PlainZIP

Willowbrook, IL

Single-footprint Census roll-up for Willowbrook, IL: 1 USPS ZIP, population 27,486. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet WILLOWBROOK-IL · Willowbrook, IL 1 ZIPs · 27,486 pop · #3486/25278 · DuPage County

INC-HIGH · RANK-TOP · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-HIGH

  • INC-HIGH $106,543
  • RANK-TOP #3486/25278
  • PHOTO-FINISH ≈ West Chicago
  • BOOK-ONE 1 ZIP
  • OWN-MID 77% owners
  • POP-SMALL 27,486
  • SPREAD-UNK Single-ZIP book
  • HOME-HIGH $501,700

Nearest income peer: West Chicago, IL (+ $651 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Willowbrook

Lowest/highest poles plus county-sharing cities nearest Willowbrook on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Willowbrook, IL sits among US cities with an upper-quartile household income, on a small-city population base, across a single-ZIP footprint.

Top 14%
household income vs 25,278 US cities
27,486
city population (Census)
1
USPS ZIP codes covered
$106,543
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $106,543 and home value $501,700 should be read as near-neighborhood numbers ; bachelor's attainment averages 56.4%.

Owner-occupancy sits in a mixed band (77.2%) - check the ZIP page's tenure split before treating Willowbrook as a pure owner town.

Within Illinois, Romeoville is the closest lower-income city and Dundee the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Willowbrook.

Population concentration

Willowbrook's single ZIP 60527 carries the town

Willowbrook is published as a single USPS ZIP. Code 60527 is the entire residential footprint (27,486 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Willowbrook's one ZIP

Citywide ZBP: 1,501 establishments, 21,833 employees , annual payroll $1,784,334k (~55 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 60527 (1,501 units) ; leading NAICS Health care and social assistance (215) · also Transportation and warehousing · Professional, scientific, and technical services .

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ZIP Codes in Willowbrook, IL

These ZIP codes sit in DuPage County, which covers 36 ZIP codes in all; 1 of them fall in Willowbrook. See the DuPage County roll-up →

Willowbrook lands mid-pack among the 12 cities sharing DuPage County: Aurora, Naperville and Wheaton earn more and Lombard, Carol Stream and Addison earn less. Elmhurst marks the far end of that range at $147,566, 39% above Willowbrook.

ZIP Code Population Median income Establishments Density
60527 27,486 $106,543 1,501 732
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Willowbrook roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Willowbrook, .