PlainZIP

Lockport, IL

Single-footprint Census roll-up for Lockport, IL: 1 USPS ZIP, population 36,869. 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 LOCKPORT-IL · Lockport, IL 1 ZIPs · 36,869 pop · #3940/25278 · Will County

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

  • INC-HIGH $103,374
  • RANK-TOP #3940/25278
  • PHOTO-FINISH ≈ Romeoville
  • BOOK-ONE 1 ZIP
  • OWN-MID 84% owners
  • POP-SMALL 36,869
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $297,300

Nearest income peer: Romeoville, IL (+ $2,884 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 Lockport

Lowest/highest poles plus county-sharing cities nearest Lockport 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, Lockport, IL sits among US cities with an upper-quartile household income, on a small-city population base, across a single-ZIP footprint.

Top 16%
household income vs 25,278 US cities
36,869
city population (Census)
1
USPS ZIP codes covered
$103,374
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 $103,374 and home value $297,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 36.5%.

Owner-occupancy sits in a mixed band (84.1%) - check the ZIP page's tenure split before treating Lockport as a pure owner town.

Within Illinois, Freeburg is the closest lower-income city and Elgin the closest higher-income city by average ZIP household income. Their 1 and 3 ZIP footprints are the immediate statewide comparison set for Lockport.

Population concentration

Lockport reads through its lone ZIP, 60441

36,869 ACS residents, one ZIP: 60441 is not the leading code inside Lockport, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Mid-pack ZBP load on Lockport's one ZIP

Citywide ZBP: 769 establishments, 7,492 employees , annual payroll $367,417k (~21 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 60441 (769 units) ; leading NAICS Construction (111) · also Transportation and warehousing · Other services (except public administration) .

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ZIP Codes in Lockport, IL

These ZIP codes sit in Will County, which covers 31 ZIP codes in all; 1 of them fall in Lockport. See the Will County roll-up →

Lockport sits in the lower half of Will County on income: Aurora, Naperville and Plainfield report more, Joliet and Crest Hill report less. Naperville marks the far end of that range at $181,382, 75% above Lockport.

ZIP Code Population Median income Establishments Density
60441 36,869 $103,374 769 508
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Lockport 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 Lockport, .