PlainZIP

Waterloo, IL

Single-footprint Census roll-up for Waterloo, IL: 1 USPS ZIP, population 16,609. 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 WATERLOO-IL · Waterloo, IL 1 ZIPs · 16,609 pop · #4276/25278 · Monroe County

INC-HIGH · RANK-TOP · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-HIGH $101,155
  • RANK-TOP #4276/25278
  • BELOW-PEER under Fults
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 85% owners
  • POP-TOWN 16,609
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $290,200

Nearest income peer: Fults, IL (+ $6,762 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 Waterloo

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

Top 17%
household income vs 25,278 US cities
16,609
city population (Census)
1
USPS ZIP codes covered
$101,155
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 $101,155 and home value $290,200 should be read as near-neighborhood numbers ; bachelor's attainment averages 36.2%.

Owner-occupancy here runs high (85.3%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

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

Population concentration

One ZIP, 62298, is all of Waterloo

There is no split to weigh here: 62298 holds every one of Waterloo's 16,609 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

Dense ZBP book packed into Waterloo's one ZIP

Citywide ZBP: 410 establishments, 3,660 employees , annual payroll $138,883k (~25 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 62298 (410 units) ; leading NAICS Other services (except public administration) (53) · also Health care and social assistance · Retail trade .

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ZIP Codes in Waterloo, IL

These ZIP codes sit in Monroe County, which covers 6 ZIP codes in all; 1 of them fall in Waterloo. See the Monroe County roll-up →

Waterloo lands mid-pack among the 5 cities sharing Monroe County: Columbia, Fults and Renault earn more and Valmeyer and Hecker earn less. Renault marks the far end of that range at $139,063, 37% above Waterloo.

ZIP Code Population Median income Establishments Density
62298 16,609 $101,155 410 45
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Waterloo 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 Waterloo, .