Springbrook, IA has a population of 137 and is the 25,972nd largest city in the United States. The population density is 229 per sq mi which is 319% higher than the Iowa average and 153% higher than the national average. The median age in Springbrook is 39 which is approximately 1% higher than the Iowa average of 38. In Springbrook, 77% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 94% of Springbrook residents were born in Iowa, 4% were born out of state, 0% were born outside of the United States and 1% were foreign born.
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The population density in Springbrook is 319% higher than Iowa.
The median age in Springbrook is 1% higher than Iowa.
In Springbrook 97.08% of the population is White.
In Springbrook 0.73% of the population is Black or African American.