66521 Frequently Asked Questions

A: ZIP Code 66521 is Located in Onaga Kansas. Portions of 66521 are also in Wheaton, Mill Creek Township (Pottawatomie County), Lone Tree Township (Pottawatomie County), Vienna Township, Sherman Township (Pottawatomie County), St. Clere Township, Neuchatel Township, Center Township (Pottawatomie County), Lincoln Township (Pottawatomie County), Emmett Township, Union Township (Pottawatomie County), Grant Township (Pottawatomie County).

A: ZIP Code 66521 is Located Primarily in Pottawatomie County Kansas with Portions in Nemaha County.

A: The Current Sales Tax in ZIP Code 66521 is 8.5%

A: The Area Code for 66521 is 785.

A: 66521 is within by the Kansas 1st Congressional District and the Kansas 2nd Congressional District.

A: 66521 is within Kansas State House of Representatives District 61 and Kansas State House of Representatives District 62.

A: 66521 is within Kansas State Senate District 1 and Kansas State Senate District 18.

A: The 2022 population of ZIP Code 66521 is 1417. The population growth rate in 66521 is -23.18%. The population density of 66521 is 8.

A: The majority race/ethnicity of people residing in 66521 is White (96.82%). The majority race/ethnicity of students attending public schools in 66521 is White(88.96%).

A: The median household income in 66521 is $56,607 (2021) and the average adjusted income is $342,000 (2021).