PlainZIP

Duncan, OK

Single-footprint Census roll-up for Duncan, OK: 1 USPS ZIP, population 28,434. 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 DUNCAN-OK · Duncan, OK 1 ZIPs · 28,434 pop · #17900/25278 · Stephens County

INC-MID · RANK-LOWER · BELOW-PEER · BOOK-ONE · OWN-MID · POP-SMALL · SPREAD-UNK · HOME-LOW

  • INC-MID $59,906
  • RANK-LOWER #17900/25278
  • BELOW-PEER under Foster
  • BOOK-ONE 1 ZIP
  • OWN-MID 71% owners
  • POP-SMALL 28,434
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $144,500

Nearest income peer: Foster, OK (+ $3,308 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 Duncan

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

29th pct
household income vs 25,278 US cities
28,434
city population (Census)
1
USPS ZIP codes covered
$59,906
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 $59,906 and poverty 18.6% concentrate in 73533.

Owner-occupancy sits in a mixed band (71.2%) - check the ZIP page's tenure split before treating Duncan as a pure owner town.

Within Oklahoma, Mill Creek is the closest lower-income city and El Reno the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Duncan.

Population concentration

Duncan reads through its lone ZIP, 73533

28,434 ACS residents, one ZIP: 73533 is not the leading code inside Duncan, 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

Dense ZBP book packed into Duncan's one ZIP

Citywide ZBP: 735 establishments, 9,913 employees , annual payroll $449,733k (~26 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 73533 (735 units) ; leading NAICS Retail trade (113) · also Health care and social assistance · Other services (except public administration) .

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ZIP Codes in Duncan, OK

These ZIP codes sit in Stephens County, which covers 6 ZIP codes in all; 1 of them fall in Duncan. See the Stephens County roll-up →

Duncan sits in the lower half of Stephens County on income: Marlow, Comanche and Velma report more, and only Loco reports less. Velma marks the far end of that range at $83,750, 40% above Duncan.

ZIP Code Population Median income Establishments Density
73533 28,434 $59,906 735 33
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Duncan 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 Duncan, .