Effingham is a medium-sized city located in the state of Illinois. With a population of 12,434 people and three associated neighborhoods, Effingham is the 196th largest community in Illinois.

Also of interest is that Effingham has more people living here who work in computers and math than 95% of the places in the US.

A relatively large number of people in Effingham telecommute to their jobs. Overall, about 12.46% of the workforce works from home. While this may seem like a small number, as a fraction of the total workforce it ranks among the highest in the country. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

One of the benefits of Effingham is that there is very little traffic. The average commute to work is 14.31 minutes, which is substantially less than the national average. Not only does this mean that the drive to work is less aggravating, but noise and pollution levels are lower as a result.

In terms of college education, Effingham is substantially better educated than the typical community in the nation, which has 21.84% of the adults holding a bachelor's degree or graduate degree: 29.15% of adults in Effingham have a college degree.

The per capita income in Effingham in 2022 was $38,328, which is middle income relative to Illinois, and upper middle income relative to the rest of the US. This equates to an annual income of $153,312 for a family of four. However, Effingham contains both very wealthy and poor people as well.

The people who call Effingham home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Effingham residents report their race to be White, followed by Asian. Important ancestries of people in Effingham include German, English, Irish, French, and Scottish.

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