Preston is a city located in Jackson County Iowa. With a 2020 population of 951, it is the 290th largest city in Iowa and the 10521st largest city in the United States . Preston is currently declining at a rate of -0.42% annually and its population has decreased by -6.03% since the most recent census, which recorded a population of 1,012 in 2010. Preston reached it's highest population of in . Spanning over 1 miles, Preston has a population density of 1,104 people per square mile.
The average household income in Preston is $71,587 with a poverty rate of 10.30%. The median rental costs in recent years comes to $584 per month, and the median house value is $115,100. The median age in Preston is 37.6 years, 37.1 years for males, and 38.6 years for females.