As of 2026 the population of Grandfalls is 341. The population is expected to shrink to 335 by 2031 - a growth rate of -0.35%.
The median age of Grandfalls residents is 33.
The diversity index of Grandfalls is 77.5, meaning that there is a 78% 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 Grandfalls is $95,529 and projected to be $97,884 in 2031. Per capita income is $33,057, projected to be $34,186 in 2031. 2.05% of households – 7 – have an income of $200,000 or higher. Average net worth is $645,695 and the average disposable income is $79,485.
There are 138 housing units in Grandfalls; 72 are owner-occupied, 46 are rented, and 20 are vacant. The average home value is $278,333, with 27 homes built in 2010 or later, and 19 built in 1939 or earlier.
There are 20 businesses in Grandfalls, employing 187 workers and pulling from a labor force of 92 age 16 and above. 14 workers commute into Grandfalls from outside the county or state. Key industries for the area include:
72 residents both live and work in/around Grandfalls. The average travel time is 0.0 minutes. 12.5% people have a commute of less than 5 minutes while 18.06% commute 90 minutes or more each way. Of commuters, 59 drive alone, 23 carpool, and 0 take public transportation. 6 use other modes of transport such as motorcycle, bicycle, walking, etc. 4 residents work from home.
54 members of the workforce hold a high school diploma or GED. 12 have associates degrees, 22 have bachelor’s degrees, and 12 hold a graduate or professional degree.
Source: ESRI, 2026-09-09
