Story County, Iowa Population 2021

Story County, Iowa's estimated population is 97,789 with a growth rate of 0.34% in the past year according to the most recent United States census data. Story County, Iowa is the 9th largest county inIowa. The 2010 Population was 89,654 and has seen a growth of 9.07% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202197,7893360.34%
202097,4533360.35%
201997,1173360.35%
201896,781-497-0.51%
201797,2783850.40%
201696,8932570.27%
201596,6368340.87%
201495,8021,9252.05%
201393,8771,8742.04%
201292,0038670.95%
201191,1361,4821.65%
201089,65415,40220.74%
199074,2521,9262.66%
198072,3269,54315.20%
197062,78313,45627.28%
196049,3275,03311.36%
195044,29410,86032.48%
194033,4342,2937.36%
193031,1414,95618.93%
192026,1852,1028.73%
191024,0839243.99%
190023,1595,03227.76%
189018,1271,2217.22%
188016,9065,25545.10%
187011,6517,600187.61%
18604,0510.00%
2021 Growth Rate
0.34% (336)
County Website
State
Founded
1846
County Seat
2010 Population
89,654
Growth Since 2010
9.07% (8,135)
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Story County, Iowa Population Growth

Population by Race

Race Population Percentage
White83,42886.06%
Asian7,7958.04%
Two or More Races2,4212.50%
Black or African American2,2132.28%
Some Other Race8610.89%
American Indian and Alaska Native2230.23%
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Story County, Iowa Population by Race

Story County, Iowa Population Pyramid $2021

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Story County, Iowa Median Age

26.6


Total

25.3


Male

28


Female

Story County, Iowa Adults

There are 80,837 adults, (11,437 of whom are seniors) in Story County, Iowa.

Story County, Iowa Age Dependency

39.7

Age Dependency Ratio

16.5

Old Age Dependency Ratio

23.2

Child Dependency Ratio

Story County, Iowa Sex Ratio

Female

46,319

47.78%

Male

50,622

52.22%

Story County, Iowa Population by Age

Story County, Iowa Renter vs Owner Occupied by Household Type

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Story County, Iowa Household Types

Type Owner Renter
Non Family27.6%72.4%
Male48.1%51.9%
Female52.8%47.2%
All53.5%46.5%
Married83.8%16.2%

53.5%

Rate of Home Ownership

Story County, Iowa Households and Families

Type Count Average Size Owned
All37,8112.2853.5
Non Family18,5331.6327.6
Married16,1562.8983.8
Female1,9813.0552.8
Male1,1412.8548.1

2.84

Average Family Size

2.28

Average Household Size

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Story County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4330.85%
9th to 12th Grade1,0121.99%
High School Graduate8,85917.43%
Some College9,09917.91%
Associates Degree5,18210.20%
Bachelors Degree15,13629.79%
Graduate Degree11,09121.83%
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Story County, Iowa Educational Attainment by Sex (over 25)

Story County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
White44,19543,20021,875
Asian3,5643,3712,913
Hispanic1,3511,174682
Black1,007948540
2+ Races583574236
Other Race473455285
Native American1451333

The highest rate of high school graduation is among 2+ races people with a rate of 98.46%.

The highest rate of bachelors degrees is among asian people with a rate of 81.73%.

Story County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$43,554$50,392$36,410
Less Than 9th Grade$28,333$40,900$11,900
High School Graduate$31,403$38,319$25,906
Some College$39,936$44,261$31,560
Bachelors Degree$46,032$56,213$37,539
Graduate Degree$57,426$63,368$52,360

$43,554

Average Earnings

$50,392

Average Male

$36,410

Average Female

Story County, Iowa Earnings by Educational Attainment

Story County, Iowa Language by Age

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Story County, Iowa Language

89.09% of Story County, Iowa residents speak only English, while 10.91% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 6.28% of the population.

Story County, Iowa Language

Story County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White71,23713,01518.27%
Asian7,7422,91837.69%
Multiple2,20774333.67%
Black2,00566032.92%
Hispanic2,96062321.05%
Other85512014.04%
Native1926031.25%

20.94%

Overall Poverty Rate

21.83%

Male Poverty Rate

19.99%

Female Poverty Rate

Poverty in Story County, Iowa

The race most likely to be in poverty in Story County, Iowa is Asian, with 37.69% below the poverty level.

The race least likely to be in poverty in Story County, Iowa is Other, with 14.04% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.28%. Among those working part-time, it was 43.41%, and for those that did not work, the poverty rate was 26.69%.

Story County, Iowa Poverty

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Name Poverty
Less Than 9th Grade16.12%
High School9.90%
Some College8.66%
Bachelors or Greater6.36%

Story County, Iowa Poverty Rate by Education

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Rate Poverty
Male Unemployed57.92%
Female Unemployed54.64%
Female Employed19.15%
Male Employed13.27%

Story County, Iowa Poverty Rate by Employment Status and Sex

Story County, Iowa Income by Household Type

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Name Median Mean
Households$56,756$74,611
Families$88,506$105,012
Married Families$98,845$115,034
Non Families$31,285$41,729
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Income by Household Type

Story County, Iowa Marital Status

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Marriage Rates

40.5%

Overall Marriage Rate

38.3%

Male Marriage Rate

42.9%

Female Marriage Rate

Story County, Iowa Married by Age and Sex

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Story County, Iowa Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Story County, Iowa Marital Status by Race

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Story County, Iowa Marital Status

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3,773

Number of Veterans

3,407

Male Veterans

366

Female Veterans

War Veterans
Vietnam1,172
Second Gulf War1,020
First Gulf War678
Korea401
World War II174

Story County, Iowa Veterans by War

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Age Group Veterans
75+1,062
35 to 54872
65 to 74822
18 to 34553
55 to 64464

Story County, Iowa Veterans by Age

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Name Veterans % of Total
White3,5975.15%
2+ Races835.42%
Black402.35%
Hispanic341.41%
Native American3114.76%
Asian220.33%

Story County, Iowa Veterans by Race

Story County, Iowa Veterans by Education

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7.78%

Veteran Poverty Rate

25.33%

Veteran Disability Rate

Story County, Iowa Veterans by Education

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65.2%

Labor Force Participation

62.2%

Employment Rate

4.5%

Unemployment Rate

Story County, Iowa Employment by Age

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Story County, Iowa Employment by Race

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Story County, Iowa 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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60.09%

Born in Story County, Iowa

90.56%

Native Born

9.44%

Foreign Born

7.17%

Non Citizen

2.27%

Naturalized

Place of Birth

90.56% of Story County, Iowa residents were born in the United States, with 60.09% having been born in Iowa. 7.17% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Story County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources