2020
Hamilton Branch CDP, California – Racial and ethnic composition
Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.| Race / Ethnicity (NH = Non-Hispanic) | Pop 2000 [20] | Pop 2010 [21] | Pop 2020 [22] | % 2000 | % 2010 | % 2020 |
|---|
| White alone (NH) | 552 | 499 | 436 | 94.04% | 92.92% | 86.34% |
| Black or African American alone (NH) | 0 | 2 | 2 | 0.00% | 0.37% | 0.40% |
| Native American or Alaska Native alone (NH) | 1 | 0 | 4 | 0.17% | 0.00% | 0.79% |
| Asian alone (NH) | 1 | 3 | 1 | 0.17% | 0.56% | 0.20% |
| Native Hawaiian or Pacific Islander alone (NH) | 0 | 0 | 0 | 0.00% | 0.00% | 0.00% |
| Other race alone (NH) | 0 | 0 | 3 | 0.00% | 0.00% | 0.59% |
| Mixed race or Multiracial (NH) | 5 | 13 | 23 | 0.85% | 2.42% | 4.55% |
| Hispanic or Latino (any race) | 28 | 20 | 36 | 4.77% | 3.72% | 7.13% |
| Total | 587 | 537 | 505 | 100.00% | 100.00% | 100.00% |
The 2020 United States census reported that Hamilton Branch had a population of 505. The population density was 465.4 inhabitants per square mile (179.7/km2). The racial makeup of Hamilton Branch was 442 (87.5%) White, 2 (0.4%) African American, 4 (0.8%) Native American, 1 (0.2%) Asian, 0 (0.0%) Pacific Islander, 5 (1.0%) from other races, and 51 (10.1%) from two or more races. Hispanic or Latino of any race were 36 persons (7.1%). [23]
The whole population lived in households. There were 241 households, out of which 26 (10.8%) had children under the age of 18 living in them, 125 (51.9%) were married-couple households, 8 (3.3%) were cohabiting couple households, 42 (17.4%) had a female householder with no partner present, and 66 (27.4%) had a male householder with no partner present. 91 households (37.8%) were one person, and 48 (19.9%) were one person aged 65 or older. The average household size was 2.10. [23] There were 139 families (57.7% of all households). [24]
The age distribution was 80 people (15.8%) under the age of 18, 15 people (3.0%) aged 18 to 24, 70 people (13.9%) aged 25 to 44, 184 people (36.4%) aged 45 to 64, and 156 people (30.9%) who were 65 years of age or older. The median age was 57.1 years. For every 100 females, there were 117.7 males. [23]
There were 442 housing units at an average density of 407.4 units per square mile (157.3 units/km2), of which 241 (54.5%) were occupied. Of these, 213 (88.4%) were owner-occupied, and 28 (11.6%) were occupied by renters. [23]
2010
At the 2010 census Hamilton Branch had a population of 537. The population density was 494.7 inhabitants per square mile (191.0/km2). The racial makeup of Hamilton Branch was 514 (95.7%) White, 2 (0.4%) African American, 0 (0.0%) Native American, 3 (0.6%) Asian, 0 (0.0%) Pacific Islander, 3 (0.6%) from other races, and 15 (2.8%) from two or more races. Hispanic or Latino of any race were 20 people (3.7%). [25]
The whole population lived in households, no one lived in non-institutionalized group quarters and no one was institutionalized.
There were 234 households, 50 (21.4%) had children under the age of 18 living in them, 146 (62.4%) were opposite-sex married couples living together, 7 (3.0%) had a female householder with no husband present, 9 (3.8%) had a male householder with no wife present. There were 15 (6.4%) unmarried opposite-sex partnerships, and 2 (0.9%) same-sex married couples or partnerships. 58 households (24.8%) were one person and 27 (11.5%) had someone living alone who was 65 or older. The average household size was 2.29. There were 162 families (69.2% of households); the average family size was 2.72.
The age distribution was 105 people (19.6%) under the age of 18, 27 people (5.0%) aged 18 to 24, 78 people (14.5%) aged 25 to 44, 187 people (34.8%) aged 45 to 64, and 140 people (26.1%) who were 65 or older. The median age was 52.3 years. For every 100 females, there were 106.5 males. For every 100 females age 18 and over, there were 101.9 males.
There were 434 housing units at an average density of 399.9 per square mile, of the occupied units 201 (85.9%) were owner-occupied and 33 (14.1%) were rented. The homeowner vacancy rate was 2.9%; the rental vacancy rate was 19.5%. 446 people (83.1% of the population) lived in owner-occupied housing units and 91 people (16.9%) lived in rental housing units.
United States 
California 