Explore the Family Name Janus

How common is the last name Janus in the United States?

According to the Decennial U.S. Census data, the surname Janus has seen a slight decrease in popularity over the decade from 2000 to 2010. In 2000, it held a rank of 13,220, but by 2010, its rank had slipped to 13,903, marking a decline of 5.17%. Despite this drop in rank, the total count of individuals with the Janus surname actually increased during this period, from 2,118 to 2,172, signaling a growth of 2.55%. However, when considering the proportion per 100,000 residents, there was a small dip of 6.33%, from 0.79 in 2000 to 0.74 in 2010.

20002010Change
Rank#13,220#13,903-5.17%
Count2,1182,1722.55%
Proportion per 100k0.790.74-6.33%

Race and Ethnicity of people with the last name Janus

The Decennial U.S. Census also provides insight into the ethnic identity associated with the surname Janus. There was substantial diversity in the changes observed between 2000 and 2010. The percentage of individuals identifying as Asian/Pacific Islander grew significantly by 78.75%, albeit from a small base of 0.80% to 1.43%. Those reporting two or more ethnicities also saw an increase of 23.58%. Meanwhile, the predominant ethnicity of White saw a minor decrease of 2.68%, reducing from 94.62% to 92.08%. The Hispanic representation increased by 45.11%, while Black representation also rose considerably by 110%, though starting from a low baseline of 0.90% to 1.89%. Conversely, those identifying as American Indian and Alaskan Native declined by 32.79%.

20002010Change
White94.62%92.08%-2.68%
Hispanic1.84%2.67%45.11%
Black0.9%1.89%110%
Two or More Races1.23%1.52%23.58%
Asian/Pacific Islander0.8%1.43%78.75%
American Indian and Alaskan Native0.61%0.41%-32.79%