PlainZIP

Marshalltown, IA

Single-footprint Census roll-up for Marshalltown, IA: 1 USPS ZIP, population 31,591. 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 MARSHALLTOWN-IA · Marshalltown, IA 1 ZIPs · 31,591 pop · #13101/25278 · Marshall County

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

  • INC-MID $70,367
  • RANK-MID #13101/25278
  • PHOTO-FINISH ≈ Melbourne
  • BOOK-ONE 1 ZIP
  • OWN-MID 72% owners
  • POP-SMALL 31,591
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $140,700

Nearest income peer: Melbourne, IA (+ $1,050 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 Marshalltown

Lowest/highest poles plus county-sharing cities nearest Marshalltown 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, Marshalltown, IA sits among US cities with a below-median household income, on a small-city population base, across a single-ZIP footprint.

48th pct
household income vs 25,278 US cities
31,591
city population (Census)
1
USPS ZIP codes covered
$70,367
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.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $70,367 and poverty 12.8% concentrate in 50158.

Owner-occupancy sits in a mixed band (71.6%) - check the ZIP page's tenure split before treating Marshalltown as a pure owner town.

Within Iowa, Garner is the closest lower-income city and Alta the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Marshalltown.

Population concentration

One ZIP, 50158, is all of Marshalltown

There is no split to weigh here: 50158 holds every one of Marshalltown's 31,591 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 Marshalltown's one ZIP

Citywide ZBP: 661 establishments, 12,582 employees , annual payroll $651,748k (~21 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50158 (661 units) ; leading NAICS Health care and social assistance (100) · also Retail trade · Other services (except public administration) .

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ZIP Codes in Marshalltown, IA

These ZIP codes sit in Marshall County, which covers 12 ZIP codes in all; 1 of them fall in Marshalltown. See the Marshall County roll-up →

Marshalltown sits in the lower half of Marshall County on income: State Center, Le Grand and Albion report more, Clemons and Ferguson report less. Saint Anthony marks the far end of that range at $151,250, 115% above Marshalltown.

ZIP Code Population Median income Establishments Density
50158 31,591 $70,367 661 58
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Marshalltown 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 Marshalltown, .