Lewis demographics profile

Population density (sq mi)1,1065591
Median age44.338.037.7
Male/Female ratio0.9:11.0:11.0:1
Married (15yrs & older)68%60%55%
Families w/ Kids under 1840%44%43%
Speak English98%92%79%
Speak Spanish1%4%13%
Lewis, IA has a population of 553 and is the 18,950th largest city in the United States. The population density is 1,106 per sq mi which is 1924% higher than the Iowa average and 1120% higher than the national average. The median age in Lewis is 44 which is approximately 17% higher than the Iowa average of 38. In Lewis, 68% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 62% of Lewis residents were born in Iowa, 38% were born out of state, 0% were born outside of the United States and 0% were foreign born.

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Did you know?

  • The population density in Lewis is 1924% higher than Iowa.
  • The median age in Lewis is 17% higher than Iowa.
  • In Lewis 94.94% of the population is White.
  • In Lewis 0.00% of the population is Black or African American.
  • In Lewis 0.00% of the population is Asian.

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Lewis population breakdown by race

Black or African American0.00%3.32%12.63%
American Indian0.72%0.32%0.82%
Native Hawaiian0.00%0.08%0.18%
Mixed race4.34%1.97%3.06%
Other race0.00%1.27%4.75%
In Lewis, 2.9% 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

Lewis age breakdown

Marital status

Age of children in married couples

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