PlainZIP

Knoxville, IA

Single-footprint Census roll-up for Knoxville, IA: 1 USPS ZIP, population 11,720. 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 KNOXVILLE-IA · Knoxville, IA 1 ZIPs · 11,720 pop · #11231/25278 · Marion County

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

  • INC-MID $74,693
  • RANK-MID #11231/25278
  • PHOTO-FINISH ≈ Bussey
  • BOOK-ONE 1 ZIP
  • OWN-MID 81% owners
  • POP-TOWN 11,720
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $196,700

Nearest income peer: Bussey, IA (+ $724 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 Knoxville

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

Top 44%
household income vs 25,278 US cities
11,720
city population (Census)
1
USPS ZIP codes covered
$74,693
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 50138 (11,720 residents). Household income $74,693 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (80.9%) - check the ZIP page's tenure split before treating Knoxville as a pure owner town.

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

Population concentration

Knoxville reads through its lone ZIP, 50138

11,720 ACS residents, one ZIP: 50138 is not the leading code inside Knoxville, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Mid-pack ZBP load on Knoxville's one ZIP

Citywide ZBP: 240 establishments, 3,841 employees , annual payroll $195,533k (~20 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 50138 (240 units) ; leading NAICS Retail trade (35) · also Health care and social assistance · Accommodation and food services .

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ZIP Codes in Knoxville, IA

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

Knoxville lands mid-pack among the 9 cities sharing Marion County: Pella, Tracy and Swan earn more and Pleasantville, Melcher Dallas and Harvey earn less. Columbia marks the far end of that range at $118,882, 59% above Knoxville.

ZIP Code Population Median income Establishments Density
50138 11,720 $74,693 240 27
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Knoxville 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 Knoxville, .