Zip Code 60559
Westmont, Illinois — Dupage County
📍 ZIP code 60559 is in Westmont, Dupage County, Illinois.
ZIP code 60559 is located in Westmont, Dupage County, Illinois. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 24,404. The area code for ZIP code 60559 is 309.
Quick Answer
Zip code 60559 is in Westmont, Illinois (Dupage County). It has a population of 24,404, median household income of $87,474, and median home value of $356,400.
Population
24,404
Income
$87,474
Home Value
$356,400
Climate
84°F / 15°F
About Zip Code 60559
Zip code 60559 is located in Westmont, Illinois, within Dupage County. Home to approximately 24,404 residents, this area sits at an elevation of 757 ft and falls within the Central (CST/CDT) timezone. The local area code is 309.
The median household income is $87,474 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $356,400, and the cost of living index is 122 (22% above the national average of 100).
Summers average a high of 84°F while winters drop to 15°F. The area receives about 40 in of rain and 42 in of snow annually. The zip code covers 4.9 square miles of land area and 0.1 square miles of water.
Key Statistics
24,404
$87,474
$356,400
Central (CST/CDT)
309
757 ft
4.9 sq mi
42.1
11,105
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Compare With Nearby Zip Codes
| Metric | 60559 | 60514 | 60521 | 60515 | 60523 | 60516 |
|---|---|---|---|---|---|---|
| City | Westmont, IL | Clarendon Hills, IL | Oak Brook, IL | Downers Grove, IL | Oak Brook, IL | Woodridge, IL |
| Population | 24,404 | 9,760 | 18,097 | 29,045 | 10,012 | 28,594 |
| Median Income | $87,474 | $114,672 | $244,318 | $121,358 | $114,418 | $118,780 |
| Home Value | $356,400 | $568,300 | $988,000 | $453,300 | $733,300 | $423,000 |
| Cost of Living | 122 | 176 | 250 | 156 | 210 | 147 |
| Median Age | 42.1 | 41.1 | 42.4 | 43.7 | 54.7 | 42 |
Cost of Living
100 = National Average. Westmont's cost of living is 22% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.1x
Demographics
Zip code 60559 has a population of 24,404 people with a median age of 42.1. There are 11,105 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Westmont (60559) population trend from 2010 to 2024
↓ -25.8%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
84°F
15°F
40 in
42 in
Westmont experiences warm summers with average highs around 84°F. Winters are cold with lows averaging 15°F. With 42 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$356,400
Median Household Income
$87,474
With 11,105 housing units across 4.9 square miles, 60559 has a housing density of 2,266 units per square mile. The home price-to-income ratio is 4.1x.
Location & Geography
Latitude
41.7944°
Longitude
-87.9729°
Land Area
4.9 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 60559 (Westmont, IL) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 60559's $87,474. A way to compare Westmont to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 60559 (Westmont, IL). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Westmont, Illinois?
Westmont, Illinois uses zip code 60559.
What county is zip code 60559 in?
Zip code 60559 is located in Dupage County, Illinois.
What is the population of zip code 60559?
The population of zip code 60559 is 24,404 with a median age of 42.1.
Is 60559 in Westmont, Illinois?
Yes, zip code 60559 is in Westmont, Dupage County, Illinois. The area code is 309.
Frequently Asked Questions
What city is zip code 60559 in?
Zip code 60559 is in Westmont, Illinois. It is part of Dupage County and uses the Central (CST/CDT) timezone.
What is zip code 60559?
Zip code 60559 is a U.S. postal code in Westmont, Illinois (Dupage County). It has a population of 24,404 and covers 4.9 square miles.
What is the population of zip code 60559?
The population of zip code 60559 (Westmont, IL) is 24,404 with a median age of 42.1. There are approximately 11,105 housing units in this area.
What is the median income in zip code 60559?
The median household income in zip code 60559 (Westmont, IL) is $87,474 per year. The cost of living index is 122 (100 = national average).
What is the average home price in zip code 60559?
The median home value in zip code 60559 (Westmont, IL) is $356,400. The cost of living index is 122 compared to the national average of 100.
What county is zip code 60559 in?
Zip code 60559 is located in Dupage County, Illinois. The primary city is Westmont.
What is the area code for zip code 60559?
Zip code 60559 in Westmont, IL uses area code 309. It is located in the Central (CST/CDT) timezone.
Is zip code 60559 a good place to live?
Zip code 60559 (Westmont, IL) has a cost of living index of 122 (100 = national average), a median household income of $87,474, and median home values of $356,400. The median age is 42.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 60559?
The cost of living index for zip code 60559 (Westmont, IL) is 122, where 100 represents the national average. This area is above the national average. Median home value: $356,400.
What schools serve zip code 60559?
Zip code 60559 in Westmont, Illinois is served by the local school district of Dupage County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.