Seneca Flag

Seneca

County:
Newton County
County Seat:
No
Area (mi²):
2.559
State:
Missouri

Seneca is a city located in Newton County, Missouri. Seneca has a 2026 population of 2,354. Seneca is currently growing at a rate of 0.81% annually and its population has increased by 5.14% since the most recent census, which recorded a population of 2,239 in 2020.

The median household income in Seneca is $46,023 with a poverty rate of 21.45%. The median age in Seneca is 39.9 years: 37.4 years for males, and 40.8 years for females. For every 100 females there are 117.8 males.

2.4K
Total Population
920
Density (mi²)
19 0.81%
Growth

Seneca Population

Seneca Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,354190.81%
20252,335190.82%
20242,316140.61%
20232,302110.48%
20222,291190.84%
20212,272331.47%
20202,23930.13%
20192,38860.25%
20182,38260.25%
20172,37670.3%
20162,369120.51%
20152,357-2-0.08%
20142,359-10-0.42%
20132,36900%
20122,36980.34%
20112,361251.07%
20102,33930.13%

Median Age

Overall: 39.9 years
Female: 40.8 years
Male: 37.4 years

Seneca Adults

There are 1,426 adults, (464 of whom are seniors) in Seneca.

Sex Ratio

Female: 875 (45.9%)
Male: 1,031 (54.1%)

Demographics

The racial composition of Seneca includes 75.55% White, 6.82% other race, 6.72% Native Hawaiian or Pacific Islander, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,44075.55%
Two or more races1628.5%
Other race1306.82%
Native Hawaiian or Pacific Islander1286.72%
Native American432.26%
Asian30.16%
Race
Population ↓
Percentage (of total)
Two or more races442.31%
Other race351.84%
White130.68%
Race
Population ↓
Percentage (of total)
White1,42774.87%
Native Hawaiian or Pacific Islander1286.72%
Two or more races1186.19%
Other race954.98%
Native American432.26%
Asian30.16%

Seneca Marital Status

Economics and Income Statistics

Seneca 's average per capita income is $37,700. Household income levels show a median of $46,023. The poverty rate stands at 21.45%.

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$55,500-
Families$46,250$63,667
Households$46,023$58,600
Non Families$22,708$33,701

$37,700

Average Income

$46,023

Median Household Income

21.45%

Poverty Rate

Nearby Cities

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)