Explore the Family Name Gronau
The meaning of Gronau
German: habitational name from any of eleven places in northern Germany so named, from Middle Low German grōne ‘green’ + ōwe ‘water meadow’ or ‘river island’. Some characteristic forenames: German Kurt, Hans, Erwin, Heinz, Lothar.
Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.
How common is the last name Gronau in the United States?
According to the Decennial U.S. Census data, the surname Gronau saw a slight increase in popularity from 2000 to 2010. In 2000, Gronau was ranked as the 37,640th most common surname, but by 2010, it had improved its rank to the 37,229th position, experiencing a ranking change of 1.09 percent. The number of individuals with this last name also increased during this period, with a count of 556 in 2000 and 599 in 2010 — an increase of 7.73 percent. However, the proportion per 100,000 people saw a slight decrease of -4.76 percent.
| 2000 | 2010 | Change | |
|---|---|---|---|
| Rank | #37,640 | #37,229 | 1.09% |
| Count | 556 | 599 | 7.73% |
| Proportion per 100k | 0.21 | 0.2 | -4.76% |
Race and Ethnicity of people with the last name Gronau
Regarding its ethnic identity, Gronau's representation among different groups varied between 2000 and 2010, as shown in the Decennial U.S. Census data. There was no recorded representation within the Asian/Pacific Islander or Black communities in either year. Individuals identifying as White made up the largest proportion of people with the Gronau surname, although their representation decreased slightly from 95.86 percent in 2000 to 93.32 percent in 2010. Those identifying with two or more races saw an increase from 1.44 percent to 2.00 percent, a change of 38.89 percent. The Hispanic community's representation nearly doubled from 0.90 percent in 2000 to 1.84 percent in 2010, an increase of 104.44 percent. Finally, there were no American Indian and Alaskan Native individuals with this surname in 2000, but they represented 1.17 percent of the Gronau population in 2010.
| 2000 | 2010 | Change | |
|---|---|---|---|
| White | 95.86% | 93.32% | -2.65% |
| Two or More Races | 1.44% | 2% | 38.89% |
| Hispanic | 0.9% | 1.84% | 104.44% |
| American Indian and Alaskan Native | 0% | 1.17% | 0% |
| Asian/Pacific Islander | 0% | 0% | 0% |
| Black | 0% | 0% | 0% |