Poweshiek County, Iowa Population 2024

18,388
05K10K15K20K186018801900192019401960198020002020YearPopulation

Poweshiek County, Iowa's estimated 2024 population is 18,388 with a growth rate of -0.35% in the past year according to the most recent United States census data. Poweshiek County, Iowa is the 37th largest county in Iowa. The 2010 population was 18,926 and has seen a growth of -2.84% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202918,063-65-0.36%
202818,128-65-0.36%
202718,193-65-0.36%
202618,258-65-0.35%
202518,323-65-0.35%
202418,388-65-0.35%
202318,453-65-0.35%
202218,518-106-0.57%
202118,624-7-0.04%
202018,6311730.94%
201918,458-3-0.02%
201818,4611020.56%
201718,359620.34%
201618,297-82-0.45%
201518,379-245-1.32%
201418,62460.03%
201318,618-116-0.62%
201218,734-166-0.88%
201118,900-26-0.14%
201018,92600%
199019,033-273-1.41%
198019,3065032.68%
197018,803-497-2.58%
196019,300-44-0.23%
195019,3445863.12%
194018,758310.17%
193018,727-1,183-5.94%
192019,9103211.64%
191019,5891750.9%
190019,4141,0205.55%
189018,394-542-2.86%
188018,9363,35521.53%
187015,5819,913174.89%
18605,6685,053821.63%
1850615-17,448-96.6%
2024 Growth Rate
-0.35% (-65)
County Website
Poweshiek County
State
Iowa
County Seat
Montezuma
2020 Population
18,631
Area
585 mi²
Density
31 people/mi²
Growth Since 2020
-1.3% (-243)
Founded
1843

Population by Race

Race
Population
Percentage (of total)
White17,17992.32%
Two or more races5583%
Asian4142.22%
Black or African American2201.18%
Other race1961.05%
Native American410.22%
Native Hawaiian or Pacific Islander00%
92.32%Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Poweshiek County, Iowa Population by Race

Poweshiek County, Iowa Population Pyramid 2024

010203040506070801.1K1K900800700600500400300200100001002003004005006007008009001K1.1KMaleFemale

Poweshiek County, Iowa Median Age

40.7

Total

39.4

Male

41.8

Female

Poweshiek County, Iowa Adults

There are 14,914 adults, (3,859 of whom are seniors) in Poweshiek County, Iowa.

Poweshiek County, Iowa Age Dependency

68.3

Age Dependency Ratio

34.9

Old Age Dependency Ratio

33.4

Child Dependency Ratio

Poweshiek County, Iowa Sex Ratio

Female9,47950.94%
Male9,12949.06%

Poweshiek County, Iowa Population by Age

Poweshiek County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All7,7612.1970.529.5
Married3,6112.9588.111.9
Non Family3,3261.1653.646.4
Female4463.0740.859.2
Male3782.985.714.3

2.9

Average Family Size

2.19

Average Household Size

70.5%

Rate of Home Ownership

46.53%5.75%42.86%Households by Type

Married

Male

Female

NonFamily

MarriedMaleAllNon FamilyFemale00.10.20.30.40.50.60.70.80.91

owner

renter

Poweshiek County, Iowa Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree05001K1.5K2K2.5K

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3362.76%
Associates Degree1,1419.38%
Bachelors Degree1,98316.31%
Graduate Degree1,52912.57%
High School Graduate4,74539.02%
Less Than 9th Grade2862.35%
Some College2,14017.6%
39.02%17.6%9.38%16.31%12.57%Over 25 Education

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Poweshiek County, Iowa Educational Attainment by Race

AsianBlackWhite2+ RacesHispanicOther RaceNative American0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,62611,0703,317
Hispanic28422793
2+ Races18514828
Black848336
Other Race72572
Asian636363
Native American20120

The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 100%.

Poweshiek County, Iowa Educational Attainment by Race

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$20,000$40,000$60,000$80,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$48,070$60,000$45,822
Graduate Degree$71,349$78,889$65,806
High School Graduate$41,371$47,139$35,884
Less Than 9th Grade$25,417$40,156$0
Overall$46,705$53,935$37,992
Some College$40,725$58,043$24,537

$46,705

Average Earnings

$53,935

Average Male

$37,992

Average Female

Poweshiek County, Iowa Earnings by Educational Attainment

Poweshiek County, Iowa Language by Age

95%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Poweshiek County, Iowa Language

95% of Poweshiek County, Iowa residents speak only English, while 5% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.25% of the population.

