Lewis Flag

Lewis

County:
Cass County
County Seat:
No
Area (mi²):
0.505
State:
Iowa

Lewis is a city located in Cass County, Iowa. Lewis has a 2025 population of 364. Lewis is currently growing at a rate of 0.28% annually and its population has increased by 1.39% since the most recent census, which recorded a population of 359 in 2020.

The average household income in Lewis is $51,005 with a poverty rate of 14.41%.The median age in Lewis is 60.5 years: 58.9 years for males, and 61.5 years for females.

364
Total Population
720
Density (mi²)
1 0.28%
Growth

Lewis Population

Lewis Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lewis includes 95.27% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White44395.27%
Two or more races224.73%

Lewis Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lewis' average per capita income is $39,000. Household income levels show a median of $34,341. The poverty rate stands at 14.41%.

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
Families$34,757$59,758
Households$34,341$51,005
Non Families$24,844$34,356
Married Families--

$39,000

Average Income

$34,341

Median Household Income

14.41%

Poverty Rate

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)