PlainZIP

Janesville, IA

Single-footprint Census roll-up for Janesville, IA: 1 USPS ZIP, population 1,894. 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-IA · Janesville, IA 1 ZIPs · 1,894 pop · #3829/25278 · Bremer County

INC-HIGH · RANK-TOP · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-MID

  • INC-HIGH $104,063
  • RANK-TOP #3829/25278
  • ABOVE-PEER over Denver
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 95% owners
  • POP-VILLAGE 1,894
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $314,200

Nearest income peer: Denver, IA ( $8,974 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, IA sits among US cities with an upper-quartile household income, on a village-scale population base, across a single-ZIP footprint.

Top 15%
household income vs 25,278 US cities
1,894
city population (Census)
1
USPS ZIP codes covered
$104,063
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 $104,063 and home value $314,200 should be read as near-neighborhood numbers ; bachelor's attainment averages 28.3%.

Owner-occupancy here runs high (94.7%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within Iowa, La Motte is the closest lower-income city and Hamlin the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Janesville.

Population concentration

One ZIP, 50647, is all of Janesville

There is no split to weigh here: 50647 holds every one of Janesville's 1,894 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

Mid-pack ZBP load on Janesville's one ZIP

Citywide ZBP: 33 establishments, 359 employees , annual payroll $18,489k (~17 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50647 (33 units) ; leading NAICS Other services (except public administration) (8) · also Manufacturing · Administrative and support and waste management and remediation services .

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ZIP Codes in Janesville, IA

These ZIP codes sit in Bremer County, which covers 7 ZIP codes in all; 1 of them fall in Janesville. See the Bremer County roll-up →

No other city sharing Bremer County reports a higher average ZIP median income than Janesville. Waverly, Sumner and Denver sit below it, so a household comparing this county on income alone starts here. Sumner marks the far end of that range at $72,794, 30% below Janesville.

ZIP Code Population Median income Establishments Density
50647 1,894 $104,063 33 24
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, .