Carthage is a town in Smith County, Tennessee, home to about 2,327 people across 2.9 square miles. Its ZIP code is 37030.
Homes sold for a median of $157 per square foot in the three months ending August 2026, a balanced market.
Mostly Carthage; also South Carthage
Each card is that ZIP code’s whole market, including any part outside Carthage. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Nashville International Airport (BNA)42 miles away |
|---|---|
| Nearest city of 250,000+ | Nashville-Davidson, TN47 miles away |
| Nearest city of 1 million+ | Chicago, IL395 miles away |
Straight-line distances from the center of Carthage; 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.
Carthage had 2,291 residents in the 2020 census, up 2% since 2000.
It’s the 191st largest of 502 towns in Tennessee by population.
Smith County grew from 19,026 residents in 1900 to 19,904 in 2020.
Smith 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 27°F. About 52.5 inches of rain and melted snow fall in a typical year, with about 2 inches of snow.
Source: NOAA 1991–2020 climate normals, Carthage, TN weather station (2 miles away).
4,921 jobs at 307 businesses in Smith County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
41 doctors and other health care providers list an office in Carthage.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 1 |
| Dentists | 5 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 2 |
| Physical and occupational therapists | 3 |
| Optometrists | 2 |
| Chiropractors | 3 |
| 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 (2 nearby)
Libraries
Museums
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.
Public schools here are run by Smith County. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Carthage ElementaryCarthage | Pre-K–4 | 465 | Public | 1.8 mi |
| Defeated ElementaryCarthage | Pre-K–8 | 288 | Public | 4.6 mi |
| Union Heights ElementaryCarthage | Pre-K–8 | 268 | Public | 5.9 mi |
| Smith County Middle SchoolCarthage | 5–8 | 289 | Public | 3.4 mi |
| Smith County High SchoolCarthage | 9–12 | 476 | Public | 1.6 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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Shares ZIP codes with South Carthage.
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.