| ZIP Codes: | 13 ZIP Codes (10 Standard, 2 PO Box, 1 Unique) [See All] |
| Area Codes: | 410 / 443 / 667 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:29 PM |
| Population: | 46,986 [See All] |
| FIPS: | 24035 |
| CBSA: | Baltimore-Columbia-Towson, MD |
| Land Area: | 350 sq mi |
| Water Area: | 43 sq mi |
| Coordinates: | 39.0697, -76.0376 |
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46,986 residents live across 13 ZIPs covering 350 sq mi, served by 13 distinct USPS-recognized cities.
Population moved from 43,265 to 46,986 from 2014 to 2024 — a +8.6% change. 7 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 21638 (Grasonville, $140,086 median) and poorest ZIP 21623 (Church Hill, $78,345) are 17.6 miles apart — a 1.8× income gap across local geography.
Median home values vary 3.6× across this county — from $160,200 in 21628 (Crumpton) to $569,200 in 21638 (Grasonville).
Density varies 14× across the county — from 41 people/sq mi in 21607 (Barclay) to 586 in 21666 (Stevensville).
Educational attainment ranges from 14.0% bachelor's+ in 21607 (Barclay) to 46.7% in 21638 (Grasonville) — the breadth of educational profiles across the area.
Within Maryland, this is the #18 most populous of 24 counties and ranks #11 for median household income with the #4 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 21690Usa Fulfillment .
Weighted by population, the typical household earns about $116,802 across the county — reflecting what a typical resident sees, not a simple ZIP average.
38.2% of adults age 25+ hold a bachelor's degree or higher (12,978 of 33,972 reporting).
10 Standard delivery, 