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County ZIP codes · Nebraska · FIPS 31081

Hamilton County, NE ZIP Codes

Hamilton County, Nebraska has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Hamilton County and 8 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $69,432 in 68944 (Harvard) to $96,641 in 68832 (Doniphan) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Hamilton County?

68319 · Bradshaw: $73k68371 · Henderson: $84k68628 · Clarks: $58k68654 · Polk: $65k68818 · Aurora: $81k68832 · Doniphan: $97k68841 · Giltner: $77k68843 · Hampton: $93k68846 · Hordville: $68k68854 · Marquette: $92k68865 · Phillips: $110k68944 · Harvard: $69k68979 · Sutton: $86k68980 · Trumbull: $124k688186897968832686286894468319688436885468865683716865468841688466898068319 · Bradshaw: $73k68371 · Henderson: $84k68628 · Clarks: $58k68654 · Polk: $65k68818 · Aurora: $81k68832 · Doniphan: $97k68841 · Giltner: $77k68843 · Hampton: $93k68846 · Hordville: $68k68854 · Marquette: $92k68865 · Phillips: $110k68944 · Harvard: $69k68979 · Sutton: $86k68980 · Trumbull: $124k688186897968832686286894468319688436885468865683716865468841688466898068319 · Bradshaw: $73k68371 · Henderson: $84k68628 · Clarks: $58k68654 · Polk: $65k68818 · Aurora: $81k68832 · Doniphan: $97k68841 · Giltner: $77k68843 · Hampton: $93k68846 · Hordville: $68k68854 · Marquette: $92k68865 · Phillips: $110k68944 · Harvard: $69k68979 · Sutton: $86k68980 · Trumbull: $124k688186897968832686286894468319688546886568371686546884168980
The residential ZIP codes of Hamilton 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 $81,045 and $85,862.

They carry 14 postal town names.

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

All 14 residential ZIP codes in Hamilton County

6 ZIP codes lie mainly in Hamilton County; 8 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Hamilton County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
68818 Aurora 5,680 31 $81k $264k 94%
68843 Hampton 1,032 13 $93k $250k 96%
68865 Phillips 941 16 $110k $297k 100%
68854 Marquette 708 10 $92k $305k 100%
68841 Giltner 649 10 $77k $222k 100%
68846 Hordville 283 9 $68k $96k 100%

Partly in Hamilton County

Residential ZIP codes mainly in another county that reach at least 1% into Hamilton County, by their share here
In this county
68371 Henderson 1,314 17 $84k $168k 23%
68980 Trumbull 561 15 $124k $260k 19%
68832 Doniphan 2,126 21 $97k $250k 12%
68944 Harvard 1,252 12 $69k $126k 11%
68654 Polk 569 10 $65k $116k 9%
68979 Sutton 1,572 12 $86k $158k 5%
68628 Clarks 848 8 $58k $184k 5%
68319 Bradshaw 632 9 $73k $164k 1%

Download the 14 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?

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

Share of each ZIP code's land in Hamilton County and in the neighboring counties
ZIPIn HamiltonElsewhere
6881894%Clay County 6%
6883212%Hall County 88%
689795%Clay County 64%; Fillmore County 29%; York County 1%
6837123%York County 77%
6894411%Clay County 89%
6884396%York County 4%
686285%Merrick County 77%; Polk County 19%
683191%York County 99%
686549%Polk County 63%; York County 28%
6898019%Clay County 47%; Adams County 27%; Hall County 8%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Hamilton County's ZIP codes use 4 prefixes: 683, 686, 688 and 689.

Three-digit prefixes of Hamilton 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 Hamilton County's
PrefixSectional centerHereAll codes
683 Lincoln, NE (SCF 683) 2 70
686 Omaha, NE (SCF 680) 2 43
688 Lincoln, NE (SCF 683) 7 66
689 Lincoln, NE (SCF 683) 3 57

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