Boulder Hill is a community in Kendall County, Illinois, home to about 8,989 people across 1.5 square miles. It has no ZIP code of its own: it’s part of 60538.
Homes sold for a median of $207 per square foot in the three months ending August 2026, a seller’s market.
Mostly Montgomery; part is in Boulder Hill
Each card is that ZIP code’s whole market, including any part outside Boulder Hill. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Boulder Hill’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Chicago O'Hare International Airport (ORD)28 miles away |
|---|---|
| Nearest city of 250,000+ | Chicago, IL34 miles away |
Straight-line distances from the center of Boulder Hill; 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.
Boulder Hill had 8,394 residents in the 2020 census, up 3% since 2000.
It’s the 242nd largest of 1,450 towns in Illinois by population.
Kendall County grew from 11,467 residents in 1900 to 131,869 in 2020.
Kendall County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 16°F. About 39.7 inches of rain and melted snow fall in a typical year, with about 28 inches of snow.
Source: NOAA 1991–2020 climate normals, Aurora, IL weather station (4 miles away).
25,500 jobs at 2,548 businesses in Kendall County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
65 doctors and other health care providers list an office in Boulder Hill.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 6 |
| Dentists | 14 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 25 |
| Physical and occupational therapists | 7 |
| Optometrists | 2 |
| Chiropractors | 4 |
| Pharmacies | 6 |
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 (9 nearby)
Grocery stores (2 nearby)
Pharmacies (1 nearby)
Libraries
Museums
Theaters and performance venues
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 Kaneland CUSD 302, CUSD 308, Aurora West USD 129. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Kaneland McDole Elem SchoolMontgomery | Pre-K–5 | 440 | Public | 3.7 mi |
| Lakewood Creek ElementaryMontgomery | Pre-K–5 | 767 | Public | 3.4 mi |
| Long Beach Elem SchoolMontgomery | Pre-K–5 | 632 | Public | 0.5 mi |
| Boulder Hill Elem SchoolMontgomery | K–5 | 476 | Public | 0.7 mi |
| Nicholson Elem SchoolMontgomery | K–5 | 337 | Public | 1.1 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 Montgomery.
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.