Fairfield is a somewhat small city located in the state of Iowa. With a population of 9,300 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: 25.44% 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 12.86 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.

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

If knowledge is power, Fairfield is a pretty powerful place. 51.20% of the adults in Fairfield have earned a 4-year college degree, masters degree, MD, law degree, or even PhD. Compare that to the national average of 21.84% for all cities and towns.

The per capita income in Fairfield in 2022 was $35,227, which is middle income relative to Iowa and the nation. This equates to an annual income of $140,908 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 Black or African-American. Important ancestries of people in Fairfield include English, German, Irish, European, and Norwegian.

Foreign born people are also an important part of Fairfield's cultural character, accounting for 17.18% of the city’s population.

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