Derby is a somewhat small city located in the state of Connecticut. With a population of 12,358 people and two associated neighborhoods, Derby is the 86th largest community in Connecticut.

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

Telecommuters are a relatively large percentage of the workforce: 12.65% of people work from home. While this number may seem small overall, as a fraction of the total workforce it is high relative to the nation. 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.

In terms of college education, Derby 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: 29.39% of adults in Derby have a college degree.

The per capita income in Derby in 2022 was $40,298, which is low income relative to Connecticut, and upper middle income relative to the rest of the US. This equates to an annual income of $161,192 for a family of four. However, Derby contains both very wealthy and poor people as well.

Derby is an extremely ethnically-diverse city. The people who call Derby home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Derby residents report their race to be White, followed by Black or African-American. Derby also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 23.05% of the city’s residents. Important ancestries of people in Derby include Italian, Irish, Polish, English, and German.

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