Slope County, North Dakota
Slope County: county in North Dakota, United States
About
Slope County is a county located in the U.S. state of North Dakota. As of the 2010 census, the population was 727. After 10 years in 2020 county had an estimated population of 747 inhabitants. Its county seat is Amidon. The county was created 111 years ago in 1914.
County Snapshot
Slope County at a glance
Slope County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
3
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
North Dakota counties
53
Open related pagesLargest city
MarmarthPopulation 135
Top linked places
Quick Facts about Slope County
| Population | 747 (2020) |
| Country | United States of America |
| State | North Dakota (United States) |
| Area | 3158 km2 |
| Water as percent of area | 0.3% |
| Land as percent of area | 99.7% |
| Latitude & Longitude | 46.4472,-103.4599 |
| Altitude | 3,205 feet / 977 meters |
| Capital | Amidon |
| Establishment | January 01, 1915 |
| Time Zone | America/Denver |
| Local time | 16:04:24 (22nd April 2026) |
| Population growth | 2.68% (2010-2020) |
| Weather | 49℉ Partly Cloudy 7-days weather |
Geography
Slope County is located at 46°26'50"N 103°27'36"W (46.4472200, -103.4599000). It has 6 neighbors: Fallon County, Adams County, Billings County, Bowman County, Hettinger County and Stark County.
Slope County map
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The largest city of Slope County is Marmarth with a population of 135. Other cities include and Amidon population 23. See all Slope County cities & populated places.
Slope County Populated Places
Cities, towns, neighborhoods & other populated places in Slope County.
| City Name | Population | Title |
|---|---|---|
| Marmarth | 135 | Human settlement in Slope County, North Dakota, United States of America |
| Amidon | 23 | Town in North Dakota |
| Mound | 7 | Township in North Dakota, United States |
Weather
Partly cloudy, with a low around 49. Southeast wind around 15 mph, with gusts as high as 23 mph.
7-Day ForecastOfficial website of Slope County
Official Website- Amidon
Demographics
The population of Slope County increased by 2.68% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 727 | - | census |
| 2011 | 727 | 0% | estimation process |
| 2012 | 766 | 5.09% | estimation process |
| 2013 | 771 | 0.65% | estimation process |
| 2014 | 779 | 1.03% | estimation process |
| 2015 | 781 | 0.26% | estimation process |
| 2016 | 781 | 0% | estimation process |
| 2017 | 767 | -1.83% | estimation process |
| 2018 | 761 | -0.79% | estimation process |
| 2019 | 750 | -1.47% | estimation process |
| 2020 | 747 | -0.4% | estimation process |
North Dakota Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Cass County | 183,904 | County in Minnesota, United States |
| Burleigh County | 96,212 | County in North Dakota, United States |
| Bismarck | 74,018 | The capital of North Dakota. |
| Grand Forks County | 69,481 | County in North Dakota, United States |
| Ward County | 68,466 | County in North Dakota, United States |
| Minot | 47,428 | The most populous city in Ward County, North Dakota. |
| Williams County | 38,700 | County in North Dakota, United States |
| West Fargo | 38,194 | City in North Dakota, United States of America |
| Stark County | 32,107 | County in North Dakota, United States |
| Morton County | 31,503 | County in North Dakota, United States |
| Dickinson | 23,527 | City in North Dakota |
| Stutsman County | 20,498 | County in North Dakota, United States |
| Richland County | 16,156 | County in North Dakota, United States |
| McKenzie County | 15,242 | County in North Dakota, United States |
| Jamestown | 14,930 | City in Stutsman County, North Dakota, United States |
| Rolette County | 14,165 | County in North Dakota, United States |