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County ZIP codes · Nebraska · FIPS 31165

Sioux County, NE ZIP Codes

Sioux County, Nebraska has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Sioux County and 3 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $52,159 in 69358 (Morrill) to $76,719 in 69348 (Hemingford) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Sioux County?

57735 · Edgemont: $72k69339 · Crawford: $66k69346 · Harrison: $62k69348 · Hemingford: $77k69354 · Marsland: $99k69357 · Mitchell: $70k69358 · Morrill: $52k69361 · Scottsbluff: $59k6934657735693486935469339693576936157735 · Edgemont: $72k69339 · Crawford: $66k69346 · Harrison: $62k69348 · Hemingford: $77k69354 · Marsland: $99k69357 · Mitchell: $70k69358 · Morrill: $52k69361 · Scottsbluff: $59k69346577356934869339693576936157735 · Edgemont: $72k69339 · Crawford: $66k69346 · Harrison: $62k69348 · Hemingford: $77k69354 · Marsland: $99k69357 · Mitchell: $70k69358 · Morrill: $52k69361 · Scottsbluff: $59k6934657735693486933969361
The residential ZIP codes of Sioux 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $58,623 and $71,576.

They carry 8 postal town names: Scottsbluff, Mitchell, Morrill, Edgemont, Crawford, Hemingford, Harrison, Marsland.

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

All 8 residential ZIP codes in Sioux County

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

Residential ZIP codes mainly in Sioux County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
69361 Scottsbluff 17,187 72 $59k $155k 57%
69357 Mitchell 3,677 10 $70k $182k 69%
69358 Morrill 2,062 10 $52k $153k 72%
69346 Harrison 480 0 $62k $96k 100%
69354 Marsland 110 0 $99k – 50%

Partly in Sioux County

Residential ZIP codes mainly in another county that reach at least 1% into Sioux County, by their share here
In this county
69339 Crawford 1,474 4 $66k $96k 33%
69348 Hemingford 1,334 2 $77k $134k 14%
57735 Edgemont 1,727 2 $72k $166k 2%

Download the 8 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?

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

Share of each ZIP code's land in Sioux County and in the neighboring counties
ZIPIn SiouxElsewhere
6936157%Scotts Bluff County43%
6935769%Scotts Bluff County31%
6935872%Scotts Bluff County28%
577352%Fall River County77%; Custer County21%
6933933%Dawes County67%
6934814%Box Butte County70%; Dawes County16%
6935450%Dawes County34%; Box Butte County16%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Sioux County's ZIP codes use 2 prefixes: 577 and 693.

Three-digit prefixes of Sioux 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 Sioux County's
PrefixSectional centerHereAll codes
577Rapid City, SD (SCF 577)158
693North Platte, NE (SCF 691)730

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