PlainZIP

Grundy Center, IA

Single-footprint Census roll-up for Grundy Center, IA: 1 USPS ZIP, population 3,313. 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 GRUNDY-CENTER-IA · Grundy Center, IA 1 ZIPs · 3,313 pop · #7656/25278 · Grundy County

INC-HIGH · RANK-UPPER · BELOW-PEER · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-HIGH $85,223
  • RANK-UPPER #7656/25278
  • BELOW-PEER under Conrad
  • BOOK-ONE 1 ZIP
  • OWN-MID 82% owners
  • POP-VILLAGE 3,313
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $185,200

Nearest income peer: Conrad, IA (+ $2,854 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 Grundy Center

Lowest/highest poles plus county-sharing cities nearest Grundy Center 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, Grundy Center, IA sits among US cities with an above-median household income, on a village-scale population base, across a single-ZIP footprint.

Top 30%
household income vs 25,278 US cities
3,313
city population (Census)
1
USPS ZIP codes covered
$85,223
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 (1) - lead code 50638 (3,313 residents). Household income $85,223 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (81.9%) - check the ZIP page's tenure split before treating Grundy Center as a pure owner town.

Within Iowa, New Albin is the closest lower-income city and Ridgeway the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Grundy Center.

Population concentration

Grundy Center's single ZIP 50638 carries the town

Grundy Center is published as a single USPS ZIP. Code 50638 is the entire residential footprint (3,313 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 Grundy Center's one ZIP

Citywide ZBP: 114 establishments, 956 employees , annual payroll $48,293k (~34 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50638 (114 units) ; leading NAICS Health care and social assistance (19) · also Construction · Retail trade .

View your shortlist →

ZIP Codes in Grundy Center, IA

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

Grundy Center lands mid-pack among the 7 cities sharing Grundy County: Dike, Conrad and Holland earn more and Reinbeck, Wellsburg and Stout earn less. Holland marks the far end of that range at $108,750, 28% above Grundy Center.

ZIP Code Population Median income Establishments Density
50638 3,313 $85,223 114 14
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Grundy Center 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 Grundy Center, .