Fairfield is a somewhat small city located in the state of Iowa. With a population of 9,464 people and three associated neighborhoods, Fairfield is the 45th largest community in Iowa. Fairfield has a large stock of pre-World War II architecture, making it one of the older and more historic cities in the country.

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

One interesting thing about the economy is that relatively large numbers of people worked from their home: 20.57% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. 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.

Compared to the rest of the country, citizens of Fairfield spend much less time in their cars: on average, their commute to work is only 12.92 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

Being a small city, Fairfield does not have a public transit system used by locals to get to and from work.

The education level of Fairfield ranks among the highest in the nation. Of the 25-and-older adult population in Fairfield, 49.68% have at least a bachelor's degree. The typical US community has just 21.84% of its adults holding a bachelor's degree or graduate degree.

The per capita income in Fairfield in 2022 was $38,109, which is upper middle income relative to Iowa and the nation. This equates to an annual income of $152,436 for a family of four. However, Fairfield contains both very wealthy and poor people as well.

Fairfield is a very ethnically-diverse city. The people who call Fairfield home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Fairfield residents report their race to be White, followed by Asian. Important ancestries of people in Fairfield include German, Irish, English, Swedish, and Norwegian.

Fairfield also has a high percentage of its population that was born in another country: 16.94%.

The most common language spoken in Fairfield is English. Other important languages spoken here include Vietnamese and Langs. of India.