Keystone is a city located in Benton County Iowa. Keystone has a 2024 population of 627. Keystone is currently growing at a rate of 0.97% annually and its population has increased by 4.15% since the most recent census, which recorded a population of 602 in 2020.
The average household income in Keystone is $79,848 with a poverty rate of 10.84%. The median age in Keystone is 35.1 years: 33.9 years for males, and 39.1 years for females.
According to the most recent ACS, the racial composition of Keystone was:
Race | Population | Percentage (of total) |
|---|---|---|
| White | 676 | 91.47% |
| Other race | 25 | 3.38% |
| Two or more races | 23 | 3.11% |
| Black or African American | 11 | 1.49% |
| Native American | 4 | 0.54% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
White
Other race
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 269 | 2.61 | 78.4 | 21.6 |
| Married | 156 | 3.26 | 91 | 9 |
| Non Family | 84 | 1.08 | 71.4 | 28.6 |
| Female | 15 | 3.13 | 13.3 | 86.7 |
| Male | 14 | 3.86 | 50 | 50 |
3.17
Average Family Size
2.61
Average Household Size
78.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Education Attained | Count | Percentage |
|---|---|---|
| 9th to 12th Grade | 45 | 9.15% |
| Associates Degree | 98 | 19.92% |
| Bachelors Degree | 52 | 10.57% |
| Graduate Degree | 25 | 5.08% |
| High School Graduate | 170 | 34.55% |
| Less Than 9th Grade | 7 | 1.42% |
| Some College | 95 | 19.31% |
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 454 | 413 | 77 |
| Other Race | 15 | 15 | 0 |
| 2+ Races | 11 | 11 | 0 |
| Black | 11 | 0 | 0 |
| Hispanic | 4 | 4 | 0 |
| Native American | 1 | 1 | 0 |
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%.
All
Male
Female
Name | Average | Male | Female |
|---|---|---|---|
| Bachelors Degree | $34,375 | $0 | $0 |
| Graduate Degree | $106,397 | $0 | $0 |
| High School Graduate | $39,643 | $44,107 | $18,750 |
| Less Than 9th Grade | $0 | $0 | $0 |
| Overall | $45,117 | $46,648 | $41,071 |
| Some College | $45,234 | $60,833 | $41,058 |
$45,117
Average Earnings
$46,648
Average Male
$41,071
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 649 | 63 | 9.71% |
| Multiple | 23 | 7 | 30.43% |
| Hispanic | 14 | 5 | 35.71% |
| Native | 4 | 4 | 100% |
| Other | 25 | 2 | 8% |
10.84%
Overall Poverty Rate
8.31%
Male Poverty Rate
13.72%
Female Poverty Rate
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%.
rate
Rate | Poverty |
|---|---|
| Less Than 9th Grade | 77.78% |
| Some College | 2.69% |
| High School | 1.94% |
| Bachelors or Greater | 0% |
rate
Rate | Poverty |
|---|---|
| Male Employed | 2.52% |
| Female Employed | 1.29% |
| Male Unemployed | 0% |
| Female Unemployed | 0% |
Households
Families
MarriedFamilies
NonFamilies
Name | Median | Mean |
|---|---|---|
| Families | $74,531 | $94,847 |
| Households | $67,708 | $79,848 |
| Married Families | $85,000 | $-999,999,999 |
| Non Families | $32,500 | $44,731 |
mean
median
Married
Widowed
Divorced
Separated
NeverMarried
55.0%
Overall Marriage Rate
57.4%
Male Marriage Rate
52.6%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Second Gulf War
First Gulf War
Vietnam
Korea
World War II
28
Number of Veterans
28
Male Veterans
0
Female Veterans
War | Veterans |
|---|---|
| Second Gulf War | 10 |
| Vietnam | 7 |
| First Gulf War | 2 |
| Korea | 2 |
| World War II | 2 |
count
Age Group | Veterans |
|---|---|
| 75+ | 16 |
| 18 to 34 | 5 |
| 35 to 54 | 3 |
| 55 to 64 | 3 |
| 65 to 74 | 1 |
count
Name | Veterans | % of Total |
|---|---|---|
| White | 28 | 5.49% |
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.57%
Veteran Poverty Rate
32.14%
Veteran Disability Rate
LaborForceParticipation
55.5%
Labor Force Participation
54.8%
Employment Rate
1.3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Change |
|---|---|---|---|
| 2029 | 659 | 7 | 1.07% |
| 2028 | 652 | 6 | 0.93% |
| 2027 | 646 | 6 | 0.94% |
| 2026 | 640 | 7 | 1.11% |
| 2025 | 633 | 6 | 0.96% |
| 2024 | 627 | 6 | 0.97% |
| 2023 | 621 | 16 | 2.64% |
| 2022 | 605 | -3 | -0.49% |
| 2021 | 608 | 6 | 1% |
| 2020 | 602 | -10 | -1.63% |
| 2019 | 612 | 5 | 0.82% |
| 2018 | 607 | -4 | -0.65% |
| 2017 | 611 | -1 | -0.16% |
| 2016 | 612 | 0 | 0% |
| 2015 | 612 | 0 | 0% |
| 2014 | 612 | 1 | 0.16% |
| 2013 | 611 | -2 | -0.33% |
| 2012 | 613 | -5 | -0.81% |
| 2011 | 618 | -3 | -0.48% |
| 2010 | 621 | 0 | 0% |