PlainZIP

Grinnell, IA

Single-footprint Census roll-up for Grinnell, IA: 1 USPS ZIP, population 11,536. 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 GRINNELL-IA · Grinnell, IA 1 ZIPs · 11,536 pop · #14449/25278 · Poweshiek County

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

  • INC-MID $67,078
  • RANK-MID #14449/25278
  • PHOTO-FINISH ≈ Searsboro
  • BOOK-ONE 1 ZIP
  • OWN-MID 69% owners
  • POP-TOWN 11,536
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $214,900

Nearest income peer: Searsboro, IA (+ $26 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 Grinnell

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

43rd pct
household income vs 25,278 US cities
11,536
city population (Census)
1
USPS ZIP codes covered
$67,078
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 $67,078 and poverty 9.1% concentrate in 50112.

Owner-occupancy sits in a mixed band (68.7%) - check the ZIP page's tenure split before treating Grinnell as a pure owner town.

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

Population concentration

Grinnell's single ZIP 50112 carries the town

Grinnell is published as a single USPS ZIP. Code 50112 is the entire residential footprint (11,536 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Grinnell's one ZIP

Citywide ZBP: 338 establishments, 7,582 employees , annual payroll $357,217k (~29 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50112 (338 units) ; leading NAICS Health care and social assistance (57) · also Retail trade · Professional, scientific, and technical services .

View your shortlist →

ZIP Codes in Grinnell, IA

These ZIP codes sit in Poweshiek County, which covers 8 ZIP codes in all; 1 of them fall in Grinnell. See the Poweshiek County roll-up →

Grinnell sits in the lower half of Poweshiek County on income: Brooklyn, Malcom and Deep River report more, and only Montezuma reports less. Malcom marks the far end of that range at $115,000, 71% above Grinnell.

ZIP Code Population Median income Establishments Density
50112 11,536 $67,078 338 24
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Grinnell 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 Grinnell, .