Louisa County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Louisa County, Iowa, including popular demographics data like median age, number of households, household income, gender, employment and unemployment rates, occupations, religion, and more.

We are using the latest American Community Survey (ACS) 5-Year survey data from the US Census Bureau, which is accurate up to 2021.

Table of Contents

Population

There is a lot of data that lets us see how many people live in Louisa County, Iowa. The most basic data is the total population, which is the total number of people living in Louisa County, Iowa. The estimated population of Louisa County, Iowa is 10,891 people, with a median age of 41.8.

We can look at the total population in Louisa County over the last 5 years to see how much it has changed.

Year Population Change 5-Year Change
2021
10,891
 -2.1% -3.09%
2020
11,125
 -0.47% -
2019
11,178
 -0.4% -
2018
11,223
 -0.13% -
2017
11,238
 - -

Population of Louisa County, Iowa by Race and Ethnicity

We can also look at how the population has changed over the last 5 years by each of the race/ethnicity types as defined by the US Census Bureau.

Race 2021 2017 Change
White
77.7%
78.6%
 -1.15%
Black/African American
0.6%
1%
 -40.00%
Native
0.1%
0.3%
 -66.67%
Hispanic
16.2%
15.8%
 +2.53%
Asian
3.5%
3.9%
 -10.26%
Hawaiian/Pacific Islander
0%
0%
 0.00%
Two Or More Races
1.7%
0.3%
 +466.67%
Other
0.1%
0.1%
 0.00%

This data can be very important for a number of reasons, including social and economic research, planning and development, and marketing to a multi-cultural population.

Note that the Native group includes both Native American and Alaskan Native people.

Population of Louisa County, Iowa by Age and Gender

The age and gender of a population is another interesting demographic statistic because it lets us track trends in the population over time. For example, we can see how the population has changed over the last 5 years by median age as a total, and also by male and female.

Year Total Male Female
2021 41.8 +0.72% 40.6 +3.57% 42.9 0%
2020 41.5 -0.95% 39.2 -1.75% 42.9 -0.46%
2019 41.9 +1.7% 39.9 -0.75% 43.1 +1.17%
2018 41.2 +0.49% 40.2 -0.25% 42.6 +0.47%
2017 41 - 40.3 - 42.4 -

The median age of Louisa County, Iowa gives you an idea of the age distribution, with half of the population being older than the median age and half being younger.

This can then be used to infer and compare against birth rates, parent ages, and more metrics to understand the population. For example, an increasing median age indicates an aging population, which can be a sign of a declining population in terms of birth rates and workforce participation.

Age 2021 2017
(Years) Male Female Male Female
0 to 9 680 +2.5% 597 -7.12% 692 547
10 to 19 872 -10.19% 737 -4.11% 779 701
20 to 29 636 +16.82% 594 -4.05% 738 564
30 to 39 659 -15.49% 667 -14.96% 558 570
40 to 49 795 -6.24% 637 +6.46% 743 672
50 to 59 914 -12.04% 840 -12.45% 805 738
60 to 69 592 +16.85% 667 +2.76% 695 682
70+ 595 +4.43% 756 +4.41% 619 788

Median Household Income

The latest median household income of Louisa County, Iowa is $65,867.00.

In simple terms, the median income is the middle income of a group of people. Half of the people in the group make more than the median income, and half make less. The median income is a good indicator of the overall income of a group of people, and can be used to compare against other metrics such as the average income, per capita income, and more.

Median Income by Age

We can also look at the median income by age to see how the median income varies by age, and how it compares to the overall median income for Louisa County.

  • Under 25
    $55,341.00
  • 25 to 44
    $88,720.00
  • 45 to 64
    $71,827.00
  • 65 and over
    $40,893.00

Average Household Income

Whenever we ask what is the average household income in Louisa County, we are actually talking about the mean household income.

This is calculated by adding up all the incomes of all the households in Louisa County, and then dividing that number by the total number of households. This is a good way to get a general idea of the average income of a group of people, but it can be skewed by a very high or very low incomes.

The average household income of Louisa County, Iowa is currently $80,646.00.

In terms of accurately summarizing income at a geographic level, the median income is a better metric than the average income because it isn't affected by a small number of very high or very low incomes.

If you had an area where the average income was greater than the median, it can mean that there is significant income inequality, with income being concentrated in a small number of wealthy households.

3.22% of households in Louisa County are classed as high income households (making $200,000+ per year).

Household Income Tiers

The US Census Bureau divides households into income tiers based on the median income for the area. This is a good way to compare the income of Louisa County against other areas.

  • Less than $24,999
    15.04%
  • $25,000 to $49,999
    23.10%
  • $50,000 to $74,999
    18.45%
  • $75,000 to $99,999
    17.44%
  • $100,000 to $149,999
    17.44%
  • $150,000 to $199,999
    5.32%
  • $200,000 or more
    3.22%

Per Capita Income

The per capita income in Louisa County is $30,499.00.

Per capita income is the average income of a person in a given area. It is calculated by dividing the total income of Louisa County by the total population of Louisa County.

