Population density (sq mi)1,1065791
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%

Key findings

  • The population density in Lewis is 1840% 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
  • In Lewis 0.00% of the population is Asian

Compare Lewis, IA Demographics


      Lewis population breakdown by race

      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.

      Household income distribution

      Place of birth by citizenship

      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).