Poweshiek County, Iowa Language

Poweshiek County, Iowa Poverty by Race

MultipleHispanicWhiteBlack0%2%4%6%8%10%12%14%16%18%20%22%

rate

Name
Total
In Poverty
Poverty Rate
White15,9491,71310.74%
Multiple4579320.35%
Hispanic5065611.07%
Black10044%

10.77%

Overall Poverty Rate

7.54%

Male Poverty Rate

14.05%

Female Poverty Rate

Poverty in Poweshiek County, Iowa

The race most likely to be in poverty in Poweshiek County, Iowa is Multiple, with 20.35% below the poverty level.

The race least likely to be in poverty in Poweshiek County, Iowa is Black, with 4% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.76%. Among those working part-time, it was 16.25%, and for those that did not work, the poverty rate was 20.88%.

Poweshiek County, Iowa Poverty

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%2%4%6%8%10%12%14%16%18%20%22%24%

rate

Rate
Poverty
Less Than 9th Grade22.24%
Some College15.11%
High School12.06%
Bachelors or Greater2.69%

Poweshiek County, Iowa Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%10%20%30%40%50%60%70%80%

rate

Rate
Poverty
Female Unemployed79.05%
Male Unemployed11.07%
Female Employed5.32%
Male Employed5.06%

Poweshiek County, Iowa Poverty Rate by Employment Status and Sex

Poweshiek County, Iowa Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k051015202530

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$90,108$117,154
Households$61,192$87,550
Married Families$103,359$-999,999,999
Non Families$38,500$46,074
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000100,000120,000

mean

median

Income by Household Type

Poweshiek County, Iowa Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.9%

Overall Marriage Rate

50.3%

Male Marriage Rate

45.6%

Female Marriage Rate

Poweshiek County, Iowa Married by Age and Sex

35-4445-5455-6420-34Over 6515-1901020304050607080

male

female

Poweshiek County, Iowa Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Poweshiek County, Iowa Marital Status by Race

WhiteNonHispanicWhiteHispanicOtherRaceIndianTwoOrMoreRacesAsianBlack0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Poweshiek County, Iowa Marital Status

18.75%17.94%55.56%7.75%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,089

Number of Veterans

990

Male Veterans

99

Female Veterans

War
Veterans
Vietnam480
Second Gulf War162
First Gulf War155
Korea67
World War II0

Poweshiek County, Iowa Veterans by War

18 to 3435 to 5455 to 6465 to 7475+050100150200250300350400

count

Age Group
Veterans
65 to 74355
75+304
55 to 64181
35 to 54168
18 to 3481

Poweshiek County, Iowa Veterans by Age

White2+ RacesHispanic01002003004005006007008009001,0001,100

count

Name
Veterans
% of Total
White1,0567.62%
2+ Races3310.38%
Hispanic326.81%

Poweshiek County, Iowa Veterans by Race

Poweshiek County, Iowa Veterans by Education

6.8%39.76%28.1%25.34%Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.18%

Veteran Poverty Rate

33.15%

Veteran Disability Rate

Poweshiek County, Iowa Veterans by Education

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

62.5%

Labor Force Participation

59.6%

Employment Rate

4.6%

Unemployment Rate

Poweshiek County, Iowa Employment by Age

BlackAsianHispanicWhiteWhite Non-HispanicOther Race2+ RacesNative American0102030405060708090

LaborForceParticipation

Poweshiek County, Iowa Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090100

LaborForceParticipation

Poweshiek County, Iowa Employment by Education

Origin of Non-Citizens

26.21%42.73%12.56%13%5.51%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

24.46%23.02%6.47%45.32%Origin

Europe

Asia

Africa

Oceania

Latin America

North America

72.47%

Born in Poweshiek County, Iowa

96.81%

Native Born

3.19%

Foreign Born

2.44%

Non Citizen

0.75%

Naturalized

Place of Birth

96.81% of Poweshiek County, Iowa residents were born in the United States, with 72.47% having been born in Iowa. 2.44% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Poweshiek County, Iowa Place of Birth

Sources