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County ZIP codes · Colorado · FIPS 08115

Sedgwick County, CO ZIP Codes

Sedgwick County, Colorado has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 3 of the residential ones lie mainly in Sedgwick County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $52,500 in 80737 (Julesburg) to $74,375 in 80731 (Haxtun) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Sedgwick County?

69168 · Venango: $73k80731 · Haxtun: $74k80737 · Julesburg: $53k80744 · Ovid: $51k80749 · Sedgwick: $85k807318073769168807498074469168 · Venango: $73k80731 · Haxtun: $74k80737 · Julesburg: $53k80744 · Ovid: $51k80749 · Sedgwick: $85k807318073769168807498074469168 · Venango: $73k80731 · Haxtun: $74k80737 · Julesburg: $53k80744 · Ovid: $51k80749 · Sedgwick: $85k8073180737691688074980744
The residential ZIP codes of Sedgwick County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$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 its ZIP codes?

They carry 5 postal town names: Haxtun, Julesburg, Ovid, Venango, Sedgwick.

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

All 5 residential ZIP codes in Sedgwick County

3 ZIP codes lie mainly in Sedgwick County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Sedgwick County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
80737 Julesburg 1,420 6 $53k $162k 96%
80744 Ovid 615 5 $51k $127k 100%
80749 Sedgwick 264 2 $85k $138k 100%

Partly in Sedgwick County

Residential ZIP codes mainly in another county that reach at least 1% into Sedgwick County, by their share here
In this county
69168 Venango 288 2 $73k $86k 4%
80731 Haxtun 1,486 4 $74k $235k 2%

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

3 ZIP codes of Sedgwick County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Sedgwick County and in the neighboring counties
ZIPIn SedgwickElsewhere
807312%Phillips County60%; Logan County28%; Yuma County9%
8073796%Deuel County4%
691684%Perkins County61%; Chase County34%

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

Which first three digits do Sedgwick County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Sedgwick County's ZIP codes use 2 prefixes: 691 and 807.

Three-digit prefixes of Sedgwick County'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 Sedgwick County's
PrefixSectional centerHereAll codes
691North Platte, NE (SCF 691)147
807Denver, CO (SCF 800)433

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