As of 2025 the population of Harper County is 5,318. The population is expected to shrink to 5,217 by 2030 - a growth rate of -0.38%.
The median age of Harper County residents is 44.
The diversity index of Harper County is 35.4, meaning that there is a 35% 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 Harper County is $71,692 and projected to be $77,625 in 2030. Per capita income is $31,789, projected to be $35,157 in 2030. 1.94% of households – 103 – have an income of $200,000 or higher. Average net worth is $607,471 and the average disposable income is $56,028.
There are 3,032 housing units in Harper County; 1,695 are owner-occupied, 660 are rented, and 677 are vacant. The average home value is $125,670, with 149 homes built in 2010 or later, and 853 built in 1939 or earlier.
There are 348 businesses in Harper County, employing 2,201 workers and pulling from a labor force of 2,221 age 16 and above. 352 workers commute into Harper County from outside the county or state. Key industries for the area include:
1,852 residents both live and work in/around Harper County. The average travel time is 14.6 minutes. 24.78% people have a commute of less than 5 minutes while 0.97% commute 90 minutes or more each way. Of commuters, 1,750 drive alone, 174 carpool, and 13 take public transportation. 126 use other modes of transport such as motorcycle, bicycle, walking, etc. 158 residents work from home.
1,371 members of the workforce hold a high school diploma or GED. 246 have associates degrees, 593 have bachelor’s degrees, and 233 hold a graduate or professional degree.
Source: ESRI, 2025-10-16
