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Frankfort, SD vs Keystone, SD

76
Frankfort
South Dakota
VS
+11.7%
68
Keystone
South Dakota

Keystone is moderately more affordable than Frankfort, with a 11.7% lower cost of living index. Frankfort scores 76 compared to 68 for Keystone, where the US average is 100. This difference means residents of Frankfort can expect to pay noticeably more for everyday expenses, housing, and services.

When it comes to buying, median home values in Frankfort are $54,600 compared to $188,800 in Keystone, a 71% gap.

Median household income in Frankfort is $61,875 compared to $62,159 in Keystone (-0.5%). Keystone offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power.

Climate-wise, both cities share similar average temperatures (45.9°F vs 43.2°F). Frankfort receives more rainfall at 23.3" per year compared to 19.8" in Keystone.

Income & Cost

Cost of Living Index
Frankfort
76
Keystone
68
11% cheaper
Median Household Income
Frankfort
$61,875
Keystone
$62,159

Housing

Median Rent
Frankfort
Keystone
$690
Median Home Value
Frankfort
$54,600
71% cheaper
Keystone
$188,800
Population
Frankfort
142
Keystone
404

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Frankfort
Keystone $2.99
US $3.07
🥚
Eggs (grade A, large)
Frankfort
Keystone $2.44
US $2.50
🥛
Milk (whole)
Frankfort
Keystone $3.92
US $4.03
🍞
Bread (white)
Frankfort
Keystone $1.80
US $1.85
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Chicken breast
Frankfort
Keystone $4.03
US $4.14
Electricity
Frankfort
Keystone $0.15
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Frankfort 45.9°F
Keystone 43.2°F
Summer High
Frankfort 86°F
Keystone 79°F
Winter Low
Frankfort 6°F
Keystone 15°F
Rainfall
Frankfort 23.3"
Keystone 19.8"
Rainy Days
Frankfort 95d
Keystone 109d