Pine Hills is a census-designated place (CDP) in Humboldt County, California, United States, adjacent to Eureka. The population was 3,186 at the 2020 census, up from 3,131 at the 2010 census. Pine Hills includes areas like Ridgewood and areas as far south as the small neighborhood of Elk River. An area near this artificial census construct is called Pine Hill by Local government agencies and officials. Pine Hill is a much smaller area than "Pine Hills" and as defined by local agencies is actually within an adjacent CDP named Bayview.
Geography
Pine Hills is located at .
According to the United States Census Bureau, the CDP has a total area of , over 99% land.<br> 1860–1870 1880-1890<br> 1900 1910 1920<br> 1930 1940 1950<br> 1960 1970 1980<br> 1990 2000 2010<br> 2020
| align = right
Pine Hills was part of the Bayview-Pine Hills unincorporated community in the 1970 U.S. census (pop. 2,340);
!Pop 2010
!style="background-color: #ffffb3;" |Pop 2020
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|2,715
|2,562
|style='background: #ffffe6; |2,359
|87.36%
|81.83%
|style='background: #ffffe6; |74.04%
|-
|Black or African American alone (NH)
|16
|21
|style='background: #ffffe6; |19
|0.51%
|0.67%
|style='background: #ffffe6; |0.60%
|-
|Native American or Alaska Native alone (NH)
|71
|68
|style='background: #ffffe6; |75
|2.28%
|2.17%
|style='background: #ffffe6; |2.35%
|-
|Asian alone (NH)
|46
|113
|style='background: #ffffe6; |126
|1.48%
|3.61%
|style='background: #ffffe6; |3.95%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|9
|4
|style='background: #ffffe6; |3
|0.29%
|0.13%
|style='background: #ffffe6; |0.09%
|-
|Other race alone (NH)
|0
|8
|style='background: #ffffe6; |18
|0.00%
|0.26%
|style='background: #ffffe6; |0.56%
|-
|Mixed race or Multiracial (NH)
|108
|135
|style='background: #ffffe6; |246
|3.47%
|4.31%
|style='background: #ffffe6; |7.72%
|-
|Hispanic or Latino (any race)
|143
|220
|style='background: #ffffe6; |340
|4.60%
|7.03%
|style='background: #ffffe6; |10.67%
|-
|Total
|3,108
|3,131
|style='background: #ffffe6; |3,186
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2020 census
As of the 2020 census, Pine Hills had a population of 3,186. The population density was . 70.4% of residents lived in urban areas, while 29.6% lived in rural areas.
The census reported that 99.5% of the population lived in households, 0.3% lived in non-institutionalized group quarters, and 0.3% were institutionalized.
The age distribution was 20.0% under the age of 18, 7.0% aged 18 to 24, 25.4% aged 25 to 44, 23.3% aged 45 to 64, and 24.3% who were 65years of age or older. The median age was 42.7 years. For every 100 females, there were 98.3 males, and for every 100 females age 18 and over there were 97.7 males age 18 and over.
2010 census
The 2010 United States census reported that Pine Hills had a population of 3,131. The population density was . The racial makeup of Pine Hills was 2,648 (84.6%) White, 22 (0.7%) African American, 86 (2.7%) Native American, 116 (3.7%) Asian, 4 (0.1%) Pacific Islander, 72 (2.3%) from other races, and 183 (5.8%) from two or more races. Hispanic or Latino of any race were 220 persons (7.0%).
The Census reported that 3,112 people (99.4% of the population) lived in households, 19 (0.6%) lived in non-institutionalized group quarters, and 0 (0%) were institutionalized.
There were 1,261 households, out of which 357 (28.3%) had children under the age of 18 living in them, 706 (56.0%) were opposite-sex married couples living together, 91 (7.2%) had a female householder with no husband present, 68 (5.4%) had a male householder with no wife present. There were 93 (7.4%) unmarried opposite-sex partnerships, and 11 (0.9%) same-sex married couples or partnerships. 282 households (22.4%) were made up of individuals, and 115 (9.1%) had someone living alone who was 65 years of age or older. The average household size was 2.47. There were 865 families (68.6% of all households); the average family size was 2.89.
The population was spread out, with 645 people (20.6%) under the age of 18, 239 people (7.6%) aged 18 to 24, 662 people (21.1%) aged 25 to 44, 1,051 people (33.6%) aged 45 to 64, and 534 people (17.1%) who were 65 years of age or older. The median age was 45.6 years. For every 100 females, there were 99.9 males. For every 100 females age 18 and over, there were 100.0 males.
There were 1,327 housing units at an average density of , of which 1,261 were occupied, of which 932 (73.9%) were owner-occupied, and 329 (26.1%) were occupied by renters. The homeowner vacancy rate was 1.2%; the rental vacancy rate was 3.8%. 2,308 people (73.7% of the population) lived in owner-occupied housing units and 804 people (25.7%) lived in rental housing units.
Politics
In the state legislature, Pine Hills is in , and .
Federally, Pine Hills is in .