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Rollinsville, Colorado

Coordinates: 39°55′13″N 105°30′05″W / 39.92028°N 105.50139°W / 39.92028; -105.50139 (Rollinsville CDP, Colorado)
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Rollinsville, Colorado
Census-designated place
Businesses along State Highway 119 in Rollinsville, April 2005
Businesses along State Highway 119 in Rollinsville, April 2005
Location of the Rollinsville CDP in Gilpin County, Colorado
Location of the Rollinsville CDP in Gilpin County, Colorado
Rollinsville is located in the United States
Rollinsville
Rollinsville
Location of the Rollinsville CDP in the United States.
Coordinates: 39°55′13″N 105°30′05″W / 39.92028°N 105.50139°W / 39.92028; -105.50139 (Rollinsville CDP, Colorado)[1]
Country United States
State Colorado
CountyGilpin County
Government
[1]
 • Typeunincorporated town
Area
[2]
 • Total3.658 km2 (1.412 sq mi)
 • Land3.658 km2 (1.412 sq mi)
 • Water0.000 km2 (0.000 sq mi)
Elevation
[1]
2,642 m (8,668 ft)
Population
 (2020)[3]
 • Total194
 • Density53/km2 (140/sq mi)
Time zoneUTC-7 (MST)
 • Summer (DST)UTC-6 (MDT)
ZIP Code[4]
80474
Area codes303 & 720
GNIS feature ID2583288[1]

Rollinsville is a census-designated place (CDP) and post office in and governed by Gilpin County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The Rollinsville post office has the ZIP Code 80474 (post office boxes).[4] At the United States Census 2020, the population of the Rollinsville CDP was 194.[3]

History

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The Rollinsville Post Office has been in operation since 1871.[5] The community was named for John Q. A. Rollins, a prominent mining executive in Gilpin County in the 1860s and 1870s.[6]

Geography

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Rollinsville is located in the mountains southwest of the city of Boulder, on the flank of a hill above South Boulder Creek along State Highway 119 between Nederland and Black Hawk. It consists of a small cluster of residences and several businesses at the terminus of the road leading westward up to Rollins Pass at the summit of the Front Range.

The South Boulder Creek flows just south of the town. The creek follows the railroad tracks into a small canyon and emerges near the Boulder/Gilpin county border before flowing through Pinecliffe.

The Rollinsville CDP has an area of 904 acres (3.658 km2), all land.[2]

Climate

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Pickle Gulch (RAWS) and Rollinsville 1.1 SSW (CoCoRaHS) are weather stations located around Rollinsville with temperature and precipitation data, respectively.[7][8] Pickle Gulch has a humid continental climate (Köppen Dfb), bordering on a subalpine climate (Köppen Dfc).

Climate data for Pickle Gulch (RAWS), Colorado, 2001–2020 normals: 9380ft (2859m)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 60
(16) 		60
(16) 		67
(19) 		68
(20) 		78
(26) 		87
(31) 		88
(31) 		88
(31) 		84
(29) 		74
(23) 		68
(20) 		59
(15) 		88
(31)
Mean maximum °F (°C) 52.3
(11.3) 		52.5
(11.4) 		58.4
(14.7) 		63.7
(17.6) 		72.4
(22.4) 		80.5
(26.9) 		83.1
(28.4) 		80.4
(26.9) 		76.9
(24.9) 		69.0
(20.6) 		60.1
(15.6) 		52.1
(11.2) 		84.4
(29.1)
Mean daily maximum °F (°C) 35.3
(1.8) 		35.5
(1.9) 		42.8
(6.0) 		48.3
(9.1) 		56.3
(13.5) 		68.8
(20.4) 		74.1
(23.4) 		71.6
(22.0) 		66.0
(18.9) 		53.0
(11.7) 		43.7
(6.5) 		35.4
(1.9) 		52.6
(11.4)
Daily mean °F (°C) 26.7
(−2.9) 		25.5
(−3.6) 		32.4
(0.2) 		37.8
(3.2) 		46.1
(7.8) 		56.9
(13.8) 		62.4
(16.9) 		60.0
(15.6) 		54.3
(12.4) 		42.4
(5.8) 		34.1
(1.2) 		26.6
(−3.0) 		42.1
(5.6)
Mean daily minimum °F (°C) 18.0
(−7.8) 		15.4
(−9.2) 		21.9
(−5.6) 		27.2
(−2.7) 		34.6
(1.4) 		45.0
(7.2) 		50.7
(10.4) 		48.5
(9.2) 		42.5
(5.8) 		31.7
(−0.2) 		24.4
(−4.2) 		17.6
(−8.0) 		31.5
(−0.3)
Mean minimum °F (°C) −0.9
(−18.3) 		−6.2
(−21.2) 		3.5
(−15.8) 		10.9
(−11.7) 		22.0
(−5.6) 		33.2
(0.7) 		42.3
(5.7) 		38.6
(3.7) 		28.6
(−1.9) 		13.5
(−10.3) 		3.4
(−15.9) 		−2.8
(−19.3) 		−11.6
(−24.2)
Record low °F (°C) −13
(−25) 		−28
(−33) 		−13
(−25) 		1
(−17) 		13
(−11) 		27
(−3) 		37
(3) 		32
(0) 		19
(−7) 		−10
(−23) 		−16
(−27) 		−20
(−29) 		−28
(−33)
Average precipitation inches (mm) 1.12
(28) 		1.51
(38) 		2.12
(54) 		2.41
(61) 		3.60
(91) 		1.74
(44) 		3.16
(80) 		2.42
(61) 		1.68
(43) 		1.25
(32) 		1.03
(26) 		1.08
(27) 		23.12
(585)
Average snowfall inches (cm) 12.6
(32) 		16.4
(42) 		22.0
(56) 		23.4
(59) 		14.7
(37) 		0.6
(1.5) 		0.0
(0.0) 		0.0
(0.0) 		0.5
(1.3) 		10.7
(27) 		11.8
(30) 		12.0
(30) 		124.7
(315.8)
Source: XMACIS2 (Cascade normals & Rollinsville 1.1 2013-2023 snowfall)[9]

Demographics

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Rollinsville CDP, Colorado
YearPop.±%
2010181—    
2020194+7.2%
Source: United States Census Bureau

The United States Census Bureau initially defined the Rollinsville CDP for the United States Census 2010.

See also

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References

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  1. ^ a b c d U.S. Geological Survey Geographic Names Information System: Rollinsville, Colorado
  2. ^ a b "State of Colorado Census Designated Places - BAS20 - Data as of January 1, 2020". United States Census Bureau. Retrieved December 22, 2020.
  3. ^ a b United States Census Bureau. "Rollinsville CDP, Colorado". Retrieved April 15, 2023.
  4. ^ a b "Look Up a ZIP Code". United States Postal Service. Retrieved December 22, 2020.
  5. ^ "Post offices". Jim Forte Postal History. Retrieved July 9, 2016.
  6. ^ Dawson, John Frank. Place names in Colorado: Why 700 communities were so named, 150 of Spanish or Indian origin. Denver, CO: The J. Frank Dawson Publishing Co. p. 43.
  7. ^ "Data of Meteorological Station Pickle Gulch, Colorado". geographic.org. Retrieved January 3, 2024.
  8. ^ "Data of Meteorological Station Rollinsville 1.1 Ssw, Colorado". geographic.org. Retrieved January 3, 2024.
  9. ^ "xmACIS2". National Oceanic and Atmospheric Administration. Retrieved January 3, 2024.
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