Slope County, ND demographics:
population, income, and more

Total population
766
-3.6% year-over-year change
Median household income
$71,250/yr
14.0% year-over-year change
Housing units
456
-0.4% year-over-year change

Slope County population

How many people live in Slope County

Slope County is home to 766 residents, according to the most recent Census data. Gender-wise, 56.8% of Slope County locals are male, and 43.2% are female.

Total population
766
-3.6% year-over-year change
Gender ratio
Male
56.8%
435
Female
43.2%
331
Value Percent YoY change
Male 435 56.8% 0.7%
Female 331 43.2% -8.8%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Slope County is 54, with the population distributed as follows: about 12.5% are children under 15, then 9% are in the 15 to 24 age group. Adults between 25 and 44 make up 19.4% of the population, while another 30.3% fall into the 45 to 64 bracket. Finally, around 28.7% are 65 or older.

Median age
54.1
Age breakdown
Under 15
12.5%
15 to 24
9%
25 to 44
19.4%
45 to 64
30.3%
Over 65
28.7%
Value Percent YoY change
Under 15 96 12.5% -16.5%
15 to 24 69 9% 13.1%
25 to 44 149 19.4% -7.5%
45 to 64 232 30.3% -2.9%
Over 65 220 28.7% 0.5%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Slope County, 98.6% of the population are US-born citizens, while 1.4% have gained naturalized citizenship. There’s also a share of 6.8% that includes residents with two or more races.

Citizenship
U.S.-born citizens
98.6%
Non-U.S.-born citizens
1.4%
Non-citizens
0%
Value Percent YoY change
U.S.-born citizens 755 98.6% -3.9%
Non-U.S.-born citizens 11 1.4% 22.2%
Racial breakdown
White
92.4%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
6.8%
Other
0.8%
Value Percent
White 708 92.4%
Two or more races 52 6.8%
Other 6 0.8%

Households in Slope County

A peek inside Slope County households

Slope County has 374 households, with an average of 2 members in each. Of these, 53.5% are families, while the remaining 46.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
374
10.0% year-over-year change
Average people per household
2
Non-family households
174
Family households
200
Value Percent YoY change
Non-family households 174 46.5% 41.5%
Family households 200 53.5% -7.8%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Slope County

The housing landscape of Slope County

Slope County's housing consists of 456 units, with 87.7% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.4% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 9.6% of the housing landscape.

Housing units
456
-0.4% year-over-year change
Housing types
Value Percent
1 unit, detached 400 87.7%
1 unit, attached 11 2.4%
20 to 49 units 1 0.2%
Mobile home 44 9.6%
Homes built since 2020
0
% year-over-year change

The age of buildings in Slope County

In Slope County, the median construction year is 1961. About 27.6% of homes were built before the 1940s, with another 16% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 126 27.6% -6.7%
Built between 1940 and 1949 73 16% 2.8%
Built between 1950 and 1959 25 5.5% -56.9%
Built between 1960 and 1969 27 5.9% 22.7%
Built between 1970 and 1979 52 11.4% 18.2%
Built between 1980 and 1989 79 17.3% 51.9%
Built between 1990 and 1999 8 1.8% -33.3%
Built between 2000 and 2009 53 11.6% 6.0%
Built between 2010 and 2019 13 2.8% -7.1%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Slope County occupancy rates

Out of the 374 occupied housing units in Slope County, 80.8% are owner-occupied, while 19.2% are lived in by tenants. Meanwhile, 18% of all homes on the local market sit vacant.

Occupied housing units
374
10.0% year-over-year change
Occupancy breakdown
Renter occupied
72
Owner occupied
302
Value Percent YoY
change
Renter occupied 72 19.2% 67.4%
Owner occupied 302 80.8% 1.7%
Unoccupied housing units
18.0%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Slope County housing costs

Housing costs in Slope County come to a median of $561 per month, while tenants specifically pay a median gross rent of $525.

Median housing costs per month
$561/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Slope County
$525/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Slope County

Slope County education at a glance

About 35.4% of the population in Slope County went to high school, while 21.9% pursued college studies. Another 14.4% earned an associate degree and 23.4% hold a bachelor’s. Meanwhile, 3.9% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 6 0.9% 0.0%
High school diploma 228 35.4% -15.6%
College diploma 141 21.9% 6.0%
Associate degree 93 14.4% -8.8%
Bachelor's degree 151 23.4% 31.3%
Graduate degree 25 3.9% -10.7%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Slope County

How much people earn in Slope County

The average annual household income in Slope County was $92,091 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +4% change from the previous year. At the same time, the median income stood at $71,250, reflecting a +14% shift over the same period.