This is different from the average or mean income because it includes and accounts for all people in Louisa County, Iowa, including people like children, the elderly, unemployed people, retired people, and more.

Education Levels

We can also look at the education levels in Louisa County to see how many people have a high school degree, a bachelor's degree, or a graduate degree.

Educational attainment is a good indicator of the overall education level of a population, and can be used to compare against other metrics such as the average income, per capita income, and more to see how education levels affect income, unemployment rates, and more.

  • Master's degree or higher
    6.20%
  • Bachelor's degree
    19.14%
  • Some college or associate's degree
    13.98%
  • High school diploma or equivalent
    57.03%
  • Less than high school diploma
    3.64%

Employment

Employment rates are all based around the total population in Louisa County that are over the age of 16.

The total population of Louisa County over the age of 16 is 8,685.

Of those people, a total of 65.50% are working or actively looking for work. This is called the labor force participation rate.

The participation rate is a useful market measure because it shows the relative amount of labor resources available to the economy.

The employment to total population rate in Louisa County is 62.50%.

Employment by Age

We can look at the employment rates by age to see how it compares to the overall employment rate.

Age Population Participation Unemployment Rate
16 to 19 years 513 55.60% 11.40%
20 to 24 years 580 84.00% 6.40%
25 to 29 years 722 82.40% 6.60%
30 to 34 years 502 87.30% 10.00%
35 to 44 years 1,406 88.50% 6.60%
45 to 54 years 1,329 85.00% 2.00%
55 to 59 years 849 82.10% 0.00%
60 to 64 years 743 62.20% 0.00%
65 to 74 years 1,131 21.50% 1.60%
75 years and over 910 11.50% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Louisa County. The table below shows the rates for each of the ethnicity groups types defined by the US Census Bureau.

Age Population Participation Unemployment Rate
White 7,369 63.50% 4.50%
Black or African American 69 92.80% 0.00%
American Indian and Alaska Native 43 95.30% 19.50%
Asian 244 76.20% 0.00%
Native Hawaiian and Other Pacific Islander 0 0.00% 0.00%
Other 684 70.00% 4.20%
Two or more races 276 87.00% 7.90%
Hispanic or Latino 1,285 77.80% 10.20%
Not Hispanic or Latino 6,943 62.10% 3.60%

Occupations

In this section we can look at the most common occupations in Louisa County as well as the gender breakdown and earnings of them.

The total population of civilian employees that are 16 years old or older in Louisa County is 5,427, with median earnings of $39,418.00.

Women in Louisa County, Iowa earning approximately 73.30% of the men's earnings.

Population Earnings
Total 5,427 $39,418.00
Male 3,085 $44,539.00
Female 2,342 $32,669.00

Occupations by Category

In the table below, we can break down the population and earnings even further by occupation. The list of occupation categories below will show you how many people are employed in each category and the median earnings of each profession.

Occupation Employed Earnings
Management 482 $59,333.00
Business and Financial 129 $47,679.00
Computer and Mathematical 48 $69,000.00
Architecture and Engineering 98 $63,125.00
Life, Physical, and Social Science 100 $62,885.00
Community and Social Service 39 $60,893.00
Legal 10 $73,889.00
Educational and Library 316 $40,476.00
Arts, Design, Entertainment, Sports, and Media 8 $0.00
Healthcare Practitioners 294 $50,893.00
Healthcare Support 221 $21,250.00
Firefighters and Protective Service 40 $43,125.00
Law Enforcement 18 $55,417.00
Food Preparation and Serving 307 $15,149.00
Building and Grounds Cleaning 144 $20,962.00
Personal Care and Service 77 $12,969.00
Sales 368 $21,776.00
Office and Administrative Support 543 $34,764.00
Farming, Fishing, and Forestry 122 $14,028.00
Construction and Extraction 382 $46,000.00
Installation, Maintenance, and Repair 254 $61,818.00
Production 861 $41,509.00
Transportation and Material Moving 205 $43,565.00

Occupations by Gender

The table below shows the same occupations from the list above, but we have split them by male and female to see how many male and females work in each occupation, the median earnings, and the male to female ratio of earnings.

That last metric is important because it can be used to look at the gender pay gap between men and women.

Occupation Male Female
Population Earnings Population Earnings
Management 368 $48,636.00 114 $63,214.00
Business and Financial 48 $59,107.00 81 $43,583.00
Computer and Mathematical 32 $65,000.00 16 $69,000.00
Architecture and Engineering 83 $67,917.00 15 $0.00
Life, Physical, and Social Science 73 $63,494.00 27 $53,920.00
Community and Social Service 14 $28,750.00 25 $61,964.00
Legal 10 $73,889.00 0 $0.00
Educational and Library 66 $26,765.00 250 $41,071.00
Arts, Design, Entertainment, Sports, and Media 8 $0.00 0 $0.00
Healthcare Practitioners 27 $52,841.00 267 $50,114.00
Healthcare Support 0 $0.00 221 $21,250.00
Firefighters and Protective Service 32 $47,917.00 8 $0.00
Law Enforcement 8 $55,833.00 10 $34,500.00
Food Preparation and Serving 105 $15,417.00 202 $15,000.00
Building and Grounds Cleaning 89 $27,750.00 55 $20,341.00
Personal Care and Service 4 $0.00 73 $11,875.00
Sales 191 $31,719.00 177 $20,474.00
Office and Administrative Support 125 $48,984.00 418 $33,514.00
Farming, Fishing, and Forestry 82 $16,477.00 40 $0.00
Construction and Extraction 378 $45,000.00 4 $0.00
Installation, Maintenance, and Repair 247 $61,553.00 7 $0.00
Production 638 $44,280.00 223 $34,740.00
Transportation and Material Moving 176 $43,796.00 29 $24,063.00

