Louisa County, Iowa Population 2021

Louisa County, Iowa's estimated population is 10,799 with a growth rate of -1.08% in the past year according to the most recent United States census data. Louisa County, Iowa is the 68th largest county inIowa. The 2010 Population was 11,382 and has seen a growth of -5.12% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202110,799-118-1.08%
202010,917-118-1.07%
201911,035-118-1.06%
201811,153-42-0.38%
201711,195-26-0.23%
201611,221-64-0.57%
201511,285350.31%
201411,250-98-0.86%
201311,348-12-0.11%
201211,360-21-0.18%
201111,381-1-0.01%
201011,382-210-1.81%
199011,592-463-3.84%
198012,0551,37312.85%
197010,6823923.81%
196010,290-811-7.31%
195011,101-283-2.49%
194011,384-191-1.65%
193011,575-604-4.96%
192012,179-676-5.26%
191012,855-661-4.89%
190013,5161,64313.84%
189011,873-1,269-9.66%
188013,1422652.06%
187012,8772,50724.18%
186010,3705,431109.96%
18504,9393,012156.31%
18401,9270.00%
2021 Growth Rate
-1.08% (-118)
County Website
State
Founded
1836
County Seat
2010 Population
11,382
Growth Since 2010
-5.12% (-583)
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Louisa County, Iowa Population Growth

Population by Race

Race Population Percentage
White10,09790.33%
Some Other Race3823.42%
Asian3773.37%
Black or African American1261.13%
Two or More Races1000.89%
American Indian and Alaska Native960.86%
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Louisa County, Iowa Population by Race

Louisa County, Iowa Population Pyramid $2021

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Louisa County, Iowa Median Age

41.9


Total

39.9


Male

43.1


Female

Louisa County, Iowa Adults

There are 8,650 adults, (2,049 of whom are seniors) in Louisa County, Iowa.

Louisa County, Iowa Age Dependency

69.3

Age Dependency Ratio

31

Old Age Dependency Ratio

38.3

Child Dependency Ratio

Louisa County, Iowa Sex Ratio

Female

5,450

48.76%

Male

5,728

51.24%

Louisa County, Iowa Population by Age

Louisa County, Iowa Renter vs Owner Occupied by Household Type

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Louisa County, Iowa Household Types

Type Owner Renter
Male52.4%47.6%
Female62%38%
Non Family69.5%30.5%
All76.9%23.1%
Married86.1%13.9%

76.9%

Rate of Home Ownership

Louisa County, Iowa Households and Families

Type Count Average Size Owned
All4,3352.5576.9
Married2,3663.0986.1
Non Family1,3631.269.5
Female3373.6262
Male2693.2852.4

3.1

Average Family Size

2.55

Average Household Size

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Louisa County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4195.43%
9th to 12th Grade80710.46%
High School Graduate2,90937.70%
Some College1,51819.67%
Associates Degree91511.86%
Bachelors Degree82810.73%
Graduate Degree3204.15%
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Louisa County, Iowa Educational Attainment by Sex (over 25)

Louisa County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
White6,3895,7081,002
Hispanic98455569
Other Race24518656
Asian20511859
Black73687
2+ Races46229
Native American2222

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 asian people with a rate of 28.78%.

Louisa County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$38,098$44,480$30,845
Less Than 9th Grade$32,113$37,949$29,545
High School Graduate$35,833$45,694$25,938
Some College$38,361$43,996$30,557
Bachelors Degree$51,154$64,886$39,783
Graduate Degree$59,632$64,028$58,824

$38,098

Average Earnings

$44,480

Average Male

$30,845

Average Female

Louisa County, Iowa Earnings by Educational Attainment

Louisa County, Iowa Language by Age

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Louisa County, Iowa Language

82.18% of Louisa County, Iowa residents speak only English, while 17.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 14.03% of the population.

Louisa County, Iowa Language

Louisa County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White8,6047488.69%
Hispanic1,75619911.33%
Asian37710828.65%
Black1266652.38%
Other382215.50%
Multiple1001212.00%

10.15%

Overall Poverty Rate

8.23%

Male Poverty Rate

12.18%

Female Poverty Rate

Poverty in Louisa County, Iowa

The race most likely to be in poverty in Louisa County, Iowa is Black, with 52.38% below the poverty level.

The race least likely to be in poverty in Louisa County, Iowa is Other, with 5.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.37%. Among those working part-time, it was 10.58%, and for those that did not work, the poverty rate was 18.07%.

Louisa County, Iowa Poverty

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Name Poverty
Less Than 9th Grade20.47%
High School7.97%
Some College5.16%
Bachelors or Greater1.67%

Louisa County, Iowa Poverty Rate by Education

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Rate Poverty
Male Unemployed26.25%
Female Unemployed18.85%
Female Employed6.26%
Male Employed2.97%

Louisa County, Iowa Poverty Rate by Employment Status and Sex

Louisa County, Iowa Income by Household Type

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Name Median Mean
Households$56,673$73,111
Families$71,649$86,743
Married Families$78,382-
Non Families$31,905$39,768
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Income by Household Type

Louisa County, Iowa Marital Status

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Marriage Rates

54.9%

Overall Marriage Rate

54.5%

Male Marriage Rate

55.3%

Female Marriage Rate

Louisa County, Iowa Married by Age and Sex

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Louisa 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.

Louisa County, Iowa Marital Status by Race

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Louisa County, Iowa Marital Status

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563

Number of Veterans

538

Male Veterans

25

Female Veterans

War Veterans
Vietnam273
First Gulf War68
Korea61
Second Gulf War47
World War II32

Louisa County, Iowa Veterans by War

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Age Group Veterans
65 to 74203
75+149
55 to 64122
35 to 5458
18 to 3431

Louisa County, Iowa Veterans by Age

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Name Veterans % of Total
White5587.09%
Black32.78%
Other Race20.68%

Louisa County, Iowa Veterans by Race

Louisa County, Iowa Veterans by Education

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5.05%

Veteran Poverty Rate

33.94%

Veteran Disability Rate

Louisa County, Iowa Veterans by Education

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65.8%

Labor Force Participation

62.6%

Employment Rate

4.8%

Unemployment Rate

Louisa County, Iowa Employment by Age

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Louisa County, Iowa Employment by Race

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Louisa 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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74.85%

Born in Louisa County, Iowa

90.98%

Native Born

9.02%

Foreign Born

6.36%

Non Citizen

2.66%

Naturalized

Place of Birth

90.98% of Louisa County, Iowa residents were born in the United States, with 74.85% having been born in Iowa. 6.36% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Louisa 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