City

Keystone, SD

1 ZIP code  ·  Pennington County  ·  South Dakota

👥996Population
💰$100,714Median HH Income▲ 32% above avg
🎂52.2Median Age
🏠$388,300Median Home Value▲ 39% above avg
🎓54.7%College Grads▲ 41% above avg
📊3.1%Unemployment▼ 37% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 53.4% Female 46.6% ♀

Race & Ethnicity

White: 88.2%Hispanic: 6.6%Black: 0.4%Asian: 0.8%Other: 2.8%Race
White88.2%
Hispanic6.6%
Black0.4%
Asian0.8%
Other2.8%

Age Breakdown

Under 5
5%
5–17
16%
18–24
7%
25–44
15%
45–64
37%
65+
11%

Key Indicators

Median Age52.2 yrs
Avg HH Size2.67
Below Poverty6.9% ▼ 31% below avg
College Grads54.7% ▲ 41% above avg
Unemployment3.1% ▼ 37% below avg
HS Graduate181 (26.4%)
Some College95 (13.8%)
Associates35 (5.1%)
Bachelors71 (10.3%)
Graduate Degree304 (44.3%)

Education

HS Grad: 26.4%Some College: 13.8%Associates: 5.1%Bachelors: 10.3%Graduate: 44.3%Edu
HS Grad26.4%
Some College13.8%
Associates5.1%
Bachelors10.3%
Graduate44.3%
Housing & Income

Housing Tenure

Owner: 86.1%Renter: 13.9%Tenure
Owner86.1%
Renter13.9%

Home Value Distribution

Under $50k
11%
$50k–$100k
3%
$100k–$150k
1%
$150k–$200k
12%
$200k–$300k
15%
$300k–$500k
17%
Over $500k
41%

Financials

Median HH Income$100,714 ▲ 32% above avg
Median Home Value$388,300 ▲ 39% above avg
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$660/mo
Total Housing Units450
Vacant Units84

Income Distribution

Under $25k
9%
$25k–$50k
17%
$50k–$75k
14%
$75k–$100k
10%
$100k–$150k
17%
$150k–$200k
28%
Over $200k
6%
Employment & Commute

How People Get to Work

Drove Alone
77%
Walked
15%
Work From Home
8%

Commute Time

Under 15 min
24%
15–30 min
5%
30–45 min
34%
Over 45 min
37%
Housing Stock

Year Built

1940s–1950s
2%
1960s–1970s
11%
1980s–1990s
32%
2000+
55%
About Keystone, SD

Keystone is a city in South Dakota, located in Pennington County. The city spans 1 ZIP code and is home to approximately 996 residents. It is a mature city, with a median age of 52.2 years.

Economically, Keystone is a upper-middle-income community. The median household income of $100,714 is above the national average. Approximately 6.9% of residents live below the poverty line. The unemployment rate is 3.1%, below the national average.

The real estate market in Keystone is a mid-range housing market. Median home values stand at $388,300, which is above the national average. Renters typically pay around $660 per month. Homeownership is high at 86.1%, typical of suburban and family-oriented communities.

The population of Keystone is well-educated. 54.7% of adults hold a bachelor's degree or higher — above the national average. The community is primarily White (88.15%).

Keystone, SD offers residents above-average earning potential within South Dakota.

ZIP Codes in Keystone
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
57751 996 $100,714 $388,300 $660 3.1% 54.7% 86.1%