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Least densely populated counties

County equivalents with the fewest residents per square mile of land. Large rural areas in Alaska and the Great Plains dominate; density is an average across each whole county.

Ranks 101–200

Vintage 2025 population estimates · 2026 Gazetteer land area · 3,222 county equivalents · page 2 of 33

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What this part of the ranking shows

This page runs from Baca County, Colorado at 1.3 people per mi² to Hamilton County, Kansas at 2.5 people per mi². The 100 entries represent 15 state-level jurisdictions. North Dakota has the most entries on this page (14, tied for the lead).

Rank numbers continue across pages and describe the full selected ranking. They are not state ranks. Start at rank 1 for the leading entries, or open a county profile for its state rank and median comparisons.

Least densely populated counties, ranks 101 through 200. Population is the July 1, 2025 estimate; density is per square mile of land.
RankCounty / equivalentStatePopulationPer mi²Land mi²
101Baca CountyColorado3,3471.32,555
102Grant CountyNorth Dakota2,2061.31,659.2
103Sheridan CountyNorth Dakota1,2961.3972.2
104Daggett CountyUtah9341.3696.5
105Cottle CountyTexas1,2241.4900.6
106Liberty CountyMontana1,9571.41,430
107Wheeler CountyNebraska7891.4575.2
108Hyde CountySouth Dakota1,1911.4860.6
109Irion CountyTexas1,4631.41,051.5
110Presidio CountyTexas5,4331.43,855.3
111Alpine CountyCalifornia1,0431.4738.3
112Jackson CountySouth Dakota2,6661.41,863.9
113Guadalupe CountyNew Mexico4,3431.43,029.8
114Sterling CountyTexas1,3491.5923.4
115Sully CountySouth Dakota1,4791.51,006.7
116Wheatland CountyMontana2,1001.51,422.5
117Chouteau CountyMontana5,8651.53,972.5
118Foard CountyTexas1,0441.5704.4
119Valley CountyMontana7,3851.54,926.1
120Greeley CountyKansas1,1821.5778.4
121Brewster CountyTexas9,4581.56,183.8
122Corson CountySouth Dakota3,7811.52,469.7
123Grant CountyOregon7,0751.64,527.8
124Wallace CountyKansas1,4411.6913.7
125Blaine CountyMontana6,8601.64,227.5
126Mellette CountySouth Dakota2,1371.61,307.3
127Gilliam CountyOregon1,9711.61,204.7
128Briscoe CountyTexas1,4741.6900
129Rosebud CountyMontana8,2531.65,008.1
130Owyhee CountyIdaho12,6611.77,668.2
131Divide CountyNorth Dakota2,1101.71,261.1
132Throckmorton CountyTexas1,5541.7912.6
133Dundy CountyNebraska1,5681.7919.7
134Schleicher CountyTexas2,2451.71,310.6
135Bristol Bay BoroughAlaska8471.8481.4
136Kidder CountyNorth Dakota2,3931.81,351.1
137Carbon CountyWyoming14,0131.87,897.7
138Inyo CountyCalifornia18,1581.810,197.3
139Humboldt CountyNevada17,2671.89,640.8
140Golden Valley CountyNorth Dakota1,8081.81,000.9
141Beaverhead CountyMontana10,0431.85,542.7
142Fallon CountyMontana2,9591.81,620.6
143Sublette CountyWyoming8,9291.84,886.5
144Kodiak Island BoroughAlaska12,3871.96,689.9
145Lemhi CountyIdaho8,4741.94,563.7
146San Juan CountyUtah14,5421.97,823.7
147Logan CountyNorth Dakota1,8591.9992.6
148Dickens CountyTexas1,6921.9901.7
149Campbell CountySouth Dakota1,3771.9733.8
150Washington CountyColorado4,7321.92,518.1
151Hodgeman CountyKansas1,6191.9860
152Burke CountyNorth Dakota2,1321.91,103.6
153Clark CountyKansas1,9001.9974.6
154Sheridan CountyNebraska4,80922,440.2
155Towner CountyNorth Dakota2,04021,025.1
156Piute CountyUtah1,5092758.2
157Dunn CountyNorth Dakota4,05822,008.6
158Armstrong CountyTexas1,8432909.1
159Sweet Grass CountyMontana3,76221,855.5
160Sheridan CountyMontana3,43621,676.9
161McPherson CountySouth Dakota2,3472.11,136.7
162Millard CountyUtah14,0572.16,785.5
163Rio Blanco CountyColorado6,6832.13,221
164Stanley CountySouth Dakota3,0182.11,444.4
165San Juan CountyColorado8132.1387.5
166Lane CountyKansas1,5082.1717.4
167Mora CountyNew Mexico4,0512.11,926.3
168Idaho CountyIdaho17,8742.18,477.5
169Granite CountyMontana3,6582.11,727.2
170Comanche CountyKansas1,6732.1788.3
171Saguache CountyColorado6,7322.13,168.6
172Emmons CountyNorth Dakota3,2152.11,508.4
173Modoc CountyCalifornia8,4262.13,948.2
174Johnson CountyWyoming8,9082.14,154.2
175Kane CountyUtah8,5972.23,994.1
176Menard CountyTexas1,9562.2902
177Hand CountySouth Dakota3,1212.21,436.6
178Lincoln CountyColorado5,6452.22,577.7
179Hettinger CountyNorth Dakota2,4922.21,132.2
180Sutton CountyTexas3,2032.21,453.9
181Faulk CountySouth Dakota2,1782.2981.7
182Lyman CountySouth Dakota3,6942.21,642.3
183Rawlins CountyKansas2,4312.31,069.4
184Emery CountyUtah10,1772.34,462.6
185Hot Springs CountyWyoming4,6002.32,004.4
186Kinney CountyTexas3,1282.31,360.5
187Adams CountyNorth Dakota2,2752.3987.5
188Dolores CountyColorado2,4662.31,067.2
189Brown CountyNebraska2,8262.31,221.4
190Cavalier CountyNorth Dakota3,4972.31,489.1
191Dewey CountySouth Dakota5,4192.42,302.4
192Bowman CountyNorth Dakota2,7622.41,161.8
193Socorro CountyNew Mexico15,8382.46,646.4
194Wallowa CountyOregon7,5952.43,145.9
195Ness CountyKansas2,6172.41,074.7
196Gove CountyKansas2,6312.51,071.7
197Logan CountyKansas2,6612.51,073
198Sherman CountyOregon2,0512.5823.6
199Skagway MunicipalityAlaska1,1042.5442.9
200Hamilton CountyKansas2,5002.5996.5

