As of 2026 the population of Ottawa County is 5,801. The population is expected to grow to 5,823 by 2031 - a growth rate of 0.08%.
The median age of Ottawa County residents is 45.
The diversity index of Ottawa County is 19.5, 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 $108,370 and projected to be $127,756 in 2031. Per capita income is $44,396, projected to be $52,493 in 2031. 3.65% of households – 212 – have an income of $200,000 or higher. Average net worth is $1,062,099 and the average disposable income is $80,380.
There are 2,746 housing units in Ottawa County; 1,938 are owner-occupied, 424 are rented, and 384 are vacant. The average home value is $278,020, with 256 homes built in 2010 or later, and 824 built in 1939 or earlier.
There are 240 businesses in Ottawa County, employing 1,852 workers and pulling from a labor force of 2,831 age 16 and above. 1,285 workers commute into Ottawa County from outside the county or state. Key industries for the area include:
1,507 residents both live and work in/around Ottawa County. The average travel time is 23.8 minutes. 24.42% people have a commute of less than 5 minutes while 7.3% commute 90 minutes or more each way. Of commuters, 2,266 drive alone, 214 carpool, and 15 take public transportation. 119 use other modes of transport such as motorcycle, bicycle, walking, etc. 217 residents work from home.
1,312 members of the workforce hold a high school diploma or GED. 512 have associates degrees, 880 have bachelor’s degrees, and 278 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
