Buffalo is a city located in Scott County Iowa. With a 2020 population of 1,264, it is the 234th largest city in Iowa and the 9358th largest city in the United States . Buffalo is currently declining at a rate of -0.32% annually and its population has decreased by -0.47% since the most recent census, which recorded a population of 1,270 in 2010. Buffalo reached it's highest population of in . Spanning over 7 miles, Buffalo has a population density of 187 people per square mile.
The average household income in Buffalo is $66,325 with a poverty rate of 3.13%. The median rental costs in recent years comes to $478 per month, and the median house value is $121,100. The median age in Buffalo is 40.5 years, 40 years for males, and 43.1 years for females.