Clay County, Iowa Population 2021

Clay County, Iowa's estimated population is 15,836 with a growth rate of -0.57% in the past year according to the most recent United States census data. Clay County, Iowa is the 49th largest county inIowa. The 2010 Population was 16,634 and has seen a growth of -4.80% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202115,836-90-0.57%
202015,926-90-0.56%
201916,016-90-0.56%
201816,106-35-0.22%
201716,141-154-0.95%
201616,295-203-1.23%
201516,498140.08%
201416,484460.28%
201316,438-101-0.61%
201216,539-58-0.35%
201116,597-37-0.22%
201016,634-951-5.41%
199017,585-1,991-10.17%
198019,5761,1126.02%
197018,464-40-0.22%
196018,5044012.22%
195018,1033411.92%
194017,7621,65510.28%
193016,1074472.85%
192015,6602,89422.67%
191012,766-635-4.74%
190013,4014,09243.96%
18909,3095,061119.14%
18804,2482,725178.92%
18701,5231,4712828.85%
1860520.00%
2021 Growth Rate
-0.57% (-90)
County Website
State
Founded
1851
County Seat
2010 Population
16,634
Growth Since 2010
-4.80% (-798)
map placeholder

Clay County, Iowa Population Growth

Population by Race

Race Population Percentage
White15,44695.28%
Two or More Races3982.46%
Some Other Race1410.87%
Black or African American1120.69%
Asian1050.65%
American Indian and Alaska Native70.04%
Native Hawaiian and Other Pacific Islander20.01%
Loading...

Clay County, Iowa Population by Race

Clay County, Iowa Population Pyramid $2021

Loading...

Clay County, Iowa Median Age

42.9


Total

41.8


Male

44


Female

Clay County, Iowa Adults

There are 12,550 adults, (3,329 of whom are seniors) in Clay County, Iowa.

Clay County, Iowa Age Dependency

75.8

Age Dependency Ratio

36.1

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Clay County, Iowa Sex Ratio

Female

8,213

50.66%

Male

7,998

49.34%

Clay County, Iowa Population by Age

Clay County, Iowa Renter vs Owner Occupied by Household Type

map placeholder

Clay County, Iowa Household Types

Type Owner Renter
Female35%65%
Non Family55.1%44.9%
All67.7%32.3%
Male76.5%23.5%
Married83%17%

67.7%

Rate of Home Ownership

Clay County, Iowa Households and Families

Type Count Average Size Owned
All7,2122.267.7
Married3,5062.8383
Non Family2,7101.1555.1
Female6772.9135
Male3192.7776.5

2.78

Average Family Size

2.2

Average Household Size

Loading...

Clay County, Iowa Households by Type

Loading...
Education Attained Count Percentage
Less Than 9th Grade2372.08%
9th to 12th Grade4954.35%
High School Graduate3,91734.44%
Some College2,89225.43%
Associates Degree1,24610.96%
Bachelors Degree1,88516.58%
Graduate Degree7006.16%
Loading...

Clay County, Iowa Educational Attainment by Sex (over 25)

Clay County, Iowa Educational Attainment by Race

Loading...
Race Total High School Bachelors
White10,83410,2692,533
Hispanic249913
2+ Races1581498
Asian989837
Black8318
Other Race64484
Native American55

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 37.76%.

Clay County, Iowa Educational Attainment by Race

Loading...
Name Average Male Female
Overall$37,619$43,488$29,981
Less Than 9th Grade$30,603$32,052$20,227
High School Graduate$27,283$35,708$17,010
Some College$39,190$46,500$30,500
Bachelors Degree$43,505$52,554$34,095
Graduate Degree$53,661$78,015$44,063

$37,619

Average Earnings

$43,488

Average Male

$29,981

Average Female

Clay County, Iowa Earnings by Educational Attainment

Clay County, Iowa Language by Age

Loading...

Clay County, Iowa Language

96.29% of Clay County, Iowa residents speak only English, while 3.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.51% of the population.

Clay County, Iowa Language

Clay County, Iowa Poverty by Race

Loading...
Name Total In Poverty Poverty Rate
White14,8311,61510.89%
Hispanic5777212.48%
Multiple3965112.88%
Other12543.20%
Black9533.16%
Islander22100.00%

10.85%

Overall Poverty Rate

7.76%

Male Poverty Rate

13.90%

Female Poverty Rate

Poverty in Clay County, Iowa

The race most likely to be in poverty in Clay County, Iowa is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Clay County, Iowa is Black, with 3.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.11%. Among those working part-time, it was 13.91%, and for those that did not work, the poverty rate was 12.24%.

Clay County, Iowa Poverty

Loading...
Name Poverty
Less Than 9th Grade10.86%
Some College7.87%
High School7.86%
Bachelors or Greater4.07%

Clay County, Iowa Poverty Rate by Education

Loading...
Rate Poverty
Female Unemployed41.30%
Female Employed8.37%
Male Unemployed3.83%
Male Employed3.75%

Clay County, Iowa Poverty Rate by Employment Status and Sex

Clay County, Iowa Income by Household Type

Loading...
Name Median Mean
Households$50,521$64,142
Families$67,620$78,048
Married Families$77,008-
Non Families$28,963$38,336
Loading...

Income by Household Type

Clay County, Iowa Marital Status

map placeholder

Marriage Rates

55.0%

Overall Marriage Rate

55.7%

Male Marriage Rate

54.4%

Female Marriage Rate

Clay County, Iowa Married by Age and Sex

Loading...

Clay County, Iowa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Clay County, Iowa Marital Status by Race

map placeholder

Clay County, Iowa Marital Status

Loading...

1,094

Number of Veterans

1,015

Male Veterans

79

Female Veterans

War Veterans
Vietnam413
Korea154
First Gulf War148
Second Gulf War129
World War II28

Clay County, Iowa Veterans by War

Loading...
Age Group Veterans
75+339
65 to 74333
55 to 64187
35 to 54187
18 to 3448

Clay County, Iowa Veterans by Age

Loading...
Name Veterans % of Total
White1,0929.04%
Hispanic20.58%
Black21.90%

Clay County, Iowa Veterans by Race

Clay County, Iowa Veterans by Education

Loading...

5.41%

Veteran Poverty Rate

26.21%

Veteran Disability Rate

Clay County, Iowa Veterans by Education

Loading...

65.3%

Labor Force Participation

62.6%

Employment Rate

4.2%

Unemployment Rate

Clay County, Iowa Employment by Age

Loading...

Clay County, Iowa Employment by Race

Loading...

Clay County, Iowa Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

72.43%

Born in Clay County, Iowa

97.51%

Native Born

2.49%

Foreign Born

1.59%

Non Citizen

0.89%

Naturalized

Place of Birth

97.51% of Clay County, Iowa residents were born in the United States, with 72.43% having been born in Iowa. 1.59% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Clay County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources