PlainZIP

Janesville, WI

Single-footprint Census roll-up for Janesville, WI: 3 USPS ZIPs, population 72,323. 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 JANESVILLE-WI · Janesville, WI 3 ZIPs · 72,323 pop · #10898/25278 · Rock County

INC-HIGH · RANK-MID · BELOW-PEER · BOOK-FEW · OWN-MID · POP-SMALL · SPREAD-TIGHT · HOME-MID

  • INC-HIGH $75,528
  • RANK-MID #10898/25278
  • BELOW-PEER under Clinton
  • BOOK-FEW 3 ZIPs
  • OWN-MID 70% owners
  • POP-SMALL 72,323
  • SPREAD-TIGHT 53545→53548
  • HOME-MID $231,667

Nearest income peer: Clinton, WI (+ $3,795 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 Janesville

Lowest/highest poles plus county-sharing cities nearest Janesville 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, Janesville, WI sits among US cities with an above-median household income, on a small-city population base, across a handful of delivery areas.

Top 43%
household income vs 25,278 US cities
72,323
city population (Census)
3
USPS ZIP codes covered
$75,528
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.

Above-median income on a short ZIP list (3) - lead code 53546 (30,648 residents). Household income $75,528 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (69.7%) - check the ZIP page's tenure split before treating Janesville as a pure owner town.

Within Wisconsin, Glen Haven is the closest lower-income city and Plum City the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Janesville.

Within-city ZIP comparison

Where the ZIP codes inside Janesville differ

The published income range is comparatively compact across the ZIPs in Janesville: $73,889 in ZIP 53545 to $76,869 in 53548. The city average is therefore a more representative summary here, though each ZIP page still carries its own housing and demographic record.

Income high-to-low ratio
1.0×

53545 to 53548

Home-value high-to-low ratio
1.1×

53545 to 53546

Poverty-rate spread
3.4 points

53546 to 53548

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Janesville residents split across a short ZIP set

No ZIP owns Janesville: the largest, 53546, is only about 42% of 72,323 residents across 3 codes. Compare at least two ZIPs before treating the city roll-up as a neighborhood answer.

Census ZBP business roll-up

Balanced ZBP roll-up inside compact Janesville

Citywide ZBP: 1,667 establishments, 33,860 employees , annual payroll $1,824,650k (~23 establishments per 1,000 residents) across 3 of 3 ZIPs. Peak business ZIP 53545 (773 units) ; leading NAICS Retail trade (255) · also Health care and social assistance · Other services (except public administration) .

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ZIP Codes in Janesville, WI

These ZIP codes sit in Rock County, which covers 13 ZIP codes in all; 3 of them fall in Janesville. See the Rock County roll-up →

Janesville sits in the lower half of Rock County on income: Edgerton, Milton and Evansville report more, Beloit, Orfordville and Footville report less. Brooklyn marks the far end of that range at $108,036, 43% above Janesville.

Side-by-side: Compare 53546 vs 53545 →

ZIP Code Population Median income Establishments Density
53546 30,648 $75,825 600 143
53545 23,117 $73,889 773 360
53548 18,558 $76,869 294 100
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Janesville 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 Janesville, .