Average household income in Slope County
$92,091/year
4.0% year-over-year change
Median household income in Slope County
$71,250/year
14.0% year-over-year change

Slope County income by age

In Slope County, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $112,386. Those with someone between 45 and 64 in charge, often well established professionally, earn $73,750 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $19,091, while those led by someone over 65, many of whom may be retired, have about $60,625 in earnings. Overall, 95% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $19,091 1.1%
25 - 44 $112,386 -17.5%
45 - 64 $73,750 21.3%
Over 65 $60,625 4.7%
Above poverty level
726
Below poverty level
38
Value Percent YoY
change
Above poverty level 726 95% -2.2%
Below poverty level 38 5% -25.5%

Employment in Slope County

Workforce and job types in Slope County

The job market in Slope County is powered by 400 working residents, spread across a range of industries and roles. 63% of the working population are employed in professional or administrative positions, while 37% are in hands-on or service-based jobs. Also, 40.5% run their own businesses, 40.5% are employed by private companies, and 13.5% work in the public sector.

Workforce demographics

Working population
400
0.0% year-over-year change
White collar
252
Blue collar
148
Value Percent YoY change
White collar 252 63% -9.3%
Blue collar 148 37% 21.3%
Employer type
Self employees
40.5%
Private companies
40.5%
Governmental workers
13.5%
Not for profit companies
5.5%
Value Percent YoY change
Self employees 162 40.5% -16.5%
Private companies 162 40.5% 22.7%
Governmental workers 54 13.5% 10.2%
Not for profit companies 22 5.5% -12.0%
Unemployment rate
2.7%
-52.2% year-over-year change

Available workforce

The unemployment rate in Slope County stands at 2.7%, representing the share of the workforce currently without a job and actively looking for one.

For renters, the unemployment rate helps paint a picture of job security and financial stability in the area. Rates around 4% to 5% are considered typical. A lower-than-average rate might suggest strong job prospects and a thriving local economy, while a higher rate could hint at fewer opportunities—both useful to consider when planning a move.

Transportation in Slope County

How people get around in Slope County

Commuting methods vary: 70.5% of residents travel by personal vehicle and 20.2% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 282 70.5% 8.1%
Walk 81 20.2% 1.2%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Slope County by zipcode?

Zipcode Population Number of households Median income Average income
58620 154 72 $76,875 $96,049
58623 1,953 863 $64,487 $86,958
58643 119 71 $62,188 $61,735
58647 1,053 501 $84,583 $104,539
58651 513 253 $75,956 $85,666
58653 700 292 $85,714 $92,661

Explore more communities

FAQs about Slope County demographics 

What is the total population of Slope County?

Slope County has a total population of 766 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -3.6% compared to a year ago.

What is the gender ratio in Slope County?

The gender ratio in Slope County is as follows:
  • 56.8% males (435 residents)
  • 43.2% females (331 residents)

What is the median age in Slope County?

The median age in Slope County is 54.1.

What is the age distribution of the population in Slope County?

The age distribution in Slope County is as follows:
  • Under 15: 12.5% (96 residents)
  • Ages 15-24: 9% (69 residents)
  • Ages 25-44: 19.4% (149 residents)
  • Ages 45-64: 30.3% (232 residents)
  • Over 65: 28.7% (220 residents)

What is the racial and ethnic makeup of Slope County?

The racial and ethnic makeup of Slope County is as follows:
  • White: 92.4% (708 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% (0 residents)
  • Two or More Races: 6.8% (52 residents)
  • Other: 0.8% (6 residents)

What percentage of the population in Slope County are U.S.-born citizens?

U.S.-born citizens represent 98.6% of the population in Slope County.

How many housing units are there in Slope County?

There are 456 housing units in Slope County, reflecting a -0.4% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Slope County and what is the average household size?

Slope County has a total of 374 households, with an average of 2 people in each.

What is the median household income in Slope County?

Slope County has a median household income of $71,250, representing a +14.0% shift from the previous year, according to the U.S. Census Bureau.

What is the employment rate and job market overview for Slope County?

The employment rate is 97.3% in Slope County, with a workforce of 400 residents. Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 63% (252 residents)
  • Blue-collar workers: 37% (148 residents)

Places of employment:
  • Self-employed: 40.5% (162 residents)
  • Private companies: 40.5% (162 residents)
  • Governmental workers: 13.5% (54 residents)
  • Not-for-profit companies: 5.5% (22 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025