Sioux Falls Development Foundation

Vital Statistics - City of Sioux Falls
Date of Incorporation	March 20, 1889
Charter Adopted	May 24, 1889
2nd Charter Adopted	January 1, 1995
Presidents/Mayors to Date	31
Land Use	30% Residential 70% Nonresidential
Area	73.66 square miles
Altitude	1,422 feet above sea level
Latitude	43° 32' 50"
Longitude	96° 43' 48"
Paved Streets	806 miles
Storm Sewers	409 miles
Sanitary Sewers	813 miles
Water Mains	964 miles
Street Lights	16,998
City Employees	1,096
Uniformed Fire Fighters	184
Number of Fire Stations	10
ISO Rating	3
Police Officers	230
Average Response Time	6.05 minutes

Crime Rates
	1990	2000	2010
Criminal Homicide	4	2	4
Rape	48	87	94
Robbery	33	56	60
Aggravated Assault	178	234	197
Burglary	661	639	1,010
Larceny	3,624	3,248	3,868
Auto Theft	175	288	256
Source: City of Sioux Falls Police Department

Climate Statistics
Annual Average Temperature	45.7°F
Average Relative Humidity	67% (Noon)
Annual Precipitation	24.68 Inches
Annual Percentage of Possible Sunshine	63%
Average Annual Wind Speed	11.0 MPH
Annual Total Snow and Sleet	40.5 Inches
Annual Heating Degree Days (65°F Base)	7,683
Annual Cooling Degree Days (65°F Base)	776
First Fall Freeze Date	September 28
Last Spring Freeze Date	May 3

Average Temperatures - Degrees F
	Mean	High	Low
January	14.7	24.6	4.7
February	21.5	31.1	12.0
March	33.3	43.3	23.4
April	46.6	58.4	34.7
May	58.8	70.7	46.8
June	68.4	80.2	56.6
July	73.7	85.2	62.1
August	71.3	82.7	59.9
September	61.3	73.7	49.0
October	48.5	60.7	36.3
November	31.9	41.5	22.3
December	18.9	28.3	9.5

Buildings & Sites