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County ZIP codes · Kentucky · FIPS 21203

Rockcastle County, KY ZIP Codes

Rockcastle County, Kentucky has 8 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 6 residential and 2 for PO boxes or a single organization. 4 of the residential ones lie mainly in Rockcastle County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $46,907 in 40456 (Mount Vernon) to $61,771 in 40403 (Berea) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Rockcastle County?

40403 · Berea: $62k40409 · Brodhead: $53k40419 · Crab Orchard: $57k40445 · Livingston: $39k40456 · Mount Vernon: $47k40460 · Orlando: $35k40456404034041940445404094046040403 · Berea: $62k40409 · Brodhead: $53k40419 · Crab Orchard: $57k40445 · Livingston: $39k40456 · Mount Vernon: $47k40460 · Orlando: $35k40456404034041940445404094046040403 · Berea: $62k40409 · Brodhead: $53k40419 · Crab Orchard: $57k40445 · Livingston: $39k40456 · Mount Vernon: $47k40460 · Orlando: $35k404564040340419404454040940460
The residential ZIP codes of Rockcastle 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 $46,907 and $56,549.

They carry 6 postal town names: Berea, Mount Vernon, Crab Orchard, Brodhead, Orlando, Livingston.

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

All 6 residential ZIP codes in Rockcastle County

4 ZIP codes lie mainly in Rockcastle County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Rockcastle County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
40456 Mount Vernon 8,370 51 $47k $156k 100%
40409 Brodhead 3,445 77 $53k $124k 94%
40460 Orlando 1,358 41 $35k $69k 100%
40445 Livingston 755 15 $39k $83k 100%

Partly in Rockcastle County

Residential ZIP codes mainly in another county that reach at least 1% into Rockcastle County, by their share here
In this county
40419 Crab Orchard 5,250 55 $57k $124k 18%
40403 Berea 27,607 249 $62k $200k 9%

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?

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

Share of each ZIP code's land in Rockcastle County and in the neighboring counties
ZIPIn RockcastleElsewhere
404039%Madison County 76%; Garrard County 14%
4041918%Lincoln County 56%; Garrard County 21%; Pulaski County 5%
4040994%Lincoln County 3%; Pulaski County 2%

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

PO Box and single-organization ZIP codes

ZIP codes in Rockcastle County without a residential area (GeoNames postal codes)
ZIPPostal name
40473Renfro Valley
40492Wildie

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Rockcastle County starts with 404.

Three-digit prefixes of Rockcastle 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 Rockcastle County's
PrefixSectional centerHereAll codes
404 Lexington, KY (SCF 403) 8 33

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