Republican City is a village in Harlan County, Nebraska, United States.

At its peak in the 1950s the population was about 4 times larger than it is today[citation needed].

[5] According to the United States Census Bureau, the village has a total area of 0.33 square miles (0.85 km2), all land.

There were 207 housing units at an average density of 627.3 per square mile (242.2/km2).

There were 218 housing units at an average density of 661.1 per square mile (255.3/km2).

About 6.9% of families and 8.5% of the population were below the poverty line, including 10.5% of those under the age of eighteen and 12.2% of those sixty five or over.