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zipcodes.pro — CITY/KY/NEW-CASTLE

New Castle ZIP code, Kentucky

The ZIP code for New Castle, KY is 40050, and its area code is 502.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
1,052
Area code
502

NANPA lists no telephone rate centre for New Castle itself, so these are the area codes of the nearest one, Port Royal (1.7 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to New Castle uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

New Castle in numbers

About 1,052 people live in New Castle, in 432 households. The median household income is $43,203 a year, 32% below the Kentucky median of $63,726 (US: $80,734). The median owner-occupied home is valued at $154,000 (25% below the Kentucky median), and median gross rent is $764 a month. The median age is 41.1; 17.8% of adults 25 and over hold a bachelor's degree or higher (27.6% across Kentucky); the average commute takes 28 minutes.

Population1,052New Castle1,052
Households432New Castle432
Median age41.1New Castle41.1Kentucky39.1US 38.9
Median household income$43,203New Castle$43,203Kentucky$63,726US $80,734
Median home value$154,000New Castle$154,000Kentucky$205,600US $332,700
Median gross rent$764New Castle$764Kentucky$967US $1,413
Bachelor's degree or higher17.8%New Castle17.8%Kentucky27.6%US 35.7%
Mean commute27.5 minNew Castle27.5 minKentucky24.0 minUS 26.4 min
Population density2,566 / sq miNew Castle2,566 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place New Castle city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as New Castle

ZIP codes with the USPS city name New Castle
ZIP City Type Population Median income Median home
40050 New Castle , KY Standard 2,045 $44,688 $127,300

Other ZIP codes overlapping New Castle

These ZIP codes cover part of New Castle but are addressed as somewhere else.

ZIP codes overlapping New Castle
ZIP City Type Population Median income Median home
40058 Port Royal , KY Standard 37 $66,635 $212,500

Map of New Castle ZIP codes

40050

The ZIP codes of New Castle, KY, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near New Castle

The nearest larger towns are Eminence (2,724 people, 4.8 mi), Pleasureville (1,123 people, 6.5 mi) and La Grange (10,311 people, 12 mi).

Towns near New Castle
TownPopulationDistance
Eminence 2,724 4.8 mi
La Grange 10,311 11.5 mi
Buckner 4,119 15.6 mi
Shelbyville 17,668 15.9 mi
Carrollton 3,915 17.0 mi
Crestwood 6,356 17.8 mi
Simpsonville 3,062 17.9 mi
Anchorage 2,506 22.9 mi
Middletown 9,763 23.2 mi
Frankfort 28,503 23.3 mi
Prospect 4,542 24.6 mi
Hanover, IN 3,554 24.8 mi
Douglass Hills 5,474 24.9 mi
Lyndon 11,030 25.6 mi

More nearby: every ZIP code in Henry County · Kentucky ZIP codes

Cite this page

zipcodes.pro. “New Castle, KY ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ky/new-castle

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