Underwood demographics profile

Population density (sq mi)7365591
Median age33.538.037.7
Male/Female ratio1.0:11.0:11.0:1
Married (15yrs & older)69%60%55%
Speak English99%92%79%
Speak Spanish1%4%13%
Underwood, IA has a population of 808 and is the 16,546th largest city in the United States. The population density is 736 per sq mi which is 1248% higher than the Iowa average and 713% higher than the national average. The median age in Underwood is 34 which is approximately 12% lower than the Iowa average of 38. In Underwood, 69% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 62% of Underwood residents were born in Iowa, 38% were born out of state, 0% were born outside of the United States and 1% were foreign born.

Did you know?

  • The population density in Underwood is 1248% higher than Iowa.
  • The median age in Underwood is 12% lower than Iowa.
  • In Underwood 98.02% of the population is White.
  • In Underwood 0.00% of the population is African American.
  • In Underwood 0.00% of the population is Asian.

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Underwood population breakdown by race

African American0.00%3.32%12.63%
American Indian0.00%0.32%0.82%
Native Hawaiian0.00%0.08%0.18%
Mixed race1.98%1.97%3.06%
Other race0.00%1.27%4.75%
In Underwood, 1.1% of people are of Hispanic or Latino origin.
Please note: Hispanics may be of any race, so also are included in any/all of the applicable race categories above.

Languages spoken

Place of birth by citizenship

Household income distribution

Source of income

Underwood age breakdown

Marital status

Age of children in married couples

Source: The Underwood, IA demographics data displayed above is derived from the 2016 United States Census Bureau American Community Survey (ACS).