As of the 2010 census, the μSA had a population of 154,908.[2] 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.[2]
As of the census[3] of 2000, there were 153,098 people, 60,014 households, and 41,459 families residing within the Micropolitan Area. The racial makeup of the Area was 95.50% White, 1.23% African American, 0.18% Native American, 0.52% Asian, 0.02% Pacific Islander, 1.57% from other races, and 0.99% from two or more races. Hispanic or Latino of any race were 5.01% of the population.
The median income for a household in the Ottawa Micropolitan area was $42,011, and the median income for a family was $49,576. Males had a median income of $38,628 versus $21,706 for females. The per capita income for the area was $19,506.