Hermosa is a town in Custer County, South Dakota, home to about 353 people across 0.5 square miles. It has no ZIP code of its own: it’s part of 57744.
Homes sold for a median of $270 per square foot in the three months ending August 2026, a buyer’s market.
Each card is that ZIP code’s whole market, including any part outside Hermosa. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hermosa’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Denver International Airport (DEN)284 miles away |
|---|---|
| Closer regional airport | Rapid City Regional Airport (RAP)17 miles away |
| Nearest city of 250,000+ | Denver, CO293 miles away |
| Nearest city of 1 million+ | Chicago, IL798 miles away |
Straight-line distances from the center of Hermosa; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Hermosa had 382 residents in the 2020 census, up 21% since 2000.
It’s the 181st largest of 440 towns in South Dakota by population.
Custer County grew from 2,728 residents in 1900 to 8,318 in 2020.
Custer County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 79°F in summer, and winter lows average 18°F. About 24.3 inches of rain and melted snow fall in a typical year, with about 59 inches of snow.
Source: NOAA 1991–2020 climate normals, Mt Rushmore Nmem, SD weather station (13 miles away).
1,536 jobs at 327 businesses in Custer County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Custer School District 16-1, Oglala Lakota County School District 65-1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Hermosa Elementary - 04Hermosa | Pre-K–6 | 181 | Public | 1.5 mi |
| Red Shirt School - 04Hermosa | Pre-K–8 | 53 | Public | 18.7 mi |
| Hermosa Middle School - 07Hermosa | 7–8 | 48 | Public | 1.5 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.