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Onaga, Kansas
Location within Pottawatomie County and Kansas
Location within Pottawatomie County and Kansas
KDOT map of Pottawatomie County (legend)
Country United States
State Kansas
County Pottawatomie
Platted 1877
Incorporated by 1881, 1926
Named for Onago
Area
 • Total 0.66 sq mi (1.70 km2)
 • Land 0.66 sq mi (1.70 km2)
 • Water 0.00 sq mi (0.00 km2)
Elevation
1,112 ft (339 m)
Population
 (2020)
 • Total 679
 • Density 1,029/sq mi (399.4/km2)
Time zone UTC-6 (CST)
 • Summer (DST) UTC-5 (CDT)
ZIP code
66521
Area code 785
FIPS code 20-52875
GNIS ID 2396065

Onaga is a small city located in Pottawatomie County, Kansas, in the United States. In 2020, about 679 people lived there.

History of Onaga

Onaga was first planned out in 1877 by the railroad company. Its name comes from "Onago," a personal name from the Potawatomi Native American people. Paul E. Havens, who was the President of the Kansas Central Railroad, gave the city its name.

The first post office in Onaga opened in December 1877. Onaga officially became a city by 1881 and then again in 1926.

Geography and Climate

Onaga covers a total area of about 0.64 square miles (1.7 square kilometers). All of this area is land.

Onaga's Climate

Onaga has a type of weather called a humid continental climate. This means the city experiences big changes in temperature throughout the year. Summers are warm to hot and often humid. Winters are cold, and sometimes very cold.

Population of Onaga

Historical population
Census Pop.
1880 242
1890 423 74.8%
1900 598 41.4%
1910 759 26.9%
1920 838 10.4%
1930 930 11.0%
1940 741 −20.3%
1950 882 19.0%
1960 850 −3.6%
1970 761 −10.5%
1980 752 −1.2%
1990 761 1.2%
2000 704 −7.5%
2010 702 −0.3%
2020 679 −3.3%
U.S. Decennial Census

Onaga is part of the larger Manhattan, Kansas area.

2020 Census Information

In 2020, the 2020 United States census counted 679 people living in Onaga. There were 267 households and 156 families. Most of the people, about 91.5%, were white. A small number of people were black, Native American, or Asian. About 2.8% of the population was Hispanic or Latino.

About 24.2% of the people in Onaga were under 18 years old. About 26.7% were 65 years old or older. The average age in the city was 41.8 years.

2010 Census Information

According to the census in 2010, Onaga had 702 people. There were 286 households and 166 families. The city's population density was about 1097 people per square mile. Most residents, about 97%, were white.

About 30.8% of households had children under 18 living with them. The average household had 2.32 people. The average family had 3.13 people.

The median age in Onaga in 2010 was 40.8 years. About 26.1% of residents were under 18. About 23.4% were 65 or older.

Education

The public schools in Onaga are managed by the Onaga USD 322 school district.

See also

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

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