Rocky Hill Borough, New Jersey Voting-age Population By Ethnicity in Census 2020
Updated on February 22, 2026.
According to the data from the US 2020 decennial Census, in April 2020, among Rocky Hill Borough, NJ voting-age population of 553 people, 86.62% of them (479 people) identified their ethnicity as Non-Hispanic - White Alone, 3.98% of them (22 people) identified their ethnicity as Hispanic - Two Or More Races, and 3.80% of them (21 people) identified their ethnicity as Non-Hispanic - Asian Alone.
The first chart below shows the voting-age population by ethnicity and the second chart shows the percentage of the voting-age population for each ethnicity. You can also find this information in a table below.
You can see similar information for other New Jersey cities and places and also for the state of New Jersey.
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Data Source: US Census Bureau, 2020 Census.
Rocky Hill Borough, NJ Voting-age Population By Ethnicity in Census 2020
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| Ethnicity | Voting-age Population | % of Place Voting-age Population |
|---|---|---|
| Non-Hispanic - White Alone | 479 | 86.62 |
| Hispanic - Two Or More Races | 22 | 3.98 |
| Non-Hispanic - Asian Alone | 21 | 3.80 |
| Non-Hispanic - Two Or More Races | 12 | 2.17 |
| Hispanic - Some Other Race Alone | 10 | 1.81 |
| Hispanic - White Alone | 5 | 0.90 |
| Non-Hispanic - Some Other Race Alone | 2 | 0.36 |
| Non-Hispanic - Black or African American Alone | 1 | 0.18 |
| Non-Hispanic - American Indian and Alaska Native Alone | 1 | 0.18 |
| Hispanic - Black or African American Alone | 0 | 0.00 |
| Hispanic - American Indian and Alaska Native Alone | 0 | 0.00 |
| Hispanic - Asian Alone | 0 | 0.00 |
| Non-Hispanic - Native Hawaiian And Pacific Islander Alone | 0 | 0.00 |
| Hispanic - Native Hawaiian And Pacific Islander Alone | 0 | 0.00 |