| Official Name: | Oakbrook, Kentucky |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kentucky |
| Subdivision Type2: | County |
| Subdivision Name2: | Boone |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 8.29 |
| Area Land Km2: | 8.28 |
| Area Water Km2: | 0.01 |
| Area Total Sq Mi: | 3.20 |
| Area Land Sq Mi: | 3.20 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 9268 |
| Population Density Km2: | 1118.87 |
| Population Density Sq Mi: | 2898.06 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 899 |
| Coordinates: | 39.0069°N -84.6778°W |
| Blank Name: | FIPS code |
| Blank Info: | 21-57030 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2403365 |
Oakbrook is a census-designated place (CDP) in Boone County, Kentucky, United States. The population was 9,268 at the 2020 census.
Oakbrook is located in eastern Boone County and is bordered by the city of Florence to the east and south, and by the unincorporated Burlington (the county seat) to the west. Kentucky Route 18 (Burlington Pike) forms the northern edge of the Oakbrook CDP. Interstate 75/71 is east of Oakbrook, and downtown Cincinnati is to the northeast.
According to the United States Census Bureau, the CDP has a total area of 8.2km2, of which 0.01sqkm, or 0.14%, is water.[2]
As of the census[3] of 2000, there were 7,726 people, 2,926 households, and 2,206 families residing in the CDP. The population density was 2368.8sp=usNaNsp=us. There were 3,030 housing units at an average density of 929sp=usNaNsp=us. The racial makeup of the CDP was 94.81% White, 1.84% African American, 0.10% Native American, 2.10% Asian, 0.36% from other races, and 0.79% from two or more races. Hispanic or Latino of any race were 1.06% of the population.
There were 2,926 households, out of which 38.7% had children under the age of 18 living with them, 67.2% were married couples living together, 6.3% had a female householder with no husband present, and 24.6% were non-families. 20.8% of all households were made up of individuals, and 4.3% had someone living alone who was 65 years of age or older. The average household size was 2.64 and the average family size was 3.10.
In the CDP, the population was spread out, with 27.9% under the age of 18, 6.4% from 18 to 24, 36.0% from 25 to 44, 22.8% from 45 to 64, and 7.0% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 97.4 males. For every 100 females age 18 and over, there were 93.7 males.
The median income for a household in the CDP was $62,023, and the median income for a family was $72,083. Males had a median income of $51,202 versus $32,446 for females. The per capita income for the CDP was $27,575. About 1.2% of families and 1.1% of the population were below the poverty line, including 0.5% of those under age 18 and 2.1% of those age 65 or over.