| Official Name: | Colonial Pine Hills, South Dakota |
| Settlement Type: | CDP |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | South Dakota |
| Subdivision Type2: | County |
| Subdivision Name2: | Pennington |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 39.61 |
| Area Land Km2: | 39.61 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 15.29 |
| Area Land Sq Mi: | 15.29 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 1903 |
| Population Density Km2: | 48.04 |
| Population Density Sq Mi: | 124.44 |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MDT |
| Utc Offset Dst: | -6 |
| Coordinates: | 44.0136°N -103.315°W |
| Elevation Ft: | 4095 |
| Area Code: | 605 |
| Blank Name: | FIPS code |
| Blank Info: | 46-13355[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2393382 |
Colonial Pine Hills is a census-designated place (CDP) and unincorporated community in Pennington County, South Dakota, United States. The population was 1,903 at the 2020 census.[3]
According to the United States Census Bureau, the CDP has a total area of 17.2sqmi, all land.
As of the census of 2000, there were 2,561 people, 841 households, and 757 families residing in the CDP. The population density was 149.2sp=usNaNsp=us. There were 867 housing units at an average density of 50.5sp=usNaNsp=us. The racial makeup of the CDP was 96.29% White, 0.31% African American, 1.21% Native American, 0.90% Asian, 0.08% Pacific Islander, 0.12% from other races, and 1.09% from two or more races. Hispanic or Latino of any race were 1.13% of the population.
There were 841 households, out of which 50.5% had children under the age of 18 living with them, 85.4% were married couples living together, 3.1% had a female householder with no husband present, and 9.9% were non-families. 6.8% of all households were made up of individuals, and 1.5% had someone living alone who was 65 years of age or older. The average household size was 3.05 and the average family size was 3.21.
In the CDP, the population was spread out, with 32.4% under the age of 18, 4.1% from 18 to 24, 30.5% from 25 to 44, 26.9% from 45 to 64, and 6.1% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 103.4 males. For every 100 females age 18 and over, there were 99.4 males.
The median income for a household in the CDP was $68,088, and the median income for a family was $70,671. Males had a median income of $45,688 versus $30,505 for females. The per capita income for the CDP was $24,201. About 3.0% of families and 3.6% of the population were below the poverty line, including 4.4% of those under age 18 and none of those age 65 or over.