Fostoria is a somewhat small city located in the state of Ohio. With a population of 13,035 people and four associated neighborhoods, Fostoria is the 145th largest community in Ohio. Fostoria has a large stock of pre-World War II architecture, making it one of the older and more historic cities in the country.

The citizens of Fostoria have a very low rate of college education: just 8.41% of people over 25 have a bachelor's degree or advanced degree, compared to a national average of 21.84% for all cities.

The per capita income in Fostoria in 2022 was $23,187, which is low income relative to Ohio and the nation. This equates to an annual income of $92,748 for a family of four. However, Fostoria contains both very wealthy and poor people as well.

Fostoria is a very ethnically-diverse city. The people who call Fostoria home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Fostoria residents report their race to be White, followed by Black or African-American. Fostoria also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 15.33% of the city’s residents. Important ancestries of people in Fostoria include German, Irish, English, Italian, and French.

The most common language spoken in Fostoria is English. Other important languages spoken here include Spanish and Polish.