Marion is a medium-sized city located in the state of Iowa. With a population of 41,864 people and nine associated neighborhoods, Marion is the 13th largest community in Iowa. Marion 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 Marion, where the median household income is $81,519.00.

Also of interest is that Marion 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 Marion telecommute to their jobs. Overall, about 13.82% 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.

The education level of Marion citizens is very high relative to the national average among all cities (21.84%): 37.57% of adults in Marion have a bachelor's degree or even advanced degree.

The per capita income in Marion in 2022 was $42,616, which is wealthy relative to Iowa, and upper middle income relative to the rest of the US. This equates to an annual income of $170,464 for a family of four. However, Marion contains both very wealthy and poor people as well.

The people who call Marion home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Marion residents report their race to be White, followed by Black or African-American. Important ancestries of people in Marion include German, Irish, English, Norwegian, and Czech.

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