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County ZIP codes · Maryland · FIPS 24029

Kent County, MD ZIP Codes

Kent County, Maryland has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones extend into a neighboring county. Median household income ranges from $71,023 in 21678 (Worton) to $101,618 in 21635 (Galena) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Kent County?

21610 · Betterton: $86k21620 · Chestertown: $81k21635 · Galena: $102k21645 · Kennedyville: $86k21650 · Massey: –21651 · Millington: $74k21661 · Rock Hall: $91k21667 · Still Pond: $64k21678 · Worton: $71k216202165121661216782164521635216502166721610 · Betterton: $86k21620 · Chestertown: $81k21635 · Galena: $102k21645 · Kennedyville: $86k21650 · Massey: –21651 · Millington: $74k21661 · Rock Hall: $91k21667 · Still Pond: $64k21678 · Worton: $71k2162021651216612167821645216352166721610 · Betterton: $86k21620 · Chestertown: $81k21635 · Galena: $102k21645 · Kennedyville: $86k21650 · Massey: –21651 · Millington: $74k21661 · Rock Hall: $91k21667 · Still Pond: $64k21678 · Worton: $71k216202165121661216782164521635
The residential ZIP codes of Kent 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 $74,063 and $90,492.

They carry 9 postal town names.

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

All 9 residential ZIP codes in Kent County

Residential ZIP codes mainly in Kent County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
21620 Chestertown 13,810 116 $81k $348k 74%
21661 Rock Hall 2,613 79 $91k $283k 100%
21651 Millington 2,290 56 $74k $327k 71%
21635 Galena 2,085 68 $102k $402k 100%
21678 Worton 1,658 45 $71k $319k 100%
21645 Kennedyville 959 23 $86k $298k 100%
21610 Betterton 391 367 $86k $227k 100%
21667 Still Pond 291 42 $64k $206k 100%
21650 Massey 265 27 – $317k 100%

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?

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

Share of each ZIP code's land in Kent County and in the neighboring counties
ZIPIn KentElsewhere
2162074%Queen Anne's County 26%
2165171%Queen Anne's County 29%

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

Which first three digits do Kent 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 Kent County starts with 216.

Three-digit prefixes of Kent 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 Kent County's
PrefixSectional centerHereAll codes
216 Eastern Shore, MD (SCF 216) 9 62

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