About 52166 - Saint Lucas, Iowa
The ZIP code 52166 of Saint Lucas falls within Iowa, the United States - a sparsely populated area by population. It sits within Fayette County.
Census data puts the population of this ZIP code at 137 residents. That's below the Iowa average of about 3,313 people per ZIP code.
Population density runs around 204 people per sq. mile, making it a rural area.
This ZIP code sits alongside neighboring areas like Ankeny, Cedar Falls, Dubuque within Iowa.