Keystone, Iowa Population 2024

605

Keystone is a city located in Benton County Iowa. Keystone has a 2024 population of 605. Keystone is currently growing at a rate of 0.17% annually and its population has increased by 0.67% since the most recent census, which recorded a population of 601 in 2020.

The average household income in Keystone is $79,848 with a poverty rate of 10.84%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Keystone is 35.1 years, 33.9 years for males, and 39.1 years for females.

Keystone Demographics

According to the most recent ACS, the racial composition of Keystone was:

  • White: 91.47%
  • Other race: 3.38%
  • Two or more races: 3.11%
  • Black or African American: 1.49%
  • Native American: 0.54%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
State
Iowa
Land Area (mi²)
0.4 sq mi
Density (mi²)
1,349.60/sq mi
Growth Since 2020
0.67% (4)
The current population of Keystone, Iowa is 605 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 601.

Keystone, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White67691.47%
Other race253.38%
Two or more races233.11%
Black or African American111.49%
Native American40.54%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Keystone Population by Race

Keystone Population Pyramid 2024

Keystone Median Age

35.1

Total

33.9

Male

39.1

Female

Keystone Adults

There are 550 adults, (153 of whom are seniors) in Keystone.

Keystone Age Dependency

86.1

Age Dependency Ratio

38.5

Old Age Dependency Ratio

47.6

Child Dependency Ratio

Keystone Sex Ratio

Female35548.04%
Male38451.96%

Keystone Population by Age

Keystone Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All2692.6178.421.6
Married1563.26919
Non Family841.0871.428.6
Female153.1313.386.7
Male143.865050

3.17

Average Family Size

2.61

Average Household Size

78.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Keystone Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Keystone Educational Attainment by Sex (over 25)

Keystone Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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

The highest rate of bachelors degrees is among white people with a rate of 16.96%.

Keystone Educational Attainment by Race

All

Male

Female

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$45,117

Average Earnings

$46,648

Average Male

$41,071

Average Female

Keystone Earnings by Educational Attainment

Keystone Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Keystone Language

99.02% of Keystone residents speak only English, while 0.98% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.98% of the population.

Keystone Language

Keystone Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White649639.71%
Multiple23730.43%
Hispanic14535.71%
Native44100%
Other2528%

10.84%

Overall Poverty Rate

8.31%

Male Poverty Rate

13.72%

Female Poverty Rate

Poverty in Keystone

The race most likely to be in poverty in Keystone is Native, with 100% below the poverty level.

The race least likely to be in poverty in Keystone is Other, with 8% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.85%. Among those working part-time, it was 2.44%, and for those that did not work, the poverty rate was 25%.

Keystone Poverty

rate

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Rate
Poverty
Less Than 9th Grade77.78%
Some College2.69%
High School1.94%
Bachelors or Greater0%

Keystone Poverty Rate by Education

rate

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Rate
Poverty
Male Employed2.52%
Female Employed1.29%
Male Unemployed0%
Female Unemployed0%

Keystone Poverty Rate by Employment Status and Sex

Keystone Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Keystone Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.0%

Overall Marriage Rate

57.4%

Male Marriage Rate

52.6%

Female Marriage Rate

Keystone Married by Age and Sex

male

female

Keystone Marriage

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

Keystone Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Keystone Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

28

Number of Veterans

28

Male Veterans

0

Female Veterans

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Keystone Veterans by War

count

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Keystone Veterans by Age

count

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Keystone Veterans by Race

Keystone Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.57%

Veteran Poverty Rate

32.14%

Veteran Disability Rate

Keystone Veterans by Education

LaborForceParticipation

55.5%

Labor Force Participation

54.8%

Employment Rate

1.3%

Unemployment Rate

Keystone Employment by Age

LaborForceParticipation

Keystone Employment by Race

LaborForceParticipation

Keystone 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

88.5%

Born in Keystone

99.32%

Native Born

0.68%

Foreign Born

0.41%

Non Citizen

0.27%

Naturalized

Place of Birth

99.32% of Keystone residents were born in the United States, with 88.5% having been born in Iowa. 0.41% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Keystone Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202961010.16%
202860910.16%
202760810.16%
202660710.17%
202560610.17%
202460510.17%
202360410.17%
2022603-4-0.66%
202160761%
2020601-11-1.8%
201961250.82%
2018607-4-0.65%
2017611-1-0.16%
201661200%
201561200%
201461210.16%
2013611-2-0.33%
2012613-5-0.81%
2011618-3-0.48%
201062100%

Keystone Population by Year