Rau Last Name Popularity, Meaning and Origin

In this article we'll look at the origin and meaning of the surname Rau and how popular it is in the United States. We'll also look at the race and ethnic origin of people in the United States who are named Rau.

Rau, like all of the names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Rau surname is from the 2010 census data.

Where Does Rau Rank in the Most Common U.S. Names?

According to the data, Rau is ranked #3,968 in terms of the most common surnames in America.

The Rau surname appeared 8,961 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 3.04 would have the surname Rau.

We can also compare 2010 data for Rau to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

2010 2000 Change (%)
Rank 3968 3975 -0.18%
Count 8,961 8,208 8.77%
Proportion per 100k 3.04 3.04 0.00%

Race and Ethnic Origin of People with the Last Name Rau

We also have some data on the ancestry of people with the surname Rau.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups: "White only", "Black only", "American Indian and Alaskan Native only", "Asian and Pacific Islander only", "Two or More Races", and "Hispanic".

For the most recent 2010 census data, the race/ethnic origin breakdown for Rau was:

  • 90.97%, or 8,152 total occurrences, were "Non-Hispanic White Only".
  • 1.70%, or 152 total occurrences, were "Non-Hispanic Black Only".
  • 3.11%, or 279 total occurrences, were "Non-Hispanic Asian and Pacific Islander Only".
  • 0.36%, or 32 total occurrences, were "Non-Hispanic American Indian and Alaskan Native".
  • 1.64%, or 147 total occurrences, were "Non-Hispanic of Two or More Races".
  • 2.22%, or 199 total occurrences, were "Hispanic Origin".

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Rau has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 90.97% 92.24% -1.39%
Black 1.70% 1.12% 41.13%
Asian and Pacific Islander 3.11% 3.65% -15.98%
American Indian and Alaskan Native 0.36% 0.38% -5.41%
Two or More Races 1.64% 1.11% 38.55%
Hispanic 2.22% 1.50% 38.71%

Data Source(s)

All of the data on this page is sourced from the Decennial Census survey, from the United States Census Bureau.

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  • "Rau Last Name Popularity, Meaning and Origin". NameCensus.com. Accessed on June 29, 2022. http://namecensus.com/last-names/rau-surname-popularity/.

  • "Rau Last Name Popularity, Meaning and Origin". NameCensus.com, http://namecensus.com/last-names/rau-surname-popularity/. Accessed 29 June, 2022

  • Rau Last Name Popularity, Meaning and Origin. NameCensus.com. Retrieved from http://namecensus.com/last-names/rau-surname-popularity/.