Ottumwa Flag

Ottumwa

County:
Wapello County
County Seat:
Yes
Area (mi²):
16.064
State:
Iowa

Ottumwa is a city located in Wapello County, Iowa. Ottumwa has a 2026 population of 25,742. It is also the county seat of Wapello County. Ottumwa is currently growing at a rate of 0.18% annually and its population has increased by 1.11% since the most recent census, which recorded a population of 25,459 in 2020.

The median household income in Ottumwa is $61,103 with a poverty rate of 17.17%. The median age in Ottumwa is 36.7 years: 34.8 years for males, and 38.3 years for females. For every 100 females there are 102.7 males.

25.7K
Total Population
1,602
Density (mi²)
47 0.18%
Growth

Ottumwa Population

Ottumwa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202625,742470.18%
202525,695470.18%
202425,6482100.83%
202325,4382210.88%
202225,217-191-0.75%
202125,408-51-0.2%
202025,459-86-0.34%
201924,519480.2%
201824,471120.05%
201724,459-201-0.82%
201624,660-154-0.62%
201524,81490.04%
201424,805-77-0.31%
201324,882380.15%
201224,844-57-0.23%
201124,901-160-0.64%
201025,061380.15%
200024,9985102.08%
199024,488-2,893-10.57%
198027,381-2,229-7.53%
197029,610-4,261-12.58%
196033,8712400.71%
195033,6312,0616.53%
194031,5703,49512.45%
193028,0755,07222.05%
192023,0039914.5%
191022,0123,81520.96%
190018,1974,19629.97%
189014,0014,99755.5%
18809,0043,79072.69%
18705,21400%

Median Age

Overall: 36.7 years
Female: 38.3 years
Male: 34.8 years

Ottumwa Adults

There are 19,161 adults, (4,107 of whom are seniors) in Ottumwa.

Sex Ratio

Female: 12,545 (49.3%)
Male: 12,885 (50.7%)

Demographics

The racial composition of Ottumwa includes 73.44% White, 5.78% other race, 4.08% Black or African American, 3.37% Native Hawaiian or Pacific Islander, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White18,67773.44%
Two or more races2,62010.3%
Other race1,4715.78%
Black or African American1,0374.08%
Native Hawaiian or Pacific Islander8573.37%
Asian6342.49%
Native American1340.53%
Race
Population ↓
Percentage (of total)
Two or more races1,6076.32%
Other race1,4175.57%
White1,1364.47%
Native American1270.5%
Asian550.22%
Black or African American140.06%
Race
Population ↓
Percentage (of total)
White17,54168.98%
Black or African American1,0234.02%
Two or more races1,0133.98%
Native Hawaiian or Pacific Islander8573.37%
Asian5792.28%
Other race540.21%
Native American70.03%

Ottumwa Marital Status

Economics and Income Statistics

Ottumwa 's average per capita income is $44,349. Household income levels show a median of $61,103. The poverty rate stands at 17.17%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$93,471-
Families$72,192$83,095
Households$61,103$75,711
Non Families$44,487$60,415

$44,349

Average Income

$61,103

Median Household Income

17.17%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)