Monona County, Iowa Population 2024

8,480

Monona County, Iowa's estimated 2024 population is 8,480 with a growth rate of -0.15% in the past year according to the most recent United States census data. Monona County, Iowa is the 84th largest county in Iowa. The 2010 population was 9,249 and has seen a growth of -8.31% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20298,415-13-0.15%
20288,428-13-0.15%
20278,441-13-0.15%
20268,454-13-0.15%
20258,467-13-0.15%
20248,480-13-0.15%
20238,493-13-0.15%
20228,506-92-1.07%
20218,598-144-1.65%
20208,7421161.34%
20198,626-23-0.27%
20188,649-72-0.83%
20178,721-58-0.66%
20168,779-86-0.97%
20158,865-33-0.37%
20148,898-132-1.46%
20139,030-60-0.66%
20129,090-148-1.6%
20119,238-11-0.12%
20109,24900%
199010,034-1,658-14.18%
198011,692-377-3.12%
197012,069-1,847-13.27%
196013,916-2,387-14.64%
195016,303-1,935-10.61%
194018,238250.14%
193018,2131,0886.35%
192017,1254922.96%
191016,633-1,347-7.49%
190017,9803,46523.87%
189014,5155,46060.3%
18809,0555,401147.81%
18703,6542,822339.18%
1860832-7,583-90.11%
2024 Growth Rate
-0.15% (-13)
State
Iowa
County Seat
Onawa
2020 Population
8,742
Area
694 mi²
Density
12 people/mi²
Growth Since 2020
-3% (-262)
Founded
1851

Population by Race

Race
Population
Percentage (of total)
White8,13294.35%
Two or more races4044.69%
Native American560.65%
Black or African American130.15%
Other race80.09%
Native Hawaiian or Pacific Islander60.07%
Asian00%

White

Two or more races

Native American

Black or African American

Other race

Native Hawaiian or Pacific Islander

Asian

Monona County, Iowa Population by Race

Monona County, Iowa Population Pyramid 2024

Monona County, Iowa Median Age

44.7

Total

43.2

Male

46.3

Female

Monona County, Iowa Adults

There are 6,687 adults, (2,054 of whom are seniors) in Monona County, Iowa.

Monona County, Iowa Age Dependency

86

Age Dependency Ratio

44.3

Old Age Dependency Ratio

41.7

Child Dependency Ratio

Monona County, Iowa Sex Ratio

Female4,44951.62%
Male4,17048.38%

Monona County, Iowa Population by Age

Monona County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,8912.1676.423.6
Married1,8232.8486.713.3
Non Family1,5621.1470.429.6
Female3102.8457.742.3
Male1962.9459.240.8

2.74

Average Family Size

2.16

Average Household Size

76.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Monona County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2824.58%
Associates Degree71711.66%
Bachelors Degree78312.73%
Graduate Degree3706.02%
High School Graduate2,42439.41%
Less Than 9th Grade1121.82%
Some College1,46323.78%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Monona County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White5,8015,4491,102
2+ Races23920428
Hispanic130883
Native American535323
Black13130
Other Race850
Islander660

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

The highest rate of bachelors degrees is among native american people with a rate of 43.4%.

Monona County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,716$78,125$47,926
Graduate Degree$75,809$51,923$80,880
High School Graduate$36,705$55,069$26,667
Less Than 9th Grade$40,625$48,750$10,625
Overall$42,167$52,682$35,435
Some College$41,502$48,929$34,885

$42,167

Average Earnings

$52,682

Average Male

$35,435

Average Female

Monona County, Iowa Earnings by Educational Attainment

Monona County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Monona County, Iowa Language

98% of Monona County, Iowa residents speak only English, while 2% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.76% of the population.

Monona County, Iowa Language

Monona County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,85083210.6%
Hispanic2075928.5%
Multiple3974912.34%
Native56916.07%
Islander6350%
Other8225%

11.22%

Overall Poverty Rate

9.82%

Male Poverty Rate

12.53%

Female Poverty Rate

Poverty in Monona County, Iowa

The race most likely to be in poverty in Monona County, Iowa is Islander, with 50% below the poverty level.

The race least likely to be in poverty in Monona County, Iowa is White, with 10.6% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.38%. Among those working part-time, it was 14.7%, and for those that did not work, the poverty rate was 17.38%.

Monona County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade17.38%
High School13.8%
Some College8.19%
Bachelors or Greater2.39%

Monona County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed30%
Female Unemployed11.86%
Female Employed7.05%
Male Employed3.78%

Monona County, Iowa Poverty Rate by Employment Status and Sex

Monona County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$80,893$93,619
Households$62,944$76,738
Married Families$89,839$-999,999,999
Non Families$35,931$46,965

mean

median

Income by Household Type

Monona County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.7%

Overall Marriage Rate

53.1%

Male Marriage Rate

52.4%

Female Marriage Rate

Monona County, Iowa Married by Age and Sex

male

female

Monona County, Iowa Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Monona County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Monona County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

630

Number of Veterans

566

Male Veterans

64

Female Veterans

War
Veterans
Vietnam288
First Gulf War83
Second Gulf War50
Korea42
World War II0

Monona County, Iowa Veterans by War

count

Age Group
Veterans
65 to 74224
75+188
55 to 64107
35 to 5494
18 to 3417

Monona County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White6249.8%
2+ Races62.49%
Hispanic53.76%

Monona County, Iowa Veterans by Race

Monona County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.2%

Veteran Poverty Rate

33.22%

Veteran Disability Rate

Monona County, Iowa Veterans by Education

LaborForceParticipation

61.6%

Labor Force Participation

60.3%

Employment Rate

2.1%

Unemployment Rate

Monona County, Iowa Employment by Age

LaborForceParticipation

Monona County, Iowa Employment by Race

LaborForceParticipation

Monona County, Iowa Employment by Education

Origin of Non-Citizens

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

Europe

Asia

Africa

Oceania

Latin America

North America

75.47%

Born in Monona County, Iowa

99.63%

Native Born

0.37%

Foreign Born

0.07%

Non Citizen

0.3%

Naturalized

Place of Birth

99.63% of Monona County, Iowa residents were born in the United States, with 75.47% having been born in Iowa. 0.07% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Monona County, Iowa Place of Birth

Sources