Guttenberg is a city located in Clayton County Iowa. With a 2020 population of 1,794, it is the 178th largest city in Iowa and the 8029th largest city in the United States . Guttenberg is currently declining at a rate of -0.28% annually and its population has decreased by -6.51% since the most recent census, which recorded a population of 1,919 in 2010. Guttenberg reached it's highest population of in . Spanning over 2 miles, Guttenberg has a population density of 858 people per square mile.
The average household income in Guttenberg is $62,473 with a poverty rate of 7.49%. The median rental costs in recent years comes to $539 per month, and the median house value is $150,100. The median age in Guttenberg is 58.2 years, 53.2 years for males, and 60.8 years for females.