Kent County, MD ZIP Codes
9 ZIP codes cover all or part of Kent County, Maryland. The Census Bureau counts 19,346 residents in the county, with a median household income of $80,147 and a median home value of $330,900. Median household income ranges from $71,023 in 21678 to $101,618 in 21635. Its largest communities include Chestertown, Kingstown, Rock Hall, Galena and Butlertown.
Kent County (Census county figures)
| Measure | Census figure |
|---|---|
| Residents | 19,346 |
| Households | 8,493 |
| Median household income | $80,147 |
| Median home value | $330,900 |
| Median age | 48.6 |
| Median rent | $1,209 |
All 9 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 24,362 |
| Households (sum of ZIP codes) | 10,470 |
| Median household income, range across ZIP codes | $71,023 (21678) to $101,618 (21635) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $82,573 |
| Homeowners | 76.0% |
| Households with kids under 18 | 22.0% |
| Moved in the past year | 12.4% |
| Carrier routes in EDDM2GO's route library | 28 routes, 11,150 homes (9 of 9 ZIP codes) |
Top facts
- Highest median household income in Kent County: 21635 ($101,618)
- Most residents: 21620 (13,810 people)
- Highest homeownership: 21678 (91.6% own their home)
- Most households with kids: 21651 (36.0% of households)
- Most new movers: 21620 (16.6% moved in last year)
- Youngest median age: 21651 (34.4 years)
- Highest median home value: 21635 ($402,000)
Every ZIP code in Kent County
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 21620 | Chestertown | 13,810 | 5,700 | $80,530 | $347,500 | 72.0% | 24.3% | 16.6% | 13 | 6,471 | 74% of its land |
| 21661 | Rock Hall | 2,613 | 1,311 | $90,492 | $283,200 | 74.8% | 13.5% | 11.4% | 3 | 1,429 | 100% of its land |
| 21651 | Millington | 2,290 | 884 | $74,063 | $326,800 | 77.8% | 36.0% | 3.4% | 2 | 1,016 | 71% of its land |
| 21635 | Galena | 2,085 | 940 | $101,618 | $402,000 | 81.8% | 19.9% | 4.6% | 3 | 970 | 100% of its land |
| 21678 | Worton | 1,658 | 789 | $71,023 | $319,000 | 91.6% | 17.4% | 9.2% | 3 | 1,007 | 100% of its land |
| 21645 | Kennedyville | 959 | 479 | $86,118 | $297,900 | 78.7% | 6.5% | 5.9% | 1 | 527 | 100% of its land |
| 21610 | Betterton | 391 | 132 | $86,250 | $226,700 | 81.8% | 30.3% | 7.3% | 1 | 153 | 100% of its land |
| 21667 | Still Pond | 291 | 160 | $64,122 | $205,600 | 86.3% | 6.9% | 4.1% | 1 | 119 | 100% of its land |
| 21650 | Massey | 265 | 75 | — | $317,300 | 100.0% | 16.0% | 3.7% | 1 | 97 | 100% of its land |
A ZIP code is listed for Kent County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.
Cities and communities
- Chestertown — 5,594 residents · 1 ZIP code
- Kingstown — 1,713 residents · 1 ZIP code
- Rock Hall — 1,215 residents · 1 ZIP code
- Galena — 728 residents · 1 ZIP code
- Butlertown — 511 residents · 1 ZIP code
- Chesapeake Landing — 509 residents · 1 ZIP code
- Millington — 469 residents · 1 ZIP code
- Betterton — 391 residents · 1 ZIP code
- Tolchester — 379 residents · 1 ZIP code
- Fairlee — 299 residents · 1 ZIP code
- Kennedyville — 205 residents · 1 ZIP code
- Worton — 126 residents · 1 ZIP code
- Still Pond — 102 residents · 1 ZIP code
- Edesville — 34 residents · 1 ZIP code
- Georgetown — 8 residents · 2 ZIP codes
Rankings
- Richest ZIP codes in Kent County — 5 ZIP codes ranked
- ZIP codes with the highest home values in Kent County — 5 ZIP codes ranked
- ZIP codes with the highest homeownership in Kent County — 5 ZIP codes ranked
- ZIP codes with the most families with kids in Kent County — 5 ZIP codes ranked
- ZIP codes with the most new movers in Kent County — 5 ZIP codes ranked
- Youngest ZIP codes in Kent County — 5 ZIP codes ranked
- Oldest ZIP codes in Kent County — 5 ZIP codes ranked
- Fastest-growing ZIP codes in Kent County — 5 ZIP codes ranked
Price a mailing to Kent County ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Kent County, MD?
- 21620, 21661, 21651, 21635, 21678, 21645, 21610, 21667 and 21650. Some cross the county line; the table shows each ZIP's share of land in the county.
- What is the population of Kent County?
- 19,346 residents in 8,493 households (ACS 5-year estimates, 2020–2024).
- What is the median household income in Kent County?
- $80,147 for the county as a whole. Its ZIP codes range from $71,023 (21678) to $101,618 (21635).
- Which Kent County ZIP code has the highest median household income?
- 21635, at $101,618, among ZIP codes with at least 1,000 residents. See the full ranking of Kent County ZIP codes by income.
- How many carrier routes and mailboxes are in Kent County?
- For the 9 of 9 ZIP codes in EDDM2GO's stored route library: 28 carrier routes reaching 11,150 residential and 637 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.