Cost of Living in Castlewood, SD
Population: 756 | South Dakota
Castlewood is 23% less expensive than the national average.
Cost of Living in Castlewood, SD: What You Need to Know
With a cost of living index of 77, Castlewood, SD is a very affordable place to live. Living here is 23% cheaper than the national average and 3% above the South Dakota state average of 74. Castlewood is a small community of 756 residents.
Housing costs are the biggest factor in Castlewood's cost of living. The median monthly rent is $1,028 (22% below the US median of $1,319), and the median home value sits at $178,600 (41% below the national median of $304,900). At current prices, the median home costs roughly 2x the median household income — well within traditional affordability guidelines.
The median household income in Castlewood is $87,768, which is 17% higher than the national median of $75,149. Residents spend roughly 14% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum.
Climate is another factor for anyone considering a move to Castlewood. The area sees an average annual temperature of 43°F, with summers averaging 69°F and winters around 15°F. Annual rainfall totals 22.7 inches spread over roughly 96 days. Cold winters mean higher heating bills, an important cost-of-living consideration.
Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.
Income
- Median Household Income
- $87,768
- vs US Median ($75,149)
- +17%
Housing
- Median Rent
- $1,028/mo
- Median Home Value
- $178,600
- Median Monthly Housing Cost
- $950/mo
Climate in Castlewood
NOAA 30-year normals (1991-2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 21 | 26 | 39 | 54 | 67 | 77 | 82 | 80 | 72 | 56 | 40 | 26 |
| Avg °F | 12 | 16 | 29 | 43 | 56 | 66 | 71 | 69 | 60 | 46 | 31 | 18 |
| Low °F | 3 | 7 | 20 | 32 | 45 | 55 | 60 | 58 | 49 | 35 | 21 | 9 |
| Rain" | 0.6 | 0.7 | 1.0 | 2.1 | 2.9 | 3.9 | 3.1 | 2.9 | 2.5 | 2.0 | 0.7 | 0.7 |