Keystone, Iowa Population 2022

630
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Keystone is a city located in Benton County Iowa. Keystone has a 2020 population of 630. Keystone is currently growing at a rate of 0.96% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 621 in 2010.

The average household income in Keystone is $62,496 with a poverty rate of 7.43%. The median rental costs in recent years comes to $820 per month, and the median house value is $98,600. The median age in Keystone is 44.6 years, 42.8 years for males, and 47 years for females.

Keystone Demographics

According to the most recent ACS, the racial composition of Keystonewas:

  • White: 96.61%
  • Two or more races: 2.03%
  • Native American: 1.36%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Keystone, Iowa is 630 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 630.The last official US Census in 2010 recorded the population at 621.

Keystone, Iowa Population 2022

Population by Race

Race Population Percentage
White57096.61%
Two or More Races122.03%
American Indian and Alaska Native81.36%
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Keystone Population by Race

Keystone Population Pyramid $2022

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Keystone Median Age

44.6


Total

42.8


Male

47


Female

Keystone Adults

There are 461 adults, (170 of whom are seniors) in Keystone.

Keystone Age Dependency

Age Dependency Ratio

58.4

Old Age Dependency Ratio

44.3

Child Dependency Ratio

Keystone Sex Ratio

Female

326

55.25%

Male

264

44.75%

Keystone Population by Age

Keystone Renter vs Owner Occupied by Household Type

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Keystone Household Types

Type Owner Renter
Non Family62.5%37.5%
All75.9%24.1%
Married83.4%16.6%
Male100%0%
Female100%0%

75.9%

Rate of Home Ownership

Keystone Households and Families

Type Count Average Size Owned
All2492.2775.9
Married1452.9983.4
Non Family961.0762.5
Female64100
Male22100

2.99

Average Family Size

2.27

Average Household Size

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Keystone Households by Type

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Education Attained Count Percentage
Less Than 9th Grade245.63%
9th to 12th Grade40.94%
High School Graduate17541.08%
Some College8820.66%
Associates Degree6515.26%
Bachelors Degree5312.44%
Graduate Degree173.99%
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Keystone Educational Attainment by Sex (over 25)

Keystone Educational Attainment by Race

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Race Total High School Bachelors
White41738970
Hispanic55
Native American44

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 white people with a rate of 16.79%.

Keystone Educational Attainment by Race

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Name Average Male Female
Overall$38,289$40,714$35,278
Less Than 9th Grade$$$
High School Graduate$31,932$38,375$21,250
Some College$38,393$48,250$37,000
Bachelors Degree$50,750$$51,250
Graduate Degree$104,375$130,417$

$38,289

Average Earnings

$40,714

Average Male

$35,278

Average Female

Keystone Earnings by Educational Attainment

Keystone Language by Age

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Keystone Language

98.77% of Keystone residents speak only English, while 1.23% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.23% of the population.

Keystone Language

Keystone Poverty by Race

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7.43%

Overall Poverty Rate

4.74%

Male Poverty Rate

9.62%

Female Poverty Rate

Poverty in Keystone

The race most likely to be in poverty in Keystone is White, with 7.78% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 2.35%. Among those working part-time, it was 3.48%, and for those that did not work, the poverty rate was 9.82%.

Keystone Poverty

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Name Poverty
Less Than 9th Grade17.39%
Some College6.71%
Bachelors or Greater6.15%
High School2.44%

Keystone Poverty Rate by Education

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Rate Poverty
Male Employed3.13%
Female Employed3.03%
Female Unemployed0.00%
Male Unemployed0.00%

Keystone Poverty Rate by Employment Status and Sex

Keystone Income by Household Type

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Name Median Mean
Households$60,446$62,496
Families$67,604$70,803
Married Families$67,875-
Non Families$33,333$48,373
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Income by Household Type

Keystone Marital Status

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Marriage Rates

63.4%

Overall Marriage Rate

68.5%

Male Marriage Rate

59.2%

Female Marriage Rate

Keystone Married by Age and Sex

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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

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Keystone Marital Status

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21

Number of Veterans

Male Veterans

Female Veterans

War Veterans
World War II4
Vietnam1
Korea
First Gulf War
Second Gulf War

Keystone Veterans by War

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Age Group Veterans
75+13
35 to 547
65 to 741
55 to 64
18 to 34

Keystone Veterans by Age

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Keystone Veterans by Race

Keystone Veterans by Education

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0.00%

Veteran Poverty Rate

9.52%

Veteran Disability Rate

Keystone Veterans by Education

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57.7%

Labor Force Participation

55%

Employment Rate

4.8%

Unemployment Rate

Keystone Employment by Age

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Keystone Employment by Race

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Keystone Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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87.97%

Born in Keystone

98.31%

Native Born

1.69%

Foreign Born

0.85%

Non Citizen

0.85%

Naturalized

Place of Birth

98.31% of Keystone residents were born in the United States, with 87.97% having been born in Iowa. 0.85% 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: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
202263060.96%
202162460.97%
202061860.98%
201961260.99%
2018606-6-0.98%
20176120.00%
20166120.00%
20156120.00%
201461210.16%
2013611-2-0.33%
2012613-5-0.81%
2011618-3-0.48%
20106210.00%

Keystone Population by Year