United States › North Dakota › Slope County COUNTY
Slope County North Dakota · 628 residents (2025 est.) · 1,215 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Slope County is home to 766 people in North Dakota. At a median age of 54.1, this is an older place than the country as a whole. That puts it in the top 9% of US counties for household income. There are 1 people per square mile. Owners hold 81% of the housing stock. 1% of residents were born outside the United States.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 54.1
US median: 38.9
Less educated
29% hold a bachelor's degree
US average: 36%
Less affordable
home values up 263%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 767 in 2000
628 in 2025 (Census Bureau estimate)
from 1 / sq mi in 2009
US average: 281
from 42.5 in 2000
US average: 38.9
Population, 1990 – 2024
641 713 786 859 931 1990 2000 2010 2020 2024 Slope County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $71,250
+59%inflation adjusted, since 2000
from $24,667 in 2000
US average: $82,259
from $14,513 in 2000
US average: $44,673
Households earning $100K+
from 21.8% in 2009
US average: 53.3%
from 16.9% in 2000
US average: 12.5%
from 0.423 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 51.2%
Professional, scientific, technical 2%
Transportation & warehousing 1.8%
Education & health services 1.5%
Arts, entertainment, food 1%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$170,000
+263%inflation adjusted, since 2000
from $25,700 in 2000
US average: $376,019
$525
−11%inflation adjusted, since 2000
from $325 in 2000
US average: $1,442
from 86.9% in 2000
19.3% rent
from 30.6% in 2009
US average: 10.0%
from 2.16 people in 2009
US average: 2.54
from 14.6% in 2009
US average: 22.9%
from 29.2% in 2009
US average: 47.4%
from 1.4 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 99.6%(764)
2024
White, non-Hispanic 92.4%(708)
from 4 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 7 more ancestry groups with data from 16.0% in 2000
US average: 35.6%
High school or higher
from 82.5% in 2000
US average: 89.6%
from 3.0% in 2000
US average: 14.0%
Section 06
Commute & transportation from 13.0 min in 2000
US average: 26.5
from 51.1% in 2009
US average: 68.9%
from 7.3% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 31.7% in 2009
US average: 15.0%
from 8.8% in 2009
US average: 2.4%
from 1.0% in 2009
US average: 0.4%
from 2.5% in 2009
US average: 8.3%
Section 07
Work & employment from 1.5% in 2011
US average: 5.2%
from 68.7% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 69.3% in 2020
US average: 74.6%
from 9.3% in 2009
US average: 13.1%
from 42.3% in 2009
US average: 42.5%
Section 08
People & community from 0.7% in 2009
US average: 14.1%
from 13.7% in 2009
US average: 6.2%
from 7.6% in 2012
US average: 13.3%
from 7.7% in 2013
US average: 8.4%
from 68.3% in 2017
US average: 91.0%
Computer in household
from 85.1% in 2020
US average: 95.5%
from 97.1% in 2020
US average: 87.7%
from 97.2% in 2016
US average: 77.7%
from 1.5% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 7.7% in 2013
US average: 8.4%
from 28.7% in 2020
US average: 54.8%
Direct-purchase
from 55.1% in 2020
US average: 13.8%
from 26.3% in 2020
US average: 18.4%
from 8.0% in 2020
US average: 20.9%
VA health care
from 1.3% in 2020
US average: 2.2%
Any private
from 83.6% in 2020
US average: 67.1%
Any public
from 32.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 19.4%(7)
Share of the 36 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Slope County Head to head
Compare Slope County to nearby counties SLOPE COUNTY VS
Bowman County
Income $72,109 +1%
Home value $164,900 −3%
Population 2,762 +340%
SEE FULL COMPARISON →
SLOPE COUNTY VS
Golden Valley County
Income $68,021 −5%
Home value $123,900 −27%
Population 1,808 +188%
SEE FULL COMPARISON →
SLOPE COUNTY VS
Billings County
Income $86,806 +22%
Home value $331,000 +95%
Population 1,071 +71%
SEE FULL COMPARISON →
SLOPE COUNTY VS
Fallon County
Income $76,250 +7%
Home value $244,800 +44%
Population 2,959 +371%
SEE FULL COMPARISON →
Frequently asked
How many people live in Slope County, North Dakota? Slope County, North Dakota has about 766 residents according to the 2024 American Community Survey.
What is the median household income in Slope County, North Dakota? The typical household in Slope County, North Dakota earns about $71,250 a year. Half of households make more than that, and half make less.
Is Slope County, North Dakota expensive? In Slope County, North Dakota, the median home is worth about $170,000, and the typical rent is about $525 a month.
How educated are people in Slope County, North Dakota? About 29.3% of adults age 25 and over in Slope County, North Dakota hold a bachelor's degree or higher.
What is the poverty rate in Slope County, North Dakota? About 5.0% of people in Slope County, North Dakota live below the federal poverty line.
Has Slope County, North Dakota grown since 1990? Yes, Slope County, North Dakota has shrunk since 1990. The population has lost about 141 residents, a change of about -16 percent over that period.
Keep going
Explore from here 