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Castlewood, SD vs Groton, SD

77
Castlewood
South Dakota
VS
+3.6%
75
Groton
South Dakota

Castlewood, SD and Groton, SD have a very similar cost of living, with only a 3.6% difference in their overall index. Castlewood scores 77 while Groton scores 75 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Castlewood is $1,028/month compared to $954/month in Groton — a 8% difference. Home values follow the same pattern: Groton is more affordable at $173,000 median vs $178,600.

Median household income in Castlewood is $87,768 compared to $82,083 in Groton (+6.9%). While Castlewood is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Castlewood spend roughly 14.1% of their income on rent, more than the 13.9% in Groton.

Climate-wise, both cities share similar average temperatures (43°F vs 44°F). Castlewood receives more rainfall at 22.7" per year compared to 21.8" in Groton.

Income & Cost

Cost of Living Index
Castlewood
77
Groton
75
4% cheaper
Median Household Income
Castlewood
$87,768
6% higher
Groton
$82,083

Housing

Median Rent
Castlewood
$1,028
Groton
$954
7% cheaper
Median Home Value
Castlewood
$178,600
Groton
$173,000
3% cheaper
Population
Castlewood
756
Groton
1,794

Salary Equivalency Calculator

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Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Castlewood 43°F
Groton 44°F
Summer High
Castlewood 82°F
Groton 85°F
Winter Low
Castlewood 3°F
Groton 2°F
Rainfall
Castlewood 22.7"
Groton 21.8"
Rainy Days
Castlewood 96d
Groton 98d