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County ZIP codes · Missouri · FIPS 29047

Clay County, MO ZIP Codes

Clay County, Missouri has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 21 residential and 4 for PO boxes or a single organization. 18 of the residential ones lie mainly in Clay County and 3 mainly in a neighboring county; 7 cross the county line. Median household income ranges from $59,601 in 64117 to $149,526 in 64157 (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Clay County?

64024 · Excelsior Springs: $78k64048 · Holt: $103k64060 · Kearney: $113k64062 · Lawson: $92k64068 · Liberty: $92k64072 · Missouri City: $38k64077 · Orrick: $76k64089 · Smithville: $101k64116 · Kansas City: $64k64117 · Kansas City: $60k64118 · Kansas City: $75k64119 · Kansas City: $84k64155 · Kansas City: $98k64156 · Kansas City: $130k64157 · Kansas City: $150k64158 · Kansas City: $105k64161 · Kansas City: $53k64165 · Kansas City: –64166 · Kansas City: $163k64167 · Kansas City: $203k64492 · Trimble: $66k6406064077640686406264024640896449264048641616415564119641166415764118640726411764166641656415864024 · Excelsior Springs: $78k64048 · Holt: $103k64060 · Kearney: $113k64062 · Lawson: $92k64068 · Liberty: $92k64072 · Missouri City: $38k64077 · Orrick: $76k64089 · Smithville: $101k64116 · Kansas City: $64k64117 · Kansas City: $60k64118 · Kansas City: $75k64119 · Kansas City: $84k64155 · Kansas City: $98k64156 · Kansas City: $130k64157 · Kansas City: $150k64158 · Kansas City: $105k64161 · Kansas City: $53k64165 · Kansas City: –64166 · Kansas City: $163k64167 · Kansas City: $203k64492 · Trimble: $66k640606407764068640626402464089644926404864161641556411964116641576411864072641176416664024 · Excelsior Springs: $78k64048 · Holt: $103k64060 · Kearney: $113k64062 · Lawson: $92k64068 · Liberty: $92k64072 · Missouri City: $38k64077 · Orrick: $76k64089 · Smithville: $101k64116 · Kansas City: $64k64117 · Kansas City: $60k64118 · Kansas City: $75k64119 · Kansas City: $84k64155 · Kansas City: $98k64156 · Kansas City: $130k64157 · Kansas City: $150k64158 · Kansas City: $105k64161 · Kansas City: $53k64165 · Kansas City: –64166 · Kansas City: $163k64167 · Kansas City: $203k64492 · Trimble: $66k64060640776406864062640246408964492640486416164155
The residential ZIP codes of Clay 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 $74,740 and $101,009.

They carry 10 postal town names.

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

All 21 residential ZIP codes in Clay County

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

Residential ZIP codes mainly in Clay County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
64118 Kansas City 41,984 3,286 $75k $225k 99%
64068 Liberty 37,758 445 $92k $285k 100%
64119 Kansas City 33,199 2,289 $84k $230k 100%
64155 Kansas City 28,824 1,974 $98k $301k 100%
64157 Kansas City 23,030 2,135 $150k $386k 100%
64116 Kansas City 18,046 1,665 $64k $241k 100%
64060 Kearney 16,488 281 $113k $357k 100%
64024 Excelsior Springs 15,574 221 $78k $198k 63%
64117 Kansas City 14,919 2,470 $60k $187k 100%
64089 Smithville 14,380 236 $101k $327k 73%
64156 Kansas City 7,946 734 $130k $411k 100%
64158 Kansas City 7,317 3,187 $105k $372k 100%
64048 Holt 4,387 96 $103k $338k 63%
64161 Kansas City 292 18 $53k $144k 100%
64166 Kansas City 270 55 $163k $444k 100%
64167 Kansas City 243 140 $203k $391k 100%
64165 Kansas City 212 53 – – 100%
64072 Missouri City 205 186 $38k $94k 100%

Partly in Clay County

Residential ZIP codes mainly in another county that reach at least 1% into Clay County, by their share here
In this county
64492 Trimble 1,713 48 $66k $226k 22%
64062 Lawson 6,968 81 $92k $274k 13%
64077 Orrick 1,665 24 $76k $171k 10%

Download the 25 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 Clay County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Clay County and in the neighboring counties
ZIPIn ClayElsewhere
6411899%Platte County 1%
6402463%Ray County 37%
6408973%Platte County 27%
6406213%Ray County 73%; Clinton County 11%; Caldwell County 2%
6404863%Clinton County 37%
6449222%Clinton County 72%; Platte County 6%
6407710%Ray County 90%

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

PO Box and single-organization ZIP codes

ZIP codes in Clay County without a residential area (GeoNames postal codes)
ZIPPostal name
64069Liberty
64073Mosby
64144Kansas City
64162Kansas City

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Clay County's ZIP codes use 3 prefixes: 640, 641 and 644.

Three-digit prefixes of Clay 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 Clay County's
PrefixSectional centerHereAll codes
640 Kansas City, MO (SCF 640) 10 68
641 Kansas City, MO (SCF 640) 14 71
644 Kansas City, MO (SCF 640) 1 70

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