Total Population 5,677
Male Share of the Population 50.8%
Female Share of the Population 49.2%
Senior Citizens 17.9%
Employed Population 16+ 2,842
Age of the Population 37


% of people married 50.7%
Average household size 2

Education and Earnings

Population % with Bachelor Degree or Higher 15.3%
Median Earnings25+ $29,407
Median Earnings Without High School Qualification $35,066
Median Earnings With High School Degree $18,807


Median Family Income $54,257
% Above Poverty Level 88.4%
% Below Poverty Level 11.6%

Commute & Sprawl

Average Commute Time 20 minutes
% Working from Home 3.3%
% Walking and Biking to Work 2.9%
% Using Public Transportation 0.7%


People Living Alone 31.9%
Median Gross Rent $616
Median House Value $110,100


Other(often includes Hispanic and African American) 16.6%
US/American 0%
English 6.5%
Irish 15.6%

Belle Fourche Almanac

Category Value
Nearest Medium City 51 miles NW of Rapid City, South Dakota (center to center)
Nearest Large City 346 miles N of Denver, Colorado
County Butte
Standard Zip Codes 57717
Phone Area Codes 605
Time Zone Mountain (-7 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 44.671
Longitude -103.851

Belle Fourche Climate

Nearest Weather Stations


  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)

Distance 0.3 miles
Jan Temp 11 to 36 F
Apr Temp 32 to 61 F
Jul Temp 57 to 89 F
Oct Temp 33 to 65 F
Annual Precip 17.9 inches
Distance 10.7 miles
Jan Temp 13 to 36 F
Apr Temp 33 to 57 F
Jul Temp 59 to 85 F
Oct Temp 36 to 60 F
Annual Precip 21.6 inches
Station NEWELL
Distance 20.8 miles
Jan Temp 8 to 30 F
Apr Temp 32 to 58 F
Jul Temp 59 to 87 F
Oct Temp 33 to 62 F
Annual Precip 15.4 inches

Neighborhood and Nearby Area Names

According to the US Postal Service, Belle Fourche, its neighborhoods, and/or surrounding areas are also referred to as:

Mason (57717)

Willet (57717)

Note that not all alternate names are acceptable for use in US Post Office addresses.

Nearby Cities and Towns

Location Population Median Family Income
Central City 126 $68,333
Deadwood 1,153 $67,000
Newell 726 $34,962
Nisland 339 $27,273
Spearfish 10,836 $67,279
Whitewood 899 $50,125

Belle Fourche Public Libraries

Northwest Regional Library
839 5TH AVE
Belle Fourche, South Dakota
(605) 892-4410
Belle Fourche Public Library
905 5TH AVE
Belle Fourche, South Dakota
(605) 892-4407

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More Information for Librarians

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Belle Fourche High Schools

1301 12TH AVE
Serves 407 students.
Student/teacher ratio: 13.7

Study Online in Belle Fourche
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Info for Belle Fourche Government Officials

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