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City ZIP codes · Oklahoma

Stillwater, OK ZIP Codes

5 ZIP codes use the postal name Stillwater, Oklahoma (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. Median household income runs from $46,053 in 74075 to $52,998 in 74074 (Census Bureau, ACS 2020-2024). Stillwater's most populous ZIP code is 74074, with 32,422 people (ACS 2020-2024); 11% of its land is in the city of Stillwater.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Stillwater's ZIP codes?

74074: $53k median household income74075: $46k median household income74077: – median household income74078: – median household income740747407574074: $53k median household income74075: $46k median household income74077: – median household income74078: – median household income740747407574074: $53k median household income74075: $46k median household income74077: – median household income74078: – median household income7407474075
The 4 residential ZIP codes named Stillwater, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Stillwater's ZIP codes?

The highest median household income is in 74074 ($52,998), the lowest in 74075 ($46,053). Home values run from $228,100 in 74075 to $258,700 in 74074.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 4 residential ZIP codes of Stillwater

Residential ZIP codes with the postal name Stillwater, OK, largest first (ACS 2020-2024); sort by any column
County
74074 Payne County 32,422 255 $53k $259k
74075 Payne County 26,451 279 $46k $228k
74077 Payne County 1,755 6,313 – –
74078 Payne County 451 3,268 – –

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Stillwater

1 ZIP code named Stillwater has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Stillwater, OK: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
74076Payne County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Stillwater's ZIP codes reach?

Stillwater's residential ZIP codes lie in 2 counties: Payne County (4 ZIP codes mainly there), Noble County (part of a ZIP code).

Which places do Stillwater's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Stillwater's residential ZIP codes cover Stillwater itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Ingalls census-designated 74074
  • Mehan census-designated 74074

Source: U.S. Census Bureau, 2020 ZCTA-to-place relationship file (shares of land).

Which first three digits do Stillwater's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Stillwater starts with 740.

Three-digit prefixes of Stillwater's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Stillwater's
PrefixSectional centerHereAll codes
740 Tulsa, OK (SCF 740) 5 75

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.