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County ZIP codes · Missouri · FIPS 29049

Clinton County, MO ZIP Codes

Clinton County, Missouri has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Clinton County and 5 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $64,643 in 64477 (Plattsburg) to $103,131 in 64048 (Holt) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Clinton County?

64048 · Holt: $103k64062 · Lawson: $92k64429 · Cameron: $69k64444 · Edgerton: $69k64454 · Gower: $87k64465 · Lathrop: $81k64474 · Osborn: $77k64477 · Plattsburg: $65k64490 · Stewartsville: $89k64492 · Trimble: $66k64493 · Turney: $65k644296446564062644906447764454644926447464048644446449364048 · Holt: $103k64062 · Lawson: $92k64429 · Cameron: $69k64444 · Edgerton: $69k64454 · Gower: $87k64465 · Lathrop: $81k64474 · Osborn: $77k64477 · Plattsburg: $65k64490 · Stewartsville: $89k64492 · Trimble: $66k64493 · Turney: $65k644296446564062644906447764454644926447464048644446449364048 · Holt: $103k64062 · Lawson: $92k64429 · Cameron: $69k64444 · Edgerton: $69k64454 · Gower: $87k64465 · Lathrop: $81k64474 · Osborn: $77k64477 · Plattsburg: $65k64490 · Stewartsville: $89k64492 · Trimble: $66k64493 · Turney: $65k6442964465640626449064477644546449264474640486444464493
The residential ZIP codes of Clinton 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 $66,211 and $88,750.

They carry 11 postal town names.

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

All 11 residential ZIP codes in Clinton County

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

Residential ZIP codes mainly in Clinton County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
64465 Lathrop 3,947 42 $81k $192k 86%
64477 Plattsburg 3,489 40 $65k $239k 100%
64454 Gower 2,941 41 $87k $261k 56%
64490 Stewartsville 1,939 22 $89k $182k 60%
64492 Trimble 1,713 48 $66k $226k 72%
64493 Turney 333 10 $65k $389k 100%

Partly in Clinton County

Residential ZIP codes mainly in another county that reach at least 1% into Clinton County, by their share here
In this county
64474 Osborn 831 15 $77k $138k 43%
64048 Holt 4,387 96 $103k $338k 37%
64429 Cameron 11,449 76 $69k $207k 31%
64062 Lawson 6,968 81 $92k $274k 11%
64444 Edgerton 1,043 30 $69k $234k 4%

Download the 11 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?

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

Share of each ZIP code's land in Clinton County and in the neighboring counties
ZIPIn ClintonElsewhere
6442931%DeKalb County 33%; Caldwell County 31%; Daviess County 6%
6406211%Ray County 73%; Clay County 13%; Caldwell County 2%
6404837%Clay County 63%
6446586%Caldwell County 14%
6445456%Buchanan County 44%
6449060%DeKalb County 40%
6449272%Clay County 22%; Platte County 6%
644444%Platte County 77%; Buchanan County 19%
6447443%DeKalb County 57%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Clinton County's ZIP codes use 2 prefixes: 640 and 644.

Three-digit prefixes of Clinton 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 Clinton County's
PrefixSectional centerHereAll codes
640 Kansas City, MO (SCF 640) 2 68
644 Kansas City, MO (SCF 640) 9 70

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