Lake County, South Dakota demographics
Population: 11,358
Median age: 44.1
Median household income: 67,297
Demographics, population, home values, social and economic characteristics of Lake County, South Dakota.
Population
| 2021 | 11,358 |
| 2020 | 12,747 |
| 2019 | 12,717 |
| 2018 | 12,574 |
| 2017 | 12,350 |
| 2016 | 12,331 |
| 2015 | 12,086 |
| 2014 | 11,831 |
| 2013 | 11,564 |
| 2012 | 11,364 |
| 2011 | 11,193 |
| 2010 | 11,008 |
| 2009 | 11,500 |
Lake County, SD cities
Brant Lake city - 76
Chester CDP - 268
Lake Madison CDP - 856
Madison city - 6,388
Nunda town - 46
Ramona town - 274
Wentworth village - 130
Winfred CDP - 51
Census data for Lake County, South Dakota
Demographic and housing estimates in Lake County, South Dakota
| Total population | 11,358 |
| Male | 5,884 |
| Female | 5,474 |
| Total population | 11,358 |
| Under 5 years | 594 |
| 5 to 9 years | 672 |
| 10 to 14 years | 641 |
| 15 to 19 years | 842 |
| 20 to 24 years | 816 |
| 25 to 34 years | 1,106 |
| 35 to 44 years | 1,134 |
| 45 to 54 years | 1,136 |
| 55 to 59 years | 924 |
| 60 to 64 years | 948 |
| 65 to 74 years | 1,783 |
| 75 to 84 years | 458 |
| 85 years and over | 304 |
| Median age (years) | 44.1 |
| Under 18 years | 2,283 |
| 16 years and over | 9,314 |
| 18 years and over | 9,075 |
| 21 years and over | 8,486 |
| 62 years and over | 3,108 |
| 65 years and over | 2,545 |
| Total population | 11,358 |
| One race | 11,077 |
| White | 10,649 |
| Black or African American | 45 |
| American Indian and Alaska Native | 261 |
| Asian | 9 |
| Native Hawaiian and Other Pacific Islander | 4 |
| Some other race | 109 |
| Two or more races | 281 |
| Citizen, VOTING AGE 18 and over population | 8,956 |
| Male Citizen, VOTING AGE 18 and over population | 4,658 |
| Female Citizen, VOTING AGE 18 and over population | 4,298 |
Social characteristics in Lake County, South Dakota
| Total households | 4,619 |
| Family households (families) | 2,479 |
| Married-couple family | 239 |
| Male householder, no wife present, family | 920 |
| Female householder, no husband present, family | 678 |
| Nonfamily households | 981 |
| Average household size | 1,687 |
| Average family size | 2.34 |
Economic characteristics in Lake County, South Dakota
| Total households | 4,619 |
| Less than $10,000 | 159 |
| $10,000 to $14,999 | 316 |
| $15,000 to $24,999 | 414 |
| $25,000 to $34,999 | 186 |
| $35,000 to $49,999 | 507 |
| $50,000 to $74,999 | 939 |
| $75,000 to $99,999 | 673 |
| $100,000 to $149,999 | 923 |
| $150,000 to $199,999 | 242 |
| $200,000 or more | 260 |
| Median household income (dollars) | 67,297 |
Housing characteristics in Lake County, South Dakota
| Total housing units | 5,669 |
| Occupied housing units | 4,619 |
| Vacant housing units | 1,050 |
| Total housing units | 5,669 |
| 1-unit, detached | 4,134 |
| 1-unit, attached | 135 |
| 2 units | 136 |
| 3 or 4 units | 181 |
| 5 to 9 units | 196 |
| 10 to 19 units | 187 |
| 20 or more units | 266 |
| Mobile home | 434 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 5,669 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 349 |
| Built 2000 to 2009 | 610 |
| Built 1990 to 1999 | 790 |
| Built 1980 to 1989 | 576 |
| Built 1970 to 1979 | 784 |
| Built 1960 to 1969 | 557 |
| Built 1950 to 1959 | 282 |
| Built 1940 to 1949 | 326 |
| Built 1939 or earlier | 1,395 |
| Total housing units | 5,669 |
| 1 room | 54 |
| 2 rooms | 106 |
| 3 rooms | 541 |
| 4 rooms | 877 |
| 5 rooms | 784 |
| 6 rooms | 786 |
| 7 rooms | 620 |
| 8 rooms | 613 |
| 9 rooms or more | 1,288 |
| Median rooms | 6.1 |
| Total housing units | 5,669 |
| No bedroom | 54 |
| 1 bedroom | 520 |
| 2 bedrooms | 1,504 |
| 3 bedrooms | 1,835 |
| 4 bedrooms | 1,162 |
| 5 or more bedrooms | 594 |
| Occupied housing units | 4,619 |
| Owner-occupied | 3,341 |
| Renter-occupied | 1,278 |
| Average household size of owner-occupied unit | 2.46 |
| Average household size of renter-occupied unit | 2.02 |
| Occupied housing units | 4,619 |
| Moved in 2017 or later | 321 |
| Moved in 2015 to 2016 | 1,275 |
| Moved in 2010 to 2014 | 745 |
| Moved in 2000 to 2009 | 1,081 |
| Moved in 1990 to 1999 | 519 |
| Moved in 1989 and earlier | 678 |
| Owner-occupied units | 3,341 |
| Less than $50,000 | 265 |
| $50,000 to $99,999 | 606 |
| $100,000 to $149,999 | 467 |
| $150,000 to $199,999 | 507 |
| $200,000 to $299,999 | 686 |
| $300,000 to $499,999 | 549 |
| $500,000 to $999,999 | 216 |
| $1,000,000 or more | 45 |
| Median (dollars) | 172,700 |
| Owner-occupied units | 3,341 |
| Housing units with a mortgage | 1,783 |
| Housing units without a mortgage | 1,558 |
| Occupied units paying rent | 1,170 |
| Less than $500 | 269 |
| $500 to $999 | 641 |
| $1,000 to $1,499 | 160 |
| $1,500 to $1,999 | 100 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 753 |
| No rent paid | 108 |
Demographic data for Lake County, SD and each city in the county. Lists of cities by population, wealth and poverty in Lake County, SD.
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