US ZIP Code
57745

Hill City, SD

Pennington County  ·  South Dakota

● Active
👥 1,784 Population ↓ 21% since 2019
💰 $90,089 Median HH Income
▲ 18% above avg ↑ 33% since 2019
🎂 45.5 Median Age ↓ 9% since 2019
🏠 $323,500 Median Home Value
▲ 16% above avg ↑ 49% since 2019
🎓 42.6% College Grads
▲ 10% above avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code57745
CityHill City
StateSouth Dakota (SD)
CountyPennington County
Area Code605
Elevation6,310 ft
Latitude44.013264
Longitude-103.785659
TimezoneChicago (DST)
FIPS46103
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 56.1% (1,001) Female 43.9% (783) ♀

Race & Ethnicity

White: 85.9%Hispanic: 5.6%Asian: 0.7%Other: 6.3%Race
White85.9%
Hispanic5.6%
Asian0.7%
Other6.3%

Age Breakdown

Under 5
3%
5–17
24%
18–24
6%
25–44
16%
45–64
35%
65+
9%

Key Indicators

Median Age45.5 yrs ↓ 9% since 2019
Avg Household Size2.66
Below Poverty6.2% ▼ 38% below avg
College Grads42.6% ▲ 10% above avg
Unemployment0.0% ▼ 100% below avg
HS Graduate311 (26.2%)
Some College171 (14.4%)
Associates199 (16.8%)
Bachelors97 (8.2%)
Graduate Degree409 (34.5%)

Education

HS Grad: 26.2%Some College: 14.4%Associates: 16.8%Bachelors: 8.2%Graduate: 34.5%Edu
HS Grad26.2%
Some College14.4%
Associates16.8%
Bachelors8.2%
Graduate34.5%
Housing & Income

Housing Tenure

Owner: 82.9%Renter: 17.1%Tenure
Owner82.9%
Renter17.1%

Home Value Distribution

Under $50k
4%
$50k–100k
1%
$100k–150k
1%
$150k–200k
14%
$200k–300k
26%
$300k–500k
34%
Over $500k
20%

Financials

Median HH Income$90,089 ▲ 18% above avg ↑ 33% since 2019
Median Home Value$323,500 ▲ 16% above avg ↑ 49% since 2019
Home/Income Ratio3.6x (nat avg ~3.5x)
Median Rent$1,016/mo ↑ 60% since 2019
Total Units941
Vacant Units297
Avg HH Size2.66

Income Distribution

Under $25k
9%
$25k–50k
10%
$50k–75k
25%
$75k–100k
12%
$100k–150k
29%
$150k–200k
10%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
88%
Walked
4%
Work From Home
8%

Commute Time

Under 15 min
43%
15–30 min
16%
30–45 min
24%
Over 45 min
16%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
8%
1960s–1970s
10%
1980s–1990s
25%
2000+
57%

Summary

Total Units941
Vacant297
Owner Occupied82.9%
Renter Occupied17.1%
Avg HH Size2.66
Frequently Asked Questions
ZIP code 57745 is in Hill City, SD, in Pennington County.
ZIP code 57745 is located in South Dakota (SD).
ZIP code 57745 is in Pennington County, SD.
ZIP 57745 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57745 is 1,784 people (ACS 2023).
The median household income in ZIP code 57745 is $90,089 (ACS 2023).
The median home value in ZIP 57745 is $323,500 (ACS 2023).
About ZIP Code 57745

ZIP code 57745 is located in Hill City, South Dakota, within Pennington County. With a population of 1,784, this is a sparsely populated ZIP code with a mature community — the median age is 45.5 years. Economically, 57745 is a middle-income ZIP code: the median household income of $90,089 is above the national average.

Real estate in ZIP code 57745 represents a mid-range housing market. The median home value of $323,500 is above the national average. Renters can expect to pay around $1,016 per month in median rent. Homeownership is strong here — 82.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 49% since 2019.

The population of 57745 is primarily White (85.87%). Residents are well-educated — 42.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.2%. Household income has grown by 33% since 2019.

As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 57745 in Hill City, SD is characterized as middle-income, well-educated, a mature community, and predominantly owner-occupied. With 1,784 residents, a median household income of $90,089, and a median home value of $323,500, it offers a clear picture of life in this part of South Dakota.