Households and Family Size

A household defined bu the US Census Bureau is a group of people who occupy a housing unit. A housing unit is a house, apartment, mobile home, group of rooms, or single room occupied as separate living quarters.

There are currently 4,043 households in Louisa County, with an average household size of 2.67 people.

A family is defined as a group of two or more people related by birth, marriage, or adoption who live together in the same household.

There are 2,961 families in Louisa County with an average family size of 3.13 people.

Households by Marital Status

The four categories of household by marital status are:

  • Married-couple family
  • Male householder with no spouse present
  • Female household with no spouse present
  • Nonfamily household

The table below shows the total number of households and families, with the average sizes of each.

Married Male Female Nonfamily
Total Households 2,465 229 267 1,082
Average Household Size 3.16 3.11 3.85 1.17
Total Families 2,465 229 267 0
Average Household Size 3.13 2.75 3.44 0

Poverty

Of the 2,961 families in Louisa County, 8.10% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Louisa County:

Household Size Poverty Threshold
1 Person $14,580.00
2 People $19,720.00
3 People $24,860.00
4 People $30,000.00
5 People $35,140.00
6 People $40,280.00
7 People $45,420.00
8 People $50,560.00

Housing

There are 4,748 housing units in Louisa County, Iowa.

The table below shows the split between occupied and vacant units:

Total Percentage
Occupied 4,043 85.15%
Vacant 705 14.85%

16.15% of the total 4,748 housing units in Louisa County are rental units. This is approximately 767 properties.

For owner-occupied housing units, a total of 3,137 are occupied by the owner - or 66.07% of the total.

Rental Rates

The median rent for a property in Louisa County is $710.00.

In the chart below, we can look at the number of rental properties in Louisa County that fall into a particular rent range. These can then be used to compare with other areas, or to see how they have changed over time.

  • No rent paid
    139
  • Less than $500
    139
  • $500 to $999
    538
  • $1,000 to $1,499
    90
  • $1,500 to $1,999
    0
  • $2,000 to $2,499
    0
  • $2,500 to $2,999
    0
  • $3,000 or more
    0

Property Value

The median value of a property in Louisa County is $117,600.00.

Just like with rental rates, we can look at the number of properties in Louisa County that fall into a particular value range.

  • Less than $50,000
    406
  • $50,000 to $99,999
    863
  • $100,000 to $149,999
    721
  • $150,000 to $199,999
    434
  • $200,000 to $299,999
    391
  • $300,000 to $499,999
    258
  • $500,000 to $999,999
    53
  • $1,000,000 or more
    11

Property Age

We can also look at the age of properties in Louisa County. The chart below shows the number of properties in Louisa County that fall into a particular age range.

  • 1939 or earlier
    1,718
  • 1940 to 1949
    309
  • 1950 to 1959
    298
  • 1960 to 1969
    483
  • 1970 to 1979
    658
  • 1980 to 1989
    283
  • 1990 to 1999
    408
  • 2000 to 2009
    333
  • 2010 to 2013
    243
  • 2014 or later
    15

Vehicles per Household

The number of vehicles available per household can be a good indicator of the level of affluence in an area. The chart below shows the number of households in Louisa County that have a particular number of vehicles available.

  • No vehicles available
    203
  • 1 vehicle available
    730
  • 2 vehicles available
    1,638
  • 3 or more vehicles available
    1,472

Commuting to Work

In this section, we can also look at how people in Louisa County get to work. The chart below shows the number of people in Louisa County that commute to work in a particular way.

22.7 minutes is the average travel time to work for people in Louisa County.

These commute times can be compared to other date like income and educational levels to see how they relate to each other and if there are any trends in the data that might suggest a correlation.

  • Less than 5 minutes
    627
  • 5 to 9 minutes
    719
  • 10 to 14 minutes
    573
  • 15 to 19 minutes
    447
  • 20 to 24 minutes
    713
  • 25 to 29 minutes
    287
  • 30 to 34 minutes
    819
  • 35 to 39 minutes
    196
  • 40 to 44 minutes
    187
  • 45 to 59 minutes
    352
  • 60 to 89 minutes
    193
  • 90 or more minutes
    79

Summary

We've covered a LOT of demographic and population data for Louisa County, Iowa in this article! Hopefully you have found it very useful in your research of the area.

If you use any of the data found on this page, please consider linking back to USPopulation.org as the source and if you have any feedback or data requests, click here to contact us.

Places in Louisa County, Iowa

We have data for 17 places in Louisa County, Iowa. Click on a place below to see more information about the demographics of that place.