| Official Name: | Gem Lake |
| Settlement Type: | City |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Minnesota |
| Subdivision Type2: | County |
| Subdivision Name2: | Ramsey |
| Leader Title: | Mayor |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.86 |
| Area Land Km2: | 2.71 |
| Area Water Km2: | 0.16 |
| Area Total Sq Mi: | 1.11 |
| Area Land Sq Mi: | 1.04 |
| Area Water Sq Mi: | 0.06 |
| Population As Of: | 2020 |
| Population Total: | 528 |
| Population Density Km2: | 195.10 |
| Population Density Sq Mi: | 505.26 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 945 |
| Coordinates: | 45.0581°N -93.0406°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 55110 |
| Area Code: | 651 |
| Blank Name: | FIPS code |
| Blank Info: | 27-23318[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2394871 |
| Website: | gemlakemn.org |
Gem Lake is a city in Ramsey County, Minnesota, United States. The population was 528 at the 2020 census.[3]
According to the United States Census Bureau, the city has a total area of 1.14sqmi, of which 1.08sqmi is land and 0.06sqmi is water.[4] Highway 61 serves as a main route. Nearby places include White Bear Lake, Maplewood, Little Canada, and Vadnais Heights.
As of the census[5] of 2010, there were 393 people, 155 households, and 115 families living in the city. The population density was 363.9PD/sqmi. There were 161 housing units at an average density of 149.1/sqmi. The racial makeup of the city was 93.1% White, 5.1% Asian, 1.0% from other races, and 0.8% from two or more races. Hispanic or Latino of any race were 2.5% of the population.
There were 155 households, of which 27.1% had children under the age of 18 living with them, 64.5% were married couples living together, 5.8% had a female householder with no husband present, 3.9% had a male householder with no wife present, and 25.8% were non-families. 20.0% of all households were made up of individuals, and 11.6% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.94.
The median age in the city was 49.5 years. 19.6% of residents were under the age of 18; 6.1% were between the ages of 18 and 24; 17% were from 25 to 44; 42.5% were from 45 to 64; and 14.8% were 65 years of age or older. The gender makeup of the city was 52.7% male and 47.3% female.
As of the census of 2000, there were 419 people, 139 households, and 111 families living in the city. The population density was 378.7sp=usNaNsp=us. There were 145 housing units at an average density of 131sp=usNaNsp=us. The racial makeup of the city was 93.79% White, 1.19% African American, 2.63% Asian, 0.72% from other races, and 1.67% from two or more races.
There were 139 households, out of which 44.6% had children under the age of 18 living with them, 66.9% were married couples living together, 8.6% had a female householder with no husband present, and 20.1% were non-families. 18.7% of all households were made up of individuals, and 8.6% had someone living alone who was 65 years of age or older. The average household size was 3.01 and the average family size was 3.40.
In the city, the population was spread out, with 30.3% under the age of 18, 6.9% from 18 to 24, 28.4% from 25 to 44, 23.4% from 45 to 64, and 11.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 98.6 males. For every 100 females age 18 and over, there were 98.6 males.
The median income for a household in the city was $64,167, and the median income for a family was $82,909. Males had a median income of $39,583 versus $28,000 for females. The per capita income for the city was $28,750. About 1.8% of families and 5.9% of the population were below the poverty line, including 4.3% of those under age 18 and none of those age 65 or over.