Archer is a city in O'Brien County, Iowa, United States.

[3] Longstanding Mayor Bill Engeltjes oversaw the centennial celebration of 1988.

Replete with a parade, fashion show, street dance, and "greased pig" contest, the celebration honored Northwest Iowan heritage.

[4] According to the United States Census Bureau, the city has a total area of 0.09 square miles (0.23 km2), all land.

There were 57 housing units at an average density of 667.4 per square mile (257.7/km2).

29.3% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.

There were no families and 1.6% of the population living below the poverty line, including no under eighteens and 6.1% of those over 64.