US Population With Last Name Johnston By Race and Ethnicity in the 2010 Census
Updated on December 11, 2025.
Data Source: US Census Bureau.
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In the 2010 Census, there were 131,373 people in the US whose last name was Johnston, and the rate of occurence of the Johnston last name was 44.54 per 100K.
The race of 91.62% of the people with the last name of Johnston was Non Hispanic White Alone (i.e. 120,364 people); 2.62% was Hispanic or Latino (i.e. 3,442 people); and 2.41% was Non Hispanic Black or African American Alone (i.e. 3,166 people).
The table below below shows by race and ethnicity, the number of people and the percentage of the total people with the Johnston last name.
US Population With Last Name Johnston By Race And Ethniciity in the 2010 Census
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| Last Name | Number of People | Percent of Total (%) |
|---|---|---|
| Non Hispanic White Alone | 120364 | 91.62 |
| Hispanic or Latino | 3442 | 2.62 |
| Non Hispanic Black or African American Alone | 3166 | 2.41 |
| Non Hispanic Two or More Races | 2417 | 1.84 |
| Non Hispanic American Indian and Alaska Native Alone | 1090 | 0.83 |
| Non Hispanic Asian and Native Hawaiian and Other Pacific Islander Alone | 893 | 0.68 |