Population
| Year |
Community |
County |
State |
| 1980 |
6,210 |
10,724 |
690,768 |
| 1990 |
6,257 |
10,568 |
697,101 |
| 2000 |
6,540 |
11,245 |
755,694 |
| 2007 |
6,319 |
11,372 |
796,214 |
| 2010 |
6,474 |
11,200 |
814,180 |
| 2012 |
6,843 |
11,832 |
834,504 |
| 2013 |
6,961 |
12,078 |
845,510 |
| 2014 |
7,126 |
12,368 |
853,175 |
Source: Stats from US Census & SD Dept of Labor and Regulation, updated March 2016.
Current Population of Lake County, SD by Select Age Group
| 0-17 |
18-34 |
35-54 |
55-64 |
65+ |
| 2,398 |
2,619 |
2,786 |
1,841 |
2,127 |
Source: Stats from US Census & SD Dept of Labor and Regulation, updated March 2016.
Income Totals
2014 Median household income
- Madison: $37,045
- Lake County: $50,378
- South Dakota: $50,338
Source: U.S. Census
2014 Median Family Income
- Madison: $58,298
- Lake County: $70,517
- South Dakota: $64,636
Source: U.S. Census
Municipal Services
- City Commissioners - 4
- Mayor - 1
- Sheriff's Office - 12
- City Police - 11
- Fire Department - Chief + 28 volunteer
- Fire Insurance Rating - Class 6
Location
Distance in miles to the nearest metro areas.
| City
| Freight in miles |
Days by Freight |
| Minneapolis |
240 |
1 |
| Chicago |
599 |
1 |
| Denver |
685 |
2 |
| Kansas City |
417 |
1 |
| Winnipeg, MB |
441 |
1 |
Climate
| Average winter temperature: |
14 degrees |
| Average summer temperature: |
75 degrees |
| Average annual precipitation: |
24 inches |
| Average annual snowfall: |
40 inches |
| Average annual number of sunny or partly sunny days: |
208 |
| Average elevation: |
1,670 |