| Official Name: | Crystal Lake Park, Missouri |
| Settlement Type: | City |
| Mapsize: | 250x200px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Louis |
| Leader Title: | Mayor |
| Leader Name: | Anne Wagner |
| Leader Title1: | Alderperson |
| Leader Name1: | Dan London |
| Leader Title2: | Alderperson |
| Leader Name2: | Nancy Brooks |
| Leader Title3: | Alderperson |
| Leader Name3: | Elizabeth Strevey |
| Leader Title4: | Alderperson |
| Leader Name4: | David Smith |
| Established Title: | Village of Crystal Lake Park & City of Crystal Lake Park |
| Established Date: | 1938 & 1957 |
| Named For: | Crystal Lake Country Club (no longer exists) |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.25 |
| Area Land Km2: | 0.25 |
| Area Water Km2: | 0.00 |
| Area Total Sq Mi: | 0.10 |
| Area Land Sq Mi: | 0.10 |
| Area Water Sq Mi: | 0.00 |
| Population As Of: | 2020 |
| Population Total: | 508 |
| Population Density Km2: | 2019.95 |
| Population Density Sq Mi: | 5237.11 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 584 |
| Coordinates: | 38.6211°N -90.4319°W |
| Postal Code Type: | Zip code |
| Postal Code: | 63131 |
| Area Code: | 314 |
| Blank Name: | FIPS code |
| Blank Info: | 29-17650[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2393687 |
Crystal Lake Park is a Missouri Class 4 city in St. Louis County, Missouri, United States. The population was 508 at the 2020 census.[3]
According to the United States Census Bureau, the city has a total area of 0.11sqmi, all land.[4]
As of the 2020 census there were 508 people and 179 households living in the city. The racial makeup of the city was 79.3% White, 4.1% African American, 8.9% Asian, 1.8% from other races, and 5.5% from two or more races. Hispanic or Latino of any race were 3.5%.[3]
At the 2010 census there were 470 people, 202 households, and 136 families living in the city. The population density was 4272.7PD/sqmi. There were 222 housing units at an average density of 2018.2/sqmi. The racial makeup of the city was 91.5% White, 2.8% African American, 4.7% Asian, 0.2% from other races, and 0.9% from two or more races. Hispanic or Latino of any race were 1.5%.[5]
Of the 202 households 29.7% had children under the age of 18 living with them, 57.9% were married couples living together, 7.4% had a female householder with no husband present, 2.0% had a male householder with no wife present, and 32.7% were non-families. 29.2% of households were one person and 16.9% were one person aged 65 or older. The average household size was 2.33 and the average family size was 2.91.
The median age was 47.9 years. 25.3% of residents were under the age of 18; 2.4% were between the ages of 18 and 24; 16.8% were from 25 to 44; 34.4% were from 45 to 64; and 21.1% were 65 or older. The gender makeup of the city was 44.9% male and 55.1% female.
At the 2000 census there were 457 people, 204 households, and 136 families living in the city. The population density was 4787.5sp=usNaNsp=us. There were 221 housing units at an average density of 2315.2sp=usNaNsp=us. The racial makeup of the city was 96.72% White, 0.22% Native American, 0.66% Asian, 0.22% Pacific Islander, 0.66% from other races, and 1.53% from two or more races. Hispanic or Latino of any race were 1.31%.
Of the 204 households 28.9% had children under the age of 18 living with them, 58.8% were married couples living together, 5.4% had a female householder with no husband present, and 33.3% were non-families. 30.4% of households were one person and 14.2% were one person aged 65 or older. The average household size was 2.24 and the average family size was 2.80.
The age distribution was 21.7% under the age of 18, 3.5% from 18 to 24, 21.0% from 25 to 44, 30.4% from 45 to 64, and 23.4% 65 or older. The median age was 47 years. For every 100 females, there were 87.3 males. For every 100 females age 18 and over, there were 82.7 males.
The median household income was $78,441 and the median family income was $91,765. Males had a median income of $61,875 versus $44,375 for females. The per capita income for the city was $55,596. About 2.3% of families and 3.1% of the population were below the poverty line, including 3.1% of those under age 18 and 2.6% of those age 65 or over.
It is in the Ladue School District.[6]