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County ZIP codes · Iowa · FIPS 19117

Lucas County, IA ZIP Codes

Lucas County, Iowa has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 5 of the residential ones lie mainly in Lucas County and 4 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $61,190 in 50049 (Chariton) to $72,400 in 50139 (Lacona) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Lucas County?

50049 · Chariton: $61k50068 · Derby: $37k50123 · Humeston: $63k50139 · Lacona: $72k50151 · Lucas: $91k50238 · Russell: $60k50272 · Williamson: $45k50275 · Woodburn: $72k52569 · Melrose: $52k500495256950238501395012350151502755006850049 · Chariton: $61k50068 · Derby: $37k50123 · Humeston: $63k50139 · Lacona: $72k50151 · Lucas: $91k50238 · Russell: $60k50272 · Williamson: $45k50275 · Woodburn: $72k52569 · Melrose: $52k500495256950238501395012350151502755006850049 · Chariton: $61k50068 · Derby: $37k50123 · Humeston: $63k50139 · Lacona: $72k50151 · Lucas: $91k50238 · Russell: $60k50272 · Williamson: $45k50275 · Woodburn: $72k52569 · Melrose: $52k5004952569502385013950123501515027550068
The residential ZIP codes of Lucas 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 9 postal town names.

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

All 9 residential ZIP codes in Lucas County

5 ZIP codes lie mainly in Lucas County; 4 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Lucas County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
50049 Chariton 6,414 31 $61k $125k 97%
50238 Russell 1,195 12 $60k $83k 78%
50151 Lucas 727 9 $91k $149k 91%
50068 Derby 215 5 $37k $113k 91%
50272 Williamson 190 523 $45k – 100%

Partly in Lucas County

Residential ZIP codes mainly in another county that reach at least 1% into Lucas County, by their share here
In this county
50139 Lacona 1,025 12 $72k $152k 22%
50123 Humeston 883 11 $63k $115k 11%
52569 Melrose 550 5 $52k $84k 6%
50275 Woodburn 506 9 $72k $122k 5%

Download the 9 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?

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

Share of each ZIP code's land in Lucas County and in the neighboring counties
ZIPIn LucasElsewhere
5004997%Wayne County 2%
5023878%Wayne County 22%
5013922%Warren County 53%; Marion County 25%
5012311%Wayne County 80%; Decatur County 7%; Clarke County 2%
5015191%Warren County 9%
525696%Monroe County 83%; Wayne County 6%; Appanoose County 5%
502755%Clarke County 95%
5006891%Wayne County 9%

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

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lucas County's ZIP codes use 4 prefixes: 500, 501, 502 and 525.

Three-digit prefixes of Lucas 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 Lucas County's
PrefixSectional centerHereAll codes
500 Des Moines, IA (SCF 500) 2 68
501 Des Moines, IA (SCF 500) 3 69
502 Des Moines, IA (SCF 500) 3 65
525 Des Moines, IA (SCF 500) 1 50

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