Read the differences behind ranks 101–200

The median density among these 100 entries is 1.9 people per mi². The first and last entries span 1.2 people per square mile. This median describes the entries on this page, not the full national dataset. Pagination is a browsing boundary, not a distinct geographic region.

Adjacent ranks can differ by a handful of residents or by many thousands. Open a county profile for its population trend since 2020, land area, and state comparisons.

Where the entries on this page are located

  • North Dakota14 entries · 14% of this page
  • Texas14 entries · 14% of this page
  • South Dakota12 entries · 12% of this page
  • Kansas11 entries · 11% of this page
  • Montana11 entries · 11% of this page
  • Colorado7 entries · 7% of this page

The remaining 9 jurisdictions contribute 31 entries. The list above shows the six most represented, with alphabetical ordering when counts tie.

These counts describe representation in this slice of the ranking. They do not measure a state’s share of national land or population. Compare the first and last county equivalents on this page to inspect land, water, and total area separately.

Read the geographic explanation behind this ranking, or return to the ranking overview for the national distribution and guidance on selecting a measurement.

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Population rankings use Census Bureau Vintage 2025 estimates; density rankings divide them by original ALAND square meters. Land rankings use original ALAND square meters; total-area rankings use ALAND + AWATER. Exact ties use ascending GEOID. Displayed square-mile values are rounded. Read the methodology.