Decatur is a city in DeKalb County, Georgia, home to about 24,518 people across 4.6 square miles. Its ZIP code is 30030.
Homes sold for a median of $328 per square foot in the three months ending August 2026, a seller’s market.
Mostly Decatur; also North Decatur and Scottdale
Each card is that ZIP code’s whole market, including any part outside Decatur. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Decatur’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Hartsfield Jackson Atlanta International Airport (ATL)12 miles away |
|---|---|
| Nearest city of 250,000+ | Atlanta, GA7 miles away |
| Nearest city of 1 million+ | Chicago, IL587 miles away |
Straight-line distances from the center of Decatur; 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.
Decatur had 24,928 residents in the 2020 census, up 37% since 2000.
It’s the 49th largest of 669 towns in Georgia by population.
DeKalb County grew from 21,112 residents in 1900 to 764,382 in 2020.
DeKalb County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 89°F in summer, and winter lows average 33°F. About 51.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Atlanta Peachtree Ap, GA weather station (7 miles away).
298,747 jobs at 18,258 businesses in DeKalb County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1,193 doctors and other health care providers list an office in Decatur.
Nearest hospitals
Providers with an office here
| Primary care doctors | 65 |
|---|---|
| Specialist doctors | 90 |
| Dentists | 44 |
| Nurse practitioners and physician assistants | 119 |
| Mental health providers | 706 |
| Physical and occupational therapists | 141 |
| Optometrists | 9 |
| Chiropractors | 19 |
| Pharmacies | 13 |
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.
Parks (29 nearby)
Grocery stores (4 nearby)
Pharmacies (3 nearby)
Libraries (2 nearby)
Museums (4 nearby)
Theaters and performance venues (4 nearby)
Counts are within about 1.5 miles 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.
Established in 1823.
Colleges and universities
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by City Schools of Decatur. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clairemont Elementary SchoolDecatur | Pre-K–2 | 162 | Public | 0.9 mi |
| Glennwood Elementary SchoolDecatur | Pre-K–2 | 184 | Public | 0.5 mi |
| Oakhurst Elementary SchoolDecatur | Pre-K–2 | 233 | Public | 0.8 mi |
| Westchester Elementary SchoolDecatur | Pre-K–2 | 174 | Public | 1.1 mi |
| Winnona Park Elementary SchoolDecatur | Pre-K–2 | 276 | Public | 0.4 mi |
| Fifth Avenue Upper Elementary SchoolDecatur | 3–5 | 529 | Public | 1.2 mi |
| Talley Street Upper Elementary SchoolDecatur | 3–5 | 623 | Public | 0.6 mi |
| Beacon Hill Middle SchoolDecatur | 6–8 | 1,285 | Public | 0.3 mi |
| Decatur High SchoolDecatur | 9–12 | 1,901 | Public | 0.1 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Decatur Presbyterian Children's CommunityDecatur | Pre-K–K | 12 | Presbyterian | 0.3 mi |
| St Thomas More Catholic SchoolDecatur | Pre-K–8 | 430 | Roman Catholic | 0.6 mi |
| The Friends School of AtlantaDecatur | Pre-K–8 | 152 | Friends (Quaker) | 1.2 mi |
| The Waldorf School of AtlantaDecatur | Pre-K–8 | 192 | Nonsectarian | 1.0 mi |
| The Ferguson SchoolDecatur | K–3 | 12 | Christian (no specific denomination) | 0.6 mi |
| The Hirsch AcademyDecatur | K–8 | 23 | Nonsectarian | 0.6 mi |
| Global Village ProjectDecatur | 6–8 | 39 | Nonsectarian | 0.3 mi |
| Academe of the OaksDecatur | 9–12 | 80 | Nonsectarian | 0.6 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with North Decatur, Scottdale and Belvedere Park.
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.