Cai Last Name Popularity, Meaning and Origin

In this article we'll look at the origin and meaning of the surname Cai 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 Cai.

Cai, 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 Cai surname is from the 2010 census data.

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

According to the data, Cai is ranked #4,191 in terms of the most common surnames in America.

The Cai surname appeared 8,457 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 2.87 would have the surname Cai.

We can also compare 2010 data for Cai 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 4191 7178 -52.55%
Count 8,457 4,286 65.46%
Proportion per 100k 2.87 1.59 57.40%

Race and Ethnic Origin of People with the Last Name Cai

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

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 Cai was:

  • 1.54%, or 130 total occurrences, were "Non-Hispanic White Only".
  • (S), or less than 100 total occurrences, were "Non-Hispanic Black Only".
  • 95.83%, or 8,104 total occurrences, were "Non-Hispanic Asian and Pacific Islander Only".
  • (S), or less than 100 total occurrences, were "Non-Hispanic American Indian and Alaskan Native".
  • 1.08%, or 91 total occurrences, were "Non-Hispanic of Two or More Races".
  • 0.91%, or 77 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 Cai has changed in the 10 years between the two census surveys.

2010 2000 Change (%)
White 1.54% 1.56% -1.29%
Black (S) 0.75% 0.00%
Asian and Pacific Islander 95.83% 95.96% -0.14%
American Indian and Alaskan Native (S) (S) 0.00%
Two or More Races 1.08% 1.26% -15.38%
Hispanic 0.91% (S) 0.00%

Data Source(s)

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

Link To or Reference This Page

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  • "Cai Last Name Popularity, Meaning and Origin". Accessed on May 29, 2023.

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