As of 2025 the population of Stillwater is 19,390. The population is expected to grow to 20,130 by 2030 - a growth rate of 0.75%.
The median age of Stillwater residents is 45.
The diversity index of Stillwater is 25.8, meaning that there is a 26% 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 Stillwater is $148,579 and projected to be $162,794 in 2030. Per capita income is $60,447, projected to be $67,206 in 2030. 7.76% of households – 1,505 – have an income of $200,000 or higher. Average net worth is $1,964,631 and the average disposable income is $106,349.
There are 8,326 housing units in Stillwater; 6,059 are owner-occupied, 1,826 are rented, and 441 are vacant. The average home value is $538,102, with 589 homes built in 2010 or later, and 2,208 built in 1939 or earlier.
There are 909 businesses in Stillwater, employing 11,980 workers and pulling from a labor force of 9,631 age 16 and above. 3,100 workers commute into Stillwater from outside the county or state. Key industries for the area include:
6,211 residents both live and work in/around Stillwater. The average travel time is 20.6 minutes. 4.96% people have a commute of less than 5 minutes while 1.3% commute 90 minutes or more each way. Of commuters, 6,736 drive alone, 661 carpool, and 72 take public transportation. 249 use other modes of transport such as motorcycle, bicycle, walking, etc. 1,902 residents work from home.
2,363 members of the workforce hold a high school diploma or GED. 1,452 have associates degrees, 4,382 have bachelor’s degrees, and 2,963 hold a graduate or professional degree.
