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

34 Rows

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)
White8,26395.29%
Two or more races2973.43%
Native American600.69%
Black or African American260.3%
Native Hawaiian or Pacific Islander200.23%
Other race50.06%
Asian00%

White

Two or more races

Native American

Black or African American

Native Hawaiian or Pacific Islander

Other race

Asian

Monona County, Iowa Population by Race

Monona County, Iowa Population Pyramid 2024

Monona County, Iowa Median Age

45.9

Total

44.1

Male

47.1

Female

Monona County, Iowa Adults

There are 6,764 adults, (2,089 of whom are seniors) in Monona County, Iowa.

Monona County, Iowa Age Dependency

85.5

Age Dependency Ratio

44.7

Old Age Dependency Ratio

40.8

Child Dependency Ratio

Monona County, Iowa Sex Ratio

Female4,47051.55%
Male4,20148.45%

Monona County, Iowa Population by Age

Monona County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,8522.278.221.8
Married1,8332.8490.59.5
Non Family1,5071.1669.930.1
Female3592.9159.940.1
Male1532.9956.243.8

2.78

Average Family Size

2.2

Average Household Size

78.2%

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 Grade3185.13%
Associates Degree68110.98%
Bachelors Degree69611.22%
Graduate Degree2774.47%
High School Graduate2,46539.75%
Less Than 9th Grade1141.84%
Some College1,65126.62%

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
White5,8855,490920
2+ Races18015124
Hispanic113764
Native American565628
Islander20200
Black17170
Other Race530

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 50%.

Monona County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,191$67,841$46,984
Graduate Degree$78,387$0$78,669
High School Graduate$33,819$49,712$26,528
Less Than 9th Grade$36,750$51,176$12,708
Overall$42,156$51,045$32,898
Some College$41,858$48,214$33,750

$42,156

Average Earnings

$51,045

Average Male

$32,898

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

98.17% of Monona County, Iowa residents speak only English, while 1.83% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.44% of the population.

Monona County, Iowa Language

Monona County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White7,97392511.6%
Hispanic1907137.37%
Multiple2963712.5%
Islander201050%
Native6058.33%
Other5120%

12.27%

Overall Poverty Rate

11.76%

Male Poverty Rate

12.75%

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 Native, with 8.33% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.03%. Among those working part-time, it was 18.48%, and for those that did not work, the poverty rate was 18.26%.

Monona County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade18.91%
High School12.07%
Some College10.46%
Bachelors or Greater1.14%

Monona County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed15.38%
Female Unemployed10.47%
Female Employed7.09%
Male Employed6.51%

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$76,144$88,768
Households$59,897$73,609
Married Families$88,542$-999,999,999
Non Families$33,888$45,910

mean

median

Income by Household Type

Monona County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.4%

Overall Marriage Rate

53.8%

Male Marriage Rate

52.9%

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 55-64, 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

607

Number of Veterans

555

Male Veterans

52

Female Veterans

War
Veterans
Vietnam283
Second Gulf War59
First Gulf War32
Korea32
World War II4

Monona County, Iowa Veterans by War

count

Age Group
Veterans
65 to 74213
75+208
55 to 64109
35 to 5442
18 to 3435

Monona County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White6040.0931523750771129
Hispanic50.04310344827586207
2+ Races30.016574585635359115

Monona County, Iowa Veterans by Race

Monona County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.93%

Veteran Poverty Rate

33.04%

Veteran Disability Rate

Monona County, Iowa Veterans by Education

LaborForceParticipation

61%

Labor Force Participation

59.4%

Employment Rate

2.6%

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

75.5%

Born in Monona County, Iowa

99.7%

Native Born

0.3%

Foreign Born

0.05%

Non Citizen

0.25%

Naturalized

Place of Birth

99.7% of Monona County, Iowa residents were born in the United States, with 75.5% having been born in Iowa. 0.05% 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