PlainZIP

Le Mars, IA

Single-footprint Census roll-up for Le Mars, IA: 1 USPS ZIP, population 12,336. 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 LE-MARS-IA · Le Mars, IA 1 ZIPs · 12,336 pop · #10504/25278 · Plymouth County

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

  • INC-HIGH $76,525
  • RANK-MID #10504/25278
  • PHOTO-FINISH ≈ Akron
  • BOOK-ONE 1 ZIP
  • OWN-MID 65% owners
  • POP-TOWN 12,336
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $222,800

Nearest income peer: Akron, IA ( $1,121 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 Le Mars

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

Top 42%
household income vs 25,278 US cities
12,336
city population (Census)
1
USPS ZIP codes covered
$76,525
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 51031 (12,336 residents). Household income $76,525 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (65.1%) - check the ZIP page's tenure split before treating Le Mars as a pure owner town.

Within Iowa, Grafton is the closest lower-income city and Albion the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Le Mars.

Population concentration

Le Mars's single ZIP 51031 carries the town

Le Mars is published as a single USPS ZIP. Code 51031 is the entire residential footprint (12,336 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 Le Mars's one ZIP

Citywide ZBP: 383 establishments, 8,591 employees , annual payroll $629,571k (~31 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 51031 (383 units) ; leading NAICS Retail trade (47) · also Other services (except public administration) · Construction .

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ZIP Codes in Le Mars, IA

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

Le Mars sits in the lower half of Plymouth County on income: Remsen, Hinton and Merrill report more, and only Brunsville reports less. Hinton marks the far end of that range at $114,219, 49% above Le Mars.

ZIP Code Population Median income Establishments Density
51031 12,336 $76,525 383 20
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Le Mars 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 Le Mars, .