North Iowa Reporter

Of the 321 people living in Marble Rock in 2019, 48.9 percent (157) were women and 51.1 percent (164) were men, according to U.S. Census Bureau data obtained by the North Iowa Reporter.

Males 18 and over outnumbered females in the same age group by a ratio of 97-to-84. In the 65 and over age range, there were 61 females and 35 males.

An agency of the U.S. Federal Statistical System, the Census Bureau is responsible for compiling statistical facts about the American people, places and economy. Data for this story was compiled from the bureau's American Community Survey. Information from the survey helps to determine how federal and state funds are distributed.

Sex and age range	Estimated number	Percent of total
Males 18 and over	97	30.2
Females 18 and over	84	26.2
Males 65 and over	35	10.9
Females 65 and over	61	19

Source: US Census Bureau