Delphi is a city located in Indiana. With a 2020 population of 2,915, it is the 157th largest city in Indiana and the 6326th largest city in the United States. Delphi is currently growing at a rate of 0.41% annually and its population has increased by 0.76% since the most recent census, which recorded a population of 2,893 in 2010. Delphi reached it's highest population of 3,042 in 1980. Spanning over 3 miles, Delphi has a population density of 1,074 people per square mile.
The average household income in Delphi is $52,227 with a poverty rate of 15.32%. The median rental costs in recent years comes to $707 per month, and the median house value is $80,400. The median age in Delphi is 40.5 years, 37.6 years for males, and 42.9 years for females. For every 100 females there are 103.8 males.