Woodbury County Flag

Woodbury County

State:
Iowa
County Seat:
Sioux City

Woodbury County's estimated 2025 population is 106,737 with a growth rate of 0.37% in the past year according to the most recent United States census data. Woodbury County is the 7th largest county in Iowa. The 2010 population was 102,393 and has seen a growth of 4.24% since that time.

106,737
Total Population
122
Population Density (mi²)
7
Population Rank (State)
393 0.37%
Annual Population Growth

Woodbury County Population

Woodbury County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Woodbury County includes 74.11% White, 4.55% Black or African American, 3.7% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White78,37574.11%
Two or more races13,78213.03%
Black or African American4,8134.55%
Other race3,9123.7%
Asian2,6542.51%
Native American1,8021.7%
Native Hawaiian or Pacific Islander4220.4%

Woodbury County Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Woodbury County's average per capita income is $46,395. Household income levels show a median of $70,147. The poverty rate stands at 13.34%.

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$106,213$121,370
Families$87,337$103,676
Households$70,147$88,318
Non Families$38,305$53,164

$46,395

Average Income

$70,147

Median Household Income

13.34%

Poverty Rate