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.

One of the benefits of Fairfield is that there is very little traffic. The average commute to work is 12.92 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.

As is often the case in a small city, Fairfield doesn't have a public transportation system that people use for their commute.

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 2018 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.

Foreign born people are also an important part of Fairfield's cultural character, accounting for 16.94% of the city’s population.

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