Martinsville is a city in Clark County, Illinois, home to about 1,187 people across 2.0 square miles. Its ZIP code is 62442.
Mostly Martinsville
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| Nearest major airport | Indianapolis International Airport (IND)88 miles away |
|---|---|
| Closer regional airport | University of Illinois Willard Airport (CMI)54 miles away |
| Nearest city of 250,000+ | Indianapolis, IN97 miles away |
| Nearest city of 1 million+ | Chicago, IL174 miles away |
Straight-line distances from the center of Martinsville; 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.
Martinsville had 1,118 residents in the 2020 census, down 9% since 2000.
It’s the 655th largest of 1,450 towns in Illinois by population.
Clark County grew from 24,033 residents in 1900 to 15,455 in 2020.
Clark County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 19°F. About 45.6 inches of rain and melted snow fall in a typical year, with about 12 inches of snow.
Source: NOAA 1991–2020 climate normals, Casey, IL weather station (6 miles away).
3,487 jobs at 335 businesses in Clark County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Martinsville.
Nearest hospitals
Providers with an office here
| Primary care doctors | 2 |
|---|---|
| Nurse practitioners and physician assistants | 2 |
| Mental health providers | 1 |
| Pharmacies | 1 |
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.
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 Martinsville CUSD 3C. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Martinsville Elem SchoolMartinsville | Pre-K–6 | 238 | Public | 1.6 mi |
| Martinsville Jr- Sr High SchoolMartinsville | 7–12 | 146 | Public | 1.4 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.