Gregory is a city in Gregory County, South Dakota, home to about 1,379 people across 1.7 square miles. Its ZIP code is 57533.
Homes sold for a median of $227 per square foot in the three months ending August 2026.
Each card is that ZIP code’s whole market, including any part outside Gregory. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Eppley Airfield (OMA)221 miles away |
|---|---|
| Closer regional airport | Pierre Regional Airport (PIR)93 miles away |
| Nearest city of 250,000+ | Lincoln, NE216 miles away |
| Nearest city of 1 million+ | Chicago, IL602 miles away |
Straight-line distances from the center of Gregory; 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.
Gregory had 1,221 residents in the 2020 census, down 9% since 2000.
It’s the 58th largest of 440 towns in South Dakota by population.
Gregory County grew from 2,211 residents in 1900 to 3,994 in 2020.
Gregory County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 10°F. About 26.7 inches of rain and melted snow fall in a typical year, with about 45 inches of snow.
Source: NOAA 1991–2020 climate normals, Gregory, SD weather station (4 miles away).
1,194 jobs at 180 businesses in Gregory County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
23 doctors and other health care providers list an office in Gregory.
Nearest hospitals
Providers with an office here
| Primary care doctors | 6 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 2 |
| Nurse practitioners and physician assistants | 5 |
| Physical and occupational therapists | 5 |
| Chiropractors | 4 |
| Pharmacies | 4 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
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 Gregory School District 26-4. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Gregory Elementary - 02Gregory | Pre-K–5 | 237 | Public | 3.3 mi |
| Gregory Junior High - 04Gregory | 6–8 | 88 | Public | 3.3 mi |
| Gregory High School - 01Gregory | 9–12 | 117 | Public | 3.3 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.