As of 2025 the population of Ottawa County is 5,829. The population is expected to grow to 5,833 by 2030 - a growth rate of 0.01%.
The median age of Ottawa County residents is 45.
The diversity index of Ottawa County is 19.8, meaning that there is a 20% chance that any two people selected out of 100 residents will be of different race or ethnicity from one another.
The average household income in Ottawa County is $89,848 and projected to be $98,143 in 2030. Per capita income is $36,092, projected to be $39,224 in 2030. 2.21% of households – 129 – have an income of $200,000 or higher. Average net worth is $981,398 and the average disposable income is $67,811.
There are 2,726 housing units in Ottawa County; 1,899 are owner-occupied, 439 are rented, and 388 are vacant. The average home value is $269,972, with 197 homes built in 2010 or later, and 940 built in 1939 or earlier.
There are 242 businesses in Ottawa County, employing 1,942 workers and pulling from a labor force of 2,832 age 16 and above. 1,339 workers commute into Ottawa County from outside the county or state. Key industries for the area include:
1,459 residents both live and work in/around Ottawa County. The average travel time is 24.0 minutes. 28.38% people have a commute of less than 5 minutes while 6.51% commute 90 minutes or more each way. Of commuters, 2,240 drive alone, 185 carpool, and 14 take public transportation. 142 use other modes of transport such as motorcycle, bicycle, walking, etc. 251 residents work from home.
1,293 members of the workforce hold a high school diploma or GED. 474 have associates degrees, 784 have bachelor’s degrees, and 251 hold a graduate or professional degree.
Source: ESRI, 2025-10-16
