Grundy County, Iowa Population 2022

Grundy County, Iowa's estimated population is 12,112 with a growth rate of -0.33% in the past year according to the most recent United States census data. Grundy County, Iowa is the 63rd largest county in Iowa. The 2010 Population was 12,463 and has seen a growth of -2.82% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18607930.00%
18706,3995,606706.94%
188012,6396,24097.52%
189013,2155764.56%
190013,7575424.10%
191013,574-183-1.33%
192014,4208466.23%
193014,133-287-1.99%
194013,518-615-4.35%
195013,7222041.51%
196014,1324102.99%
197014,119-13-0.09%
198014,3662471.75%
199012,029-2,337-16.27%
201012,4634343.61%
201112,478150.12%
201212,437-41-0.33%
201312,341-96-0.77%
201412,390490.40%
201512,405150.12%
201612,286-119-0.96%
201712,298120.10%
201812,272-26-0.21%
201912,232-40-0.33%
202012,192-40-0.33%
202112,152-40-0.33%
202212,112-40-0.33%
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Grundy County, Iowa Population Growth

Population by Race

Race Population Percentage
White11,99297.80%
Black or African American850.69%
American Indian and Alaska Native90.07%
Asian400.33%
Two or More Races1361.11%
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Grundy County, Iowa Population by Race

Grundy County, Iowa Population Pyramid 2022

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Grundy County, Iowa Median Age

42.4


Total

41.6


Male

43.6


Female

Grundy County, Iowa Adults

There are 9,447 adults, (2,548 of whom are seniors) in Grundy County, Iowa.

Grundy County, Iowa Age Dependency

Age Dependency Ratio

36.9

Old Age Dependency Ratio

40.8

Child Dependency Ratio

Grundy County, Iowa Sex Ratio

Female

6,194

50.51%

Male

6,068

49.49%

Grundy County, Iowa Population by Age

Grundy County, Iowa Renter vs Owner Occupied by Household Type

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Grundy County, Iowa Household Types

Type Owner Renter
Married91.4%8.6%
All82%18%
Male71.4%28.6%
Non Family68.5%31.5%
Female64.6%35.4%

82.0%

Rate of Home Ownership

Grundy County, Iowa Households and Families

Type Count Average Size Owned
All5,1642.3482
Married3,0702.8691.4
Male2132.7271.4
Female3112.8464.6
Non Family1,5701.1868.5

2.8

Average Family Size

2.34

Average Household Size

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Grundy County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade901.04%
9th to 12th Grade3333.86%
High School Graduate2,73031.66%
Some College1,78620.71%
Associates Degree1,33715.51%
Bachelors Degree1,79320.80%
Graduate Degree5536.41%
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Grundy County, Iowa Educational Attainment by Sex (over 25)

Grundy County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
Native American999
2+ Races979757
Asian343110
White8,3908,0202,254
Black26266
Hispanic964610

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among native american people with a rate of 100.00%.

Grundy County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$43,726$52,922$33,832
Less Than 9th Grade$33,846$40,750$22,614
High School Graduate$37,625$47,454$22,027
Some College$39,875$50,403$30,561
Bachelors Degree$53,425$73,816$44,964
Graduate Degree$70,081$90,625$54,531

$43,726

Average Earnings

$52,922

Average Male

$33,832

Average Female

Grundy County, Iowa Earnings by Educational Attainment

Grundy County, Iowa Language by Age

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Grundy County, Iowa Language

97.65% of Grundy County, Iowa residents speak only English, while 2.35% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.48% of the population.

Grundy County, Iowa Language

Grundy County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White11,6866075.19%
OtherNaN%
Multiple136107.35%
Hispanic16453.05%

5.15%

Overall Poverty Rate

3.92%

Male Poverty Rate

6.36%

Female Poverty Rate

Poverty in Grundy County, Iowa

The race most likely to be in poverty in Grundy County, Iowa is White, with 5.19% below the poverty level.

The race least likely to be in poverty in Grundy County, Iowa is Hispanic, with 3.05% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.96%. Among those working part-time, it was 6.00%, and for those that did not work, the poverty rate was 10.65%.

Grundy County, Iowa Poverty

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Name Poverty
Less Than 9th Grade18.09%
High School6.30%
Some College2.92%
Bachelors or Greater0.77%

Grundy County, Iowa Poverty Rate by Education

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Rate Poverty
Male Employed1.75%
Male Unemployed11.83%
Female Employed2.37%
Female Unemployed25.00%

Grundy County, Iowa Poverty Rate by Employment Status and Sex

Grundy County, Iowa Income by Household Type

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Name Median Mean
Households$71,760$89,154
Families$82,966$101,424
Married Families$92,026-
Non Families$40,875$57,397
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Income by Household Type

Grundy County, Iowa Marital Status

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Marriage Rates

63.3%

Overall Marriage Rate

64.3%

Male Marriage Rate

62.3%

Female Marriage Rate

Grundy County, Iowa Married by Age and Sex

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Grundy 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 35-44.

Grundy County, Iowa Marital Status by Race

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Grundy County, Iowa Marital Status

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604

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War49
First Gulf War98
Vietnam226
Korea87
World War II13

Grundy County, Iowa Veterans by War

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Age Group Veterans
18 to 3414
35 to 54144
55 to 6454
65 to 74180
75+212

Grundy County, Iowa Veterans by Age

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Name Veterans % of Total
White5946.41%
Black623.08%
2+ Races43.74%

Grundy County, Iowa Veterans by Race

Grundy County, Iowa Veterans by Education

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3.93%

Veteran Poverty Rate

28.89%

Veteran Disability Rate

Grundy County, Iowa Veterans by Education

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65%

Labor Force Participation

63.4%

Employment Rate

2.4%

Unemployment Rate

Grundy County, Iowa Employment by Age

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Grundy County, Iowa Employment by Race

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Grundy 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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85.21%

Born in Grundy County, Iowa

98.67%

Native Born

1.33%

Foreign Born

0.46%

Non Citizen

0.87%

Naturalized

Place of Birth

98.67% of Grundy County, Iowa residents were born in the United States, with 85.21% having been born in Iowa. 0.46% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Grundy 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