Lewis County Flag

Lewis County

State:
Missouri
County Seat:
Monticello

Lewis County's estimated 2025 population is 9,682 with a growth rate of -0.7% in the past year according to the most recent United States census data. Lewis County is the 87th largest county in Missouri. The 2010 population was 10,206 and has seen a growth of -5.13% since that time.

9,682
Total Population
19
Population Density (mi²)
87
Population Rank (State)
-68 -0.7%
Annual Population Growth

Lewis County Population

Lewis County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lewis County includes 92.18% White, 3.04% Black or African American, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Native American, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White9,16792.18%
Two or more races4024.04%
Black or African American3023.04%
Asian460.46%
Native Hawaiian or Pacific Islander160.16%
Native American80.08%
Other race40.04%

Lewis County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lewis County's average per capita income is $40,647. Household income levels show a median of $52,340. The poverty rate stands at 15.28%.

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$78,627-
Families$76,250$91,708
Households$52,340$68,625
Non Families$29,017$35,228

$40,647

Average Income

$52,340

Median Household Income

15.28%

Poverty Rate