As of 2026 the population of Plattsburgh is 18,953. The population is expected to shrink to 18,764 by 2031 - a growth rate of -0.20%.
The median age of Plattsburgh residents is 36.
The diversity index of Plattsburgh is 39.5, meaning that there is a 40% 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 Plattsburgh is $77,988 and projected to be $84,404 in 2031. Per capita income is $37,373, projected to be $41,204 in 2031. 2.43% of households – 460 – have an income of $200,000 or higher. Average net worth is $540,938 and the average disposable income is $59,114.
There are 9,821 housing units in Plattsburgh; 3,335 are owner-occupied, 5,627 are rented, and 859 are vacant. The average home value is $247,342, with 671 homes built in 2010 or later, and 2,618 built in 1939 or earlier.
There are 917 businesses in Plattsburgh, employing 14,720 workers and pulling from a labor force of 9,815 age 16 and above. 416 workers commute into Plattsburgh from outside the county or state. Key industries for the area include:
9,132 residents both live and work in/around Plattsburgh. The average travel time is 16.6 minutes. 6.61% people have a commute of less than 5 minutes while 1.83% commute 90 minutes or more each way. Of commuters, 6,547 drive alone, 1,238 carpool, and 12 take public transportation. 1,103 use other modes of transport such as motorcycle, bicycle, walking, etc. 689 residents work from home.
2,879 members of the workforce hold a high school diploma or GED. 1,490 have associates degrees, 3,038 have bachelor’s degrees, and 2,112 hold a graduate or professional degree.
Source: ESRI, 2026-08-31
