| Official Name: | Cedar Hill, Missouri |
| Settlement Type: | Census-designated place |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Jefferson |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 5.94 |
| Area Land Km2: | 5.94 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 2.29 |
| Area Land Sq Mi: | 2.29 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 1875 |
| Population Density Km2: | 315.42 |
| Population Density Sq Mi: | 816.99 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 538 |
| Coordinates: | 38.3567°N -90.6222°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 63016 |
| Area Code: | 636 |
| Blank Name: | FIPS code |
| Blank Info: | 29-12358[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2393369 |
Cedar Hill is an unincorporated community and census-designated place (CDP) in northwest Jefferson County, Missouri, United States. The population was 1,721 at the 2010 census.[3]
A post office called Cedar Hill has been in operation since 1868.[4] The community was named for cedar trees near the elevated town site.[5]
Cedar Hill is located southwest of downtown St. Louis. Missouri Route 30, a four-lane highway, runs through the western side of the CDP, leading northeast into St. Louis and west to St. Clair.
According to the United States Census Bureau, the CDP has a total area of 5.9km2, all land.[3] The Big River, a northward-flowing tributary of the Meramec River, forms the southern and western limits of the CDP, and the community is the site of an old mill and dam.
As of the census of 2000, there were 1,703 people, 627 households, and 465 families residing in the CDP. The population density was 741.6sp=usNaNsp=us. There were 657 housing units at an average density of 286.1sp=usNaNsp=us. The racial makeup of the CDP was 97.89% White, 0.06% African American, 0.82% Native American, 0.18% Asian, 0.35% from other races, and 0.70% from two or more races. Hispanic or Latino of any race were 0.82% of the population.
There were 627 households, out of which 38.8% had children under the age of 18 living with them, 56.5% were married couples living together, 11.5% had a female householder with no husband present, and 25.7% were non-families. 19.6% of all households were made up of individuals, and 7.0% had someone living alone who was 65 years of age or older. The average household size was 2.72 and the average family size was 3.11.
In the CDP, the population was spread out, with 27.2% under the age of 18, 9.9% from 18 to 24, 30.0% from 25 to 44, 24.7% from 45 to 64, and 8.2% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 97.1 males. For every 100 females age 18 and over, there were 95.1 males.
The median income for a household in the CDP was $35,481, and the median income for a family was $43,214. Males had a median income of $40,160 versus $21,074 for females. The per capita income for the CDP was $15,599. About 5.7% of families and 12.9% of the population were below the poverty line, including 6.1% of those under age 18 and 8.8% of those age 65 or over.