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ZIP Code57799

Spearfish, SD

Lawrence County · South Dakota · United States
Home to 578 people across 0.188 square miles.

Mountain7 ZIPs in county

At a glance

57799 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
578
±34 · bottom 25% nationally
Median household income
US median $70,109 ·
Median home value
US median $207,500 ·
Median age
19.6
US median 42 years
Population density
3,074/mi²
top 25% most dense
Land area
0.188 mi²
negligible water area

Location

Where 57799 is

44.498152, -103.872505 · Census ZCTA internal pointOpen larger map →
Coordinates44.498152, -103.872505
Time zoneAmerica/Denver
CountyLawrence County
StateSouth Dakota (SD)
Land area0.188 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/Denver

—:—:—

Current weather

Live from the National Weather Service

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Distance to major cities

Straight-line, computed from coordinates

Denver, CO333.8 mi
Chicago, IL836.5 mi
Phoenix, AZ880.4 mi
Dallas, TX894.5 mi

People

Who lives in 57799

578 residents in 0 households, averaging None people per household. The largest age group is 18-24 at 96.7% of residents.

Age distribution

Share of residents by age band

Under 180.0%
18-2496.7%
25-340.2%
35-442.6%
45-540.3%
55-640.2%
65+0.0%

Households

Composition and size

Total households0
Average household sizeNone
Family householdsNone%
Living aloneNone%
Median age19.6 years

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White79.1%
Black11.1%
Asian0.2%
Native American3.5%
Other0.3%
Two or more5.9%
Hispanic / Latino14.9%

Income & work

What people earn in 57799

Income data is suppressed for this ZIP code.

Compared to the US

This ZIP against the national median

Median household income
Median household income±—
Per capita income$52,449
Poverty rateNone%
Unemployment rate9.8%
Labor force participation66.8%

Household income distribution

Share of households in each bracket

Educational attainment among residents 25 and older: 21.1% hold a bachelor's degree or higher, 100.0% finished high school.

Housing

Homes and rent in 57799

Housing cost data is suppressed for this ZIP code.

Costs

Typical values

Median home value
Median gross rent—/mo
Median year built
Housing units0
Vacancy rateNone%

Own vs. rent

Of 0 occupied units

Owner-occupiedNone%
Renter-occupiedNone%
Owner households0
Renter households0

Building types

Units by structure size

Getting to work

How 57799 commutes

55.4% of workers drove alone, and the average one-way trip takes 13.3 minutes.

Mode of transport

Workers 16 and older

Drove alone55.4%
Carpooled4.3%
Walked27.2%
Worked from home13.0%

Travel time

Mean commute 13.3 minutes

<10 min47.0%
10-1931.0%
20-2918.5%
30-441.1%
45-592.5%
60+0.0%

Overview

Understanding ZIP code 57799

ZIP code 57799 is assigned to Spearfish, SD, and falls within Lawrence County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 578 people live inside it.

At 3,074 residents per square mile spread over 0.188 square miles, 57799 reads as a densely built-up area. It is a sparsely populated postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Living here

What life in Spearfish looks like

The population skews notably young, with a median age of 19.6 against 42 nationally.

Getting to work takes 13.3 minutes on average one way. The dominant mode is drove alone at 55.4% of workers, while 27.2% walk, 13.0% work from home. Commute patterns are one of the better proxies for how a place actually functions day to day.

Where to stay

Where to stay in Spearfish, SD

Spearfish is a built-up area, so you will generally find a mix of chain hotels near the main approach roads and a smaller number of independent properties closer to the centre. Staying in 57799 itself often costs less than an equivalent room in the nearest downtown while keeping you close to it.

For reference, Denver, CO is about 333.8 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

Opens Booking.com in a new tab. We are not affiliated with Booking.com and receive nothing from this link.

Practical uses

What ZIP code 57799 is used for

Beyond addressing mail, 57799 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 57799 offers a compact profile of Spearfish: 578 residents, 21.1% of adults holding a bachelor's degree or higher, and an unemployment rate of 9.8%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 57799 may cover parts of several distinct areas, and a single neighbourhood in Spearfish may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

Nearby

ZIP codes near 57799

The eight closest postal codes by centroid distance, each with its own full profile. You can also browse every South Dakota ZIP code or use the ZIP Express Lookup to search by city, county or time zone.

Other ZIP codes in Spearfish

Spearfish is served by 2 postal codes.

More in Lawrence County

Look up another

Search any ZIP code

Questions

Common questions about 57799

What city is ZIP code 57799 in?
57799 serves Spearfish, South Dakota, in Lawrence County, United States.
What is the population of 57799?
About 578 people live in ZIP code 57799, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±34. That works out to roughly 3,074 people per square mile.
Is 57799 a good place to live?
That depends on what you're looking for, but here are the facts: 21.1% of adults hold a bachelor's degree or higher, the unemployment rate is 9.8%, and the median age is 19.6. The average commute is 13.3 minutes. We publish the numbers and let you weigh them.
What time zone is 57799 in?
57799 observes Mountain Time (America/Denver). This zone observes daylight saving time.
How big is ZIP code 57799?
ZIP code 57799 covers 0.188 square miles of land, per the US Census Bureau's 2023 Gazetteer files.
Is 57799 urban, suburban or rural?
By population density, 57799 reads as a densely built-up area. It holds 3,074 people per square mile across 0.188 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
What is the commute like from 57799?
The average one-way commute from 57799 takes about 13.3 minutes. The most common way to travel is drove alone, used by 55.4% of workers aged 16 and over. Commute figures cover people who were employed and working outside the home during the survey period.
How many people work in 57799?
About 348 residents of 57799 are employed. Labor force participation stands at 66.8% and the unemployment rate is 9.8%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 57799?
Accommodation in and around Spearfish, SD ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 57799 cover more than one city or county?
This page lists Spearfish as the primary place and Lawrence County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 57799 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 57799. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 57799, the Census approximation of the USPS delivery area.