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Gem, Kansas
Location within Thomas County and Kansas
Location within Thomas County and Kansas
KDOT map of Thomas County (legend)
Country United States
State Kansas
County Thomas
Founded 1880s
Incorporated 1926
Named for Gem Ranch
 • Total 0.33 sq mi (0.86 km2)
 • Land 0.33 sq mi (0.86 km2)
 • Water 0.00 sq mi (0.00 km2)
3,094 ft (943 m)
 • Total 98
 • Density 297/sq mi (114.0/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP code
Area code 785
FIPS code 20-26050
GNIS ID 471208

Gem is a city in Thomas County, Kansas, United States. As of the 2020 census, the population of the city was 98.


Gem was a shipping point on the Chicago, Rock Island and Pacific Railroad. The town was named from the Gem Ranch.

The first post office in Gem was established in 1885. It recently closed in March 2014.


Gem is located at 39°25′33″N 100°53′47″W / 39.42583°N 100.89639°W / 39.42583; -100.89639 (39.425730, -100.896294). According to the United States Census Bureau, the city has a total area of 0.33 square miles (0.85 km2), all of it land.


Historical population
Census Pop.
1930 200
1940 125 −37.5%
1950 118 −5.6%
1960 116 −1.7%
1970 80 −31.0%
1980 101 26.3%
1990 104 3.0%
2000 96 −7.7%
2010 88 −8.3%
2020 98 11.4%
U.S. Decennial Census

2010 census

As of the census of 2010, there were 88 people, 36 households, and 26 families residing in the city. The population density was 266.7 inhabitants per square mile (103.0/km2). There were 43 housing units at an average density of 130.3 per square mile (50.3/km2). The racial makeup of the city was 100.0% White.

There were 36 households, of which 33.3% had children under the age of 18 living with them, 58.3% were married couples living together, 5.6% had a female householder with no husband present, 8.3% had a male householder with no wife present, and 27.8% were non-families. 25.0% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 2.92.

The median age in the city was 37 years. 27.3% of residents were under the age of 18; 1.1% were between the ages of 18 and 24; 31.8% were from 25 to 44; 28.3% were from 45 to 64; and 11.4% were 65 years of age or older. The gender makeup of the city was 52.3% male and 47.7% female.


The Gem Cemetery is on the west side of the city. Situated in the middle of the cemetery is a fenced-in area containing the headstones of the once-prominent Houston family. This family was rich in past years, when Gem was larger than it is now, but even their house has since been removed from the city.


The community is served by Colby USD 315 public school district.

See also

Kids robot.svg In Spanish: Gem (Kansas) para niños

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