Castlewood city, South Dakota demographics
Population: 680
Median age: 34.0
Median household income: 69,844
Castlewood is a city in Hamlin County, South Dakota, United States.
Demographics, population, home values, social and economic characteristics of Castlewood city, SD.
Population
| 2021 | 680 |
| 2020 | 582 |
| 2019 | 619 |
| 2018 | 661 |
| 2017 | 644 |
| 2016 | 609 |
| 2015 | 668 |
| 2014 | 682 |
| 2013 | 677 |
| 2012 | 688 |
| 2011 | 632 |
| 2010 | 584 |
| 2009 | 623 |
Census data for Castlewood city, South Dakota
Demographic and housing estimates in Castlewood city, South Dakota
| Total population | 680 |
| Male | 347 |
| Female | 333 |
| Total population | 680 |
| Under 5 years | 52 |
| 5 to 9 years | 58 |
| 10 to 14 years | 55 |
| 15 to 19 years | 59 |
| 20 to 24 years | 46 |
| 25 to 34 years | 86 |
| 35 to 44 years | 71 |
| 45 to 54 years | 84 |
| 55 to 59 years | 35 |
| 60 to 64 years | 40 |
| 65 to 74 years | 49 |
| 75 to 84 years | 22 |
| 85 years and over | 23 |
| Median age (years) | 34.0 |
| Under 18 years | 204 |
| 16 years and over | 513 |
| 18 years and over | 476 |
| 21 years and over | 439 |
| 62 years and over | 123 |
| 65 years and over | 94 |
| Total population | 680 |
| One race | 645 |
| White | 637 |
| Black or African American | 0 |
| American Indian and Alaska Native | 0 |
| Asian | 0 |
| Native Hawaiian and Other Pacific Islander | 0 |
| Some other race | 8 |
| Two or more races | 35 |
| Citizen, VOTING AGE 18 and over population | 465 |
| Male Citizen, VOTING AGE 18 and over population | 245 |
| Female Citizen, VOTING AGE 18 and over population | 220 |
Social characteristics in Castlewood city, South Dakota
| Total households | 247 |
| Family households (families) | 136 |
| Married-couple family | 6 |
| Male householder, no wife present, family | 51 |
| Female householder, no husband present, family | 25 |
| Nonfamily households | 54 |
| Average household size | 73 |
| Average family size | 2.75 |
Economic characteristics in Castlewood city, South Dakota
| Total households | 247 |
| Less than $10,000 | 4 |
| $10,000 to $14,999 | 6 |
| $15,000 to $24,999 | 14 |
| $25,000 to $34,999 | 27 |
| $35,000 to $49,999 | 27 |
| $50,000 to $74,999 | 60 |
| $75,000 to $99,999 | 58 |
| $100,000 to $149,999 | 36 |
| $150,000 to $199,999 | 9 |
| $200,000 or more | 6 |
| Median household income (dollars) | 69,844 |
Housing characteristics in Castlewood city, South Dakota
| Total housing units | 253 |
| Occupied housing units | 247 |
| Vacant housing units | 6 |
| Total housing units | 253 |
| 1-unit, detached | 223 |
| 1-unit, attached | 0 |
| 2 units | 3 |
| 3 or 4 units | 6 |
| 5 to 9 units | 7 |
| 10 to 19 units | 10 |
| 20 or more units | 0 |
| Mobile home | 2 |
| Boat, RV, van, etc. | 2 |
| Total housing units | 253 |
| Built 2014 or later | 0 |
| Built 2010 to 2013 | 21 |
| Built 2000 to 2009 | 23 |
| Built 1990 to 1999 | 16 |
| Built 1980 to 1989 | 18 |
| Built 1970 to 1979 | 44 |
| Built 1960 to 1969 | 10 |
| Built 1950 to 1959 | 30 |
| Built 1940 to 1949 | 3 |
| Built 1939 or earlier | 88 |
| Total housing units | 253 |
| 1 room | 10 |
| 2 rooms | 2 |
| 3 rooms | 12 |
| 4 rooms | 15 |
| 5 rooms | 16 |
| 6 rooms | 63 |
| 7 rooms | 55 |
| 8 rooms | 25 |
| 9 rooms or more | 55 |
| Median rooms | 6.7 |
| Total housing units | 253 |
| No bedroom | 10 |
| 1 bedroom | 8 |
| 2 bedrooms | 50 |
| 3 bedrooms | 89 |
| 4 bedrooms | 74 |
| 5 or more bedrooms | 22 |
| Occupied housing units | 247 |
| Owner-occupied | 199 |
| Renter-occupied | 48 |
| Average household size of owner-occupied unit | 3.03 |
| Average household size of renter-occupied unit | 1.63 |
| Occupied housing units | 247 |
| Moved in 2017 or later | 20 |
| Moved in 2015 to 2016 | 38 |
| Moved in 2010 to 2014 | 62 |
| Moved in 2000 to 2009 | 47 |
| Moved in 1990 to 1999 | 45 |
| Moved in 1989 and earlier | 35 |
| Owner-occupied units | 199 |
| Less than $50,000 | 14 |
| $50,000 to $99,999 | 21 |
| $100,000 to $149,999 | 72 |
| $150,000 to $199,999 | 46 |
| $200,000 to $299,999 | 39 |
| $300,000 to $499,999 | 7 |
| $500,000 to $999,999 | 0 |
| $1,000,000 or more | 0 |
| Median (dollars) | 144,600 |
| Owner-occupied units | 199 |
| Housing units with a mortgage | 127 |
| Housing units without a mortgage | 72 |
| Occupied units paying rent | 30 |
| Less than $500 | 8 |
| $500 to $999 | 15 |
| $1,000 to $1,499 | 7 |
| $1,500 to $1,999 | 0 |
| $2,000 to $2,499 | 0 |
| $2,500 to $2,999 | 0 |
| $3,000 or more | 0 |
| Median (dollars) | 725 |
| No rent paid | 18 |
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