Ottumwa, Wapello County, Iowa Population and Demographics

In this article, we'll explore the population statistics for Ottumwa, 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 Ottumwa, Iowa. The most basic data is the total population, which is the total number of people living in Ottumwa, Iowa. The estimated population of Ottumwa, Iowa is 25,379 people, with a median age of 37.7.

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

Year Population Change 5-Year Change
2021
25,379
+3.57%
+2.73%
2020
24,505
-0.16% -
2019
24,545
-0.53% -
2018
24,676
-0.12% -
2017
24,705
- -

Population of Ottumwa, 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
74.8%
78.2%
-4.35%
Black/African American
4.5%
3.9%
+15.38%
Native
0%
0.1%
-100.00%
Hispanic
14.9%
14.7%
+1.36%
Asian
1.7%
1.1%
+54.55%
Hawaiian/Pacific Islander
1.6%
0.3%
+433.33%
Two Or More Races
2.6%
1.5%
+73.33%
Other
0%
0.2%
-100.00%

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 Ottumwa, 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 37.7 -1.05% 35.2 -1.68% 40.1 +1.78%
2020 38.1 +2.14% 35.8 +1.42% 39.4 +0.51%
2019 37.3 +4.78% 35.3 +1.73% 39.2 +5.38%
2018 35.6 -0.28% 34.7 +0.58% 37.2 0%
2017 35.7 - 34.5 - 37.2 -

The median age of Ottumwa, 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 2,007 -10.65% 1,527 -12.6% 1,780 1,334
10 to 19 1,434 +24.05% 1,793 -5.86% 1,809 1,679
20 to 29 1,814 -0.68% 1,810 -5.56% 1,800 1,704
30 to 39 1,727 +2.38% 1,585 -2.52% 1,754 1,542
40 to 49 1,437 +4.39% 1,287 +14.96% 1,497 1,456
50 to 59 1,446 +2.12% 1,730 0.22% 1,475 1,727
60 to 69 1,179 +30.69% 1,261 +12.76% 1,583 1,429
70+ 1,093 +6.11% 1,575 +5.18% 1,153 1,657

Median Household Income

The latest median household income of Ottumwa, Iowa is $48,198.00.

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 Ottumwa.

  • Under 25
    $41,513.00
  • 25 to 44
    $53,413.00
  • 45 to 64
    $54,713.00
  • 65 and over
    $35,315.00

Average Household Income

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

This is calculated by adding up all the incomes of all the households in Ottumwa, 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 Ottumwa, Iowa is currently $63,957.00.

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.

2.57% of households in Ottumwa 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 Ottumwa against other areas.

  • Less than $24,999
    24.58%
  • $25,000 to $49,999
    27.81%
  • $50,000 to $74,999
    19.18%
  • $75,000 to $99,999
    11.04%
  • $100,000 to $149,999
    10.21%
  • $150,000 to $199,999
    4.60%
  • $200,000 or more
    2.57%

Per Capita Income

The per capita income in Ottumwa is $26,972.00.

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

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

Education Levels

We can also look at the education levels in Ottumwa 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
    9.99%
  • Bachelor's degree
    20.44%
  • Some college or associate's degree
    15.55%
  • High school diploma or equivalent
    49.98%
  • Less than high school diploma
    4.05%

Employment

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

The total population of Ottumwa over the age of 16 is 20,195.

Of those people, a total of 62.00% 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 Ottumwa is 58.70%.

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 1,418 51.00% 14.90%
20 to 24 years 1,756 70.90% 3.80%
25 to 29 years 1,748 86.70% 2.80%
30 to 34 years 1,770 87.50% 5.20%
35 to 44 years 2,871 75.20% 6.10%
45 to 54 years 3,323 78.80% 7.30%
55 to 59 years 1,487 72.90% 1.10%
60 to 64 years 1,871 60.90% 3.00%
65 to 74 years 2,128 18.20% 2.10%
75 years and over 1,823 5.20% 0.00%

Employment by Race

Another very interesting employment statistic we can look at is the employment and unemployment rates by race in Ottumwa. 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 16,975 59.10% 4.00%
Black or African American 869 88.00% 17.40%
American Indian and Alaska Native 100 80.00% 20.00%
Asian 406 82.80% 9.50%
Native Hawaiian and Other Pacific Islander 314 50.60% 0.00%
Other 854 79.50% 8.80%
Two or more races 677 68.50% 3.20%
Hispanic or Latino 2,526 75.90% 6.20%
Not Hispanic or Latino 15,763 58.00% 4.10%

Occupations

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

The total population of civilian employees that are 16 years old or older in Ottumwa is 11,861, with median earnings of $35,565.00.

Women in Ottumwa, Iowa earning approximately 75.50% of the men's earnings.

Population Earnings
Total 11,861 $35,565.00
Male 6,407 $40,808.00
Female 5,454 $30,820.00

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 771 $70,625.00
Business and Financial 280 $43,636.00
Computer and Mathematical 55 $70,536.00
Architecture and Engineering 73 $76,917.00
Life, Physical, and Social Science 22 $41,667.00
Community and Social Service 241 $34,292.00
Legal 75 $87,625.00
Educational and Library 918 $51,333.00
Arts, Design, Entertainment, Sports, and Media 50 $40,192.00
Healthcare Practitioners 758 $58,125.00
Healthcare Support 552 $20,787.00
Firefighters and Protective Service 52 $24,375.00
Law Enforcement 35 $51,823.00
Food Preparation and Serving 662 $13,728.00
Building and Grounds Cleaning 591 $27,956.00
Personal Care and Service 196 $22,090.00
Sales 1,182 $25,619.00
Office and Administrative Support 826 $35,000.00
Farming, Fishing, and Forestry 139 $21,767.00
Construction and Extraction 508 $42,963.00
Installation, Maintenance, and Repair 423 $45,711.00
Production 2,073 $42,539.00
Transportation and Material Moving 609 $33,750.00

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 464 $94,836.00 307 $52,981.00
Business and Financial 101 $44,760.00 179 $42,629.00
Computer and Mathematical 55 $70,536.00 0 $0.00
Architecture and Engineering 58 $92,955.00 15 $0.00
Life, Physical, and Social Science 9 $0.00 13 $0.00
Community and Social Service 46 $39,643.00 195 $33,767.00
Legal 62 $88,167.00 13 $0.00
Educational and Library 386 $56,875.00 532 $25,463.00
Arts, Design, Entertainment, Sports, and Media 37 $25,781.00 13 $0.00
Healthcare Practitioners 192 $78,152.00 566 $49,104.00
Healthcare Support 77 $18,487.00 475 $21,319.00
Firefighters and Protective Service 44 $23,125.00 8 $0.00
Law Enforcement 23 $0.00 12 $0.00
Food Preparation and Serving 359 $20,129.00 303 $11,651.00
Building and Grounds Cleaning 346 $30,750.00 245 $11,083.00
Personal Care and Service 47 $0.00 149 $27,578.00
Sales 320 $35,278.00 862 $25,597.00
Office and Administrative Support 126 $43,200.00 700 $34,680.00
Farming, Fishing, and Forestry 52 $41,500.00 87 $0.00
Construction and Extraction 483 $43,565.00 25 $0.00
Installation, Maintenance, and Repair 412 $45,441.00 11 $0.00
Production 1,506 $43,320.00 567 $38,491.00
Transportation and Material Moving 548 $37,553.00 61 $10,114.00

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 10,279 households in Ottumwa, with an average household size of 2.4 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 6,482 families in Ottumwa with an average family size of 2.95 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 4,248 591 1,643 3,797
Average Household Size 2.95 2.76 3.42 1.28
Total Families 4,248 591 1,643 0
Average Household Size 2.94 2.62 3.09 0

Poverty

Of the 6,482 families in Ottumwa, 12.60% are considered to be below the poverty threshold.

The table below shows the latest poverty thresholds in Ottumwa:

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 11,553 housing units in Ottumwa, Iowa.

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

Total Percentage
Occupied 10,279 88.97%
Vacant 1,274 11.03%

33.58% of the total 11,553 housing units in Ottumwa are rental units. This is approximately 3,880 properties.

For owner-occupied housing units, a total of 6,290 are occupied by the owner - or 54.44% of the total.

Rental Rates

The median rent for a property in Ottumwa is $840.00.

In the chart below, we can look at the number of rental properties in Ottumwa 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
    109
  • Less than $500
    599
  • $500 to $999
    2,078
  • $1,000 to $1,499
    1,100
  • $1,500 to $1,999
    40
  • $2,000 to $2,499
    15
  • $2,500 to $2,999
    8
  • $3,000 or more
    40

Property Value

The median value of a property in Ottumwa is $77,000.00.

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

  • Less than $50,000
    1,434
  • $50,000 to $99,999
    2,581
  • $100,000 to $149,999
    1,116
  • $150,000 to $199,999
    567
  • $200,000 to $299,999
    458
  • $300,000 to $499,999
    113
  • $500,000 to $999,999
    21
  • $1,000,000 or more
    0

Property Age

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

  • 1939 or earlier
    3,855
  • 1940 to 1949
    1,209
  • 1950 to 1959
    2,173
  • 1960 to 1969
    1,147
  • 1970 to 1979
    1,417
  • 1980 to 1989
    631
  • 1990 to 1999
    676
  • 2000 to 2009
    410
  • 2010 to 2013
    35
  • 2014 or later
    0

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 Ottumwa that have a particular number of vehicles available.

  • No vehicles available
    883
  • 1 vehicle available
    3,564
  • 2 vehicles available
    3,803
  • 3 or more vehicles available
    2,029

Commuting to Work

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

16.5 minutes is the average travel time to work for people in Ottumwa.

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
    991
  • 5 to 9 minutes
    3,058
  • 10 to 14 minutes
    2,813
  • 15 to 19 minutes
    1,532
  • 20 to 24 minutes
    652
  • 25 to 29 minutes
    414
  • 30 to 34 minutes
    784
  • 35 to 39 minutes
    162
  • 40 to 44 minutes
    121
  • 45 to 59 minutes
    194
  • 60 to 89 minutes
    202
  • 90 or more minutes
    240

Summary

We've covered a LOT of demographic and population data for Ottumwa, 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.