US ZIP Code
57783

Spearfish, SD

Lawrence County  ·  South Dakota

● Active
👥 16,929 Population ↑ 9% since 2019
💰 $64,970 Median HH Income
▼ 15% below avg ↑ 28% since 2019
🎂 40.0 Median Age ↑ 3% since 2019
🏠 $332,300 Median Home Value
▲ 19% above avg ↑ 50% since 2019
🎓 50.3% College Grads
▲ 30% above avg
📊 1.8% Unemployment
▼ 63% below avg
ZIP Code Details
ZIP Code57783
CitySpearfish
StateSouth Dakota (SD)
CountyLawrence County
Area Code605
Elevation4,120 ft
Latitude44.456339
Longitude-103.925266
TimezoneChicago (DST)
FIPS46081
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.1% (8,481) Female 49.9% (8,448) ♀

Race & Ethnicity

White: 88.8%Hispanic: 3.4%Black: 0.1%Asian: 0.6%Other: 3.8%Race
White88.8%
Hispanic3.4%
Black0.1%
Asian0.6%
Other3.8%

Age Breakdown

Under 5
5%
5–17
14%
18–24
12%
25–44
24%
45–64
23%
65+
10%

Key Indicators

Median Age40.0 yrs ↑ 3% since 2019
Avg Household Size2.20
Below Poverty13.6% ▲ 36% above avg
College Grads50.3% ▲ 30% above avg
Unemployment1.8% ▼ 63% below avg
No HS Diploma123 (1.1%)
HS Graduate2,349 (20.9%)
Some College1,372 (12.2%)
Associates1,742 (15.5%)
Bachelors1,201 (10.7%)
Graduate Degree4,449 (39.6%)

Education

No HS: 1.1%HS Grad: 20.9%Some College: 12.2%Associates: 15.5%Bachelors: 10.7%Graduate: 39.6%Edu
No HS1.1%
HS Grad20.9%
Some College12.2%
Associates15.5%
Bachelors10.7%
Graduate39.6%
Housing & Income

Housing Tenure

Owner: 57.5%Renter: 42.5%Tenure
Owner57.5%
Renter42.5%

Home Value Distribution

Under $50k
6%
$50k–100k
6%
$100k–150k
5%
$150k–200k
5%
$200k–300k
21%
$300k–500k
34%
Over $500k
23%

Financials

Median HH Income$64,970 ▼ 15% below avg ↑ 28% since 2019
Median Home Value$332,300 ▲ 19% above avg ↑ 50% since 2019
Home/Income Ratio5.1x (nat avg ~3.5x)
Median Rent$946/mo ↑ 22% since 2019
Total Units8,347
Vacant Units733
Avg HH Size2.20

Income Distribution

Under $25k
17%
$25k–50k
20%
$50k–75k
17%
$75k–100k
15%
$100k–150k
16%
$150k–200k
7%
Over $200k
8%
Employment & Commute

How People Get to Work

Drove Alone
90%
Public Transit
1%
Walked
4%
Work From Home
5%

Commute Time

Under 15 min
61%
15–30 min
25%
30–45 min
6%
Over 45 min
8%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
5%
1960s–1970s
16%
1980s–1990s
16%
2000+
61%

Summary

Total Units8,347
Vacant733
Owner Occupied57.5%
Renter Occupied42.5%
Avg HH Size2.20
Frequently Asked Questions
ZIP code 57783 is in Spearfish, SD, in Lawrence County.
ZIP code 57783 is located in South Dakota (SD).
ZIP code 57783 is in Lawrence County, SD.
ZIP 57783 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57783 is 16,929 people (ACS 2023).
The median household income in ZIP code 57783 is $64,970 (ACS 2023).
The median home value in ZIP 57783 is $332,300 (ACS 2023).
About ZIP Code 57783

ZIP code 57783 is located in Spearfish, South Dakota, within Lawrence County. With a population of 16,929, this is a moderately populated ZIP code with a middle-aged community — the median age is 40 years. Economically, 57783 is a solidly middle-class ZIP code: the median household income of $64,970 is near the national average.

Real estate in ZIP code 57783 represents a mid-range housing market. The median home value of $332,300 is above the national average. Renters can expect to pay around $946 per month in median rent. The area has a relatively balanced mix of owners (57.5%) and renters (42.5%). Median home values have increased by 50% since 2019.

The population of 57783 is primarily White (88.75%). Residents are well-educated — 50.3% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 13.6%. Household income has grown by 28% since 2019.

The unemployment rate in 57783 stands at 1.8%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 84%.

Overall, ZIP code 57783 in Spearfish, SD is characterized as solidly middle-class, well-educated, and a middle-aged community. With 16,929 residents, a median household income of $64,970, and a median home value of $332,300, it offers a clear picture of life in this part of South Dakota.