Overview Seneca is a very small city located in the state of Missouri. With a population of 2,293 people and just one neighborhood, Seneca is the 254th largest community in Missouri. Occupations and Workforce Seneca is neither predominantly blue-collar nor white-collar, instead having a mixed workforce of both blue-collar and white-collar jobs. Overall, Seneca is a city of service providers, sales and office workers, and production and manufacturing workers. There are especially a lot of people living in Seneca who work in personal care services (13.72%), management occupations (11.08%), and office and administrative support (8.18%). Setting & Lifestyle The city is relatively quiet, having a combination of lower population density and few of those groups of people who have a tendency to be noisy. For example, Seneca has relatively fewer families with younger children, and/or college students. Combined, this makes Seneca a pretty quiet place to live overall. If you like quiet, you will probably enjoy it here. Seneca is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day. Seneca Demographics The percentage of people in Seneca with college degrees is quite a bit lower than the national average for cities and towns of 21.84%: just 10.11% of people over 25 have a bachelor's degree or advanced degree. The per capita income in Seneca in 2022 was $22,040, which is low income relative to Missouri and the nation. This equates to an annual income of $88,160 for a family of four. However, Seneca contains both very wealthy and poor people as well. Seneca is a very ethnically-diverse city. The people who call Seneca home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Seneca residents report their race to be White, followed by Native Hawaiian. Important ancestries of people in Seneca include German, English, French, Irish, and Scottish. The most common language spoken in Seneca is English. Other important languages spoken here include Spanish and German/Yiddish.