Smithfield is a somewhat small city located in the state of Utah. With a population of 14,425 people and two associated neighborhoods, Smithfield is the 53rd largest community in Utah. Smithfield has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in Smithfield, where the median household income is $87,175.00.

Also of interest is that Smithfield 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 Smithfield telecommute to their jobs. Overall, about 16.53% 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.

Smithfield is a good choice for families with children because of several factors. Many other families with children live here, making it a place where both parents and children are more likely to develop social ties with other families. The city’s good public school district and large population of college-educated adults provide an environment conducive to academic success. Many people own their own single-family homes, providing areas for children to play and stability in the community. Finally, Smithfield’s overall crime rate ranks among the lowest in the country, making it one of the safest places to raise a family.

Smithfield is one of the most well-educated cities in the nation. 42.63% of adults in Smithfield have at least a bachelor's degree. Compare that to the average community in America, which has just 21.84% with a bachelor's degree or higher.

The per capita income in Smithfield in 2022 was $27,949, which is lower middle income relative to Utah and the nation. This equates to an annual income of $111,796 for a family of four. However, Smithfield contains both very wealthy and poor people as well.

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

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