Hillsboro is a city in Montgomery County, Illinois, home to about 5,803 people across 8.3 square miles. Its ZIP codes are 62049 and 62051, and parts of 62075 are in Hillsboro too.
Homes sold for a median of $93 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
Mostly Hillsboro; also Schram City
Mostly Hillsboro; also Irving
Mostly Nokomis; part is in Hillsboro
Each card is that ZIP code’s whole market, including any part outside Hillsboro. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Hillsboro’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)56 miles away |
|---|---|
| Closer regional airport | Scott AFB/Midamerica Airport (BLV)47 miles away |
| Nearest city of 250,000+ | St. Louis, MO55 miles away |
| Nearest city of 1 million+ | Chicago, IL207 miles away |
Straight-line distances from the center of Hillsboro; 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.
Hillsboro had 5,902 residents in the 2020 census, up 35% since 2000.
It’s the 312th largest of 1,450 towns in Illinois by population.
Montgomery County grew from 30,836 residents in 1900 to 28,288 in 2020.
Montgomery 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 21°F. About 42 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hillsboro, IL weather station (about a mile away).
7,538 jobs at 676 businesses in Montgomery County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
62 doctors and other health care providers list an office in Hillsboro’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 15 |
|---|---|
| Dentists | 5 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 20 |
| Physical and occupational therapists | 7 |
| Optometrists | 5 |
| Chiropractors | 2 |
| 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.
Parks (4 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Counts are within about 2 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.
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 Hillsboro CUSD 3. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Beckemeyer Elem SchoolHillsboro | K–5 | 641 | Public | 1.5 mi |
| Hillsboro Jr High SchoolHillsboro | 6–8 | 319 | Public | 1.1 mi |
| Hillsboro High SchoolHillsboro | 9–12 | 419 | Public | 0.9 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 Nokomis, Schram City, Coalton, Irving and Wenonah.
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.