Seneca, Missouri Population 2023

2,197

Seneca is a city located in Newton County Missouri. With a 2023 population of 2,197, it is the 245th largest city in Missouri and the 10450th largest city in the United States.Seneca is currently declining at a rate of -0.50% annually and its population has decreased by -1.48% since the most recent census, which recorded a population of 2,230 in 2020. Spanning over 3 miles, Seneca has a population density of 859 people per square mile.

The average household income in Seneca is $47,123 with a poverty rate of 25.05%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Seneca is 31.7 years, 29.4 years for males, and 42.3 years for females.

Seneca Demographics

According to the most recent ACS, the racial composition of Seneca was:

  • White: 82.95%
  • Native American: 6.28%
  • Native Hawaiian or Pacific Islander: 4.53%
  • Two or more races: 3.95%
  • Asian: 1.35%
  • Other race: 0.94%
  • Black or African American: 0.00%
The current population of Seneca, Missouri is 2,197 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,230.

Seneca, Missouri Population 2023

Population by Race

White

Native American

Native Hawaiian or Pacific Islander

Two or more races

Asian

Other race

Black or African American

Seneca Population by Race

Seneca Population Pyramid 2023

Seneca Median Age

31.7

Total

29.4

Male

42.3

Female

Seneca Adults

There are 1,580 adults, (404 of whom are seniors) in Seneca.

Seneca Age Dependency

89.5

Age Dependency Ratio

34.4

Old Age Dependency Ratio

55.2

Child Dependency Ratio

Seneca Sex Ratio

Female1,10849.71%
Male1,12150.29%

Seneca Population by Age

Seneca Renter vs Owner Occupied by Household Type

3.55

Average Family Size

2.87

Average Household Size

62.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Seneca Households and Families

Male

Female

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Seneca Educational Attainment by Sex (over 25)

Seneca Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among other race people with a rate of 47.62%.

Seneca Educational Attainment by Race

All

Male

Female

$30,037

Average Earnings

$32,857

Average Male

$20,174

Average Female

Seneca Earnings by Educational Attainment

Seneca Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Seneca Language

91.36% of Seneca residents speak only English, while 8.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.54% of the population.

Seneca Language

Seneca Poverty by Race

rate

25.05%

Overall Poverty Rate

19.76%

Male Poverty Rate

18.33%

Female Poverty Rate

Poverty in Seneca

The race most likely to be in poverty in Seneca is Other, with 100.00% below the poverty level.

The race least likely to be in poverty in Seneca is Native, with 14.56% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 5.39%. Among those working part-time, it was 16.52%, and for those that did not work, the poverty rate was 29.77%.

Seneca Poverty

Seneca Poverty Rate by Education

Seneca Poverty Rate by Employment Status and Sex

Seneca Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

mean

median

Income by Household Type

Seneca Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.4%

Overall Marriage Rate

56.6%

Male Marriage Rate

50.5%

Female Marriage Rate

Seneca Married by Age and Sex

male

female

Seneca Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.

Seneca Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Seneca Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

136

Number of Veterans

130

Male Veterans

6

Female Veterans

Seneca Veterans by War

Seneca Veterans by Age

count

Seneca Veterans by Race

Seneca Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

13.97%

Veteran Poverty Rate

65.44%

Veteran Disability Rate

Seneca Veterans by Education

LaborForceParticipation

53.5%

Labor Force Participation

51.2%

Employment Rate

4.4%

Unemployment Rate

Seneca Employment by Age

LaborForceParticipation

Seneca Employment by Race

LaborForceParticipation

Seneca Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

61.03%

Born in Seneca

95.61%

Native Born

4.35%

Foreign Born

3.32%

Non Citizen

1.03%

Naturalized

Place of Birth

95.61% of Seneca residents were born in the United States, with 61.03% having been born in Missouri. 3.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Oceania.

Seneca Place of Birth

Note: data after 2020 is projected based on recent growth

Seneca Population by Year