Ottawa, IL Micropolitan Statistical Area

The Ottawa, IL Micropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of three counties in north central Illinois, anchored by the city of Ottawa. Peru (until 2020) and Streator (until 2013) are former primary cities.

As of the 2010 census, the μSA had a population of 154,908. An estimate by the Census Bureau, as of July 1, 2012, placed the population at 153,182, a decrease of 1.11%, but still making it the fourth-largest micropolitan statistical area in the United States.