2018 17,540 -0.62% estimation process
2019 17,549 0.05% estimation process
2020 17,321 -1.32% estimation process

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People born in Clayton County (1)

American author Eugenie S. Birkholz was born in Clayton County

Other places with the same name (2)

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.