Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/IL/BOULDER-HILL

Boulder Hill ZIP codes, Illinois

No ZIP code is named for Boulder Hill, IL; addresses there use a neighbouring town's name. The ZIP code covering it is 60538. Its area codes are 630 and 331.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
8,989
Area codes
630, 331

NANPA lists no telephone rate centre for Boulder Hill itself, so these are the area codes of the nearest one, Aurora (2.4 miles). A town on an area-code boundary can differ from its neighbour.

Boulder Hill in numbers

About 8,989 people live in Boulder Hill, in 2,998 households. The median household income is $80,377 a year, 4% below the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $238,700 (9% below the Illinois median), and median gross rent is $1,633 a month. The median age is 37.6; 19.2% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 27 minutes.

Population8,989Boulder Hill8,989
Households2,998Boulder Hill2,998
Median age37.6Boulder Hill37.6Illinois39.0US 38.9
Median household income$80,377Boulder Hill$80,377Illinois$83,390US $80,734
Median home value$238,700Boulder Hill$238,700Illinois$263,300US $332,700
Median gross rent$1,633Boulder Hill$1,633Illinois$1,274US $1,413
Bachelor's degree or higher19.2%Boulder Hill19.2%Illinois37.8%US 35.7%
Mean commute27.4 minBoulder Hill27.4 minIllinois27.8 minUS 26.4 min
Population density6,165 / sq miBoulder Hill6,165 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Boulder Hill CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Boulder Hill

These ZIP codes cover part of Boulder Hill but are addressed as somewhere else.

ZIP codes overlapping Boulder Hill
ZIP City Type Population Median income Median home
60538 Montgomery , IL Standard 30,514 $97,131 $267,300

Map of Boulder Hill ZIP codes

60538

The ZIP codes of Boulder Hill, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Boulder Hill

The nearest larger towns are Montgomery (21,515 people, 1.5 mi), Oswego (36,375 people, 1.9 mi) and Aurora (179,898 people, 4.3 mi).

Towns near Boulder Hill
TownPopulationDistance
Montgomery 21,515 1.5 mi
Oswego 36,375 1.9 mi
Aurora 179,898 4.3 mi
Yorkville 23,617 5.9 mi
North Aurora 18,696 6.8 mi
Sugar Grove 9,240 7.2 mi
Plainfield 46,708 7.2 mi
Naperville 150,692 9.3 mi
Batavia 27,151 9.6 mi
Plano 12,203 10.7 mi
Warrenville 14,718 10.7 mi
Bolingbrook 74,096 11.8 mi
Geneva 21,258 11.9 mi
Romeoville 41,152 13.3 mi

More nearby: every ZIP code in Kendall County · Illinois ZIP codes

Cite this page

zipcodes.pro. “Boulder Hill, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/boulder-hill

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