Spragueville is a city in Jackson County, Iowa, United States.

[3] Spragueville is named for an early settler called Sprague, who arrived there in 1841 and established a gristmill.

[5] According to the United States Census Bureau, the city has a total area of 0.67 square miles (1.74 km2), all land.

There were 44 housing units at an average density of 59.2 per square mile (22.8/km2).

There were 46 housing units at an average density of 68.7 per square mile (26.5/km2).

40.5% of all households were made up of individuals, and 21.6% had someone living alone who was 65 years of age or older.

The racial makeup of the city was 97.75% White, 1.12% Native American, and 1.12% from two or more races.

26.2% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older.

There were 16.0% of families and 15.9% of the population living below the poverty line, including 18.2% of under eighteens and 55.6% of those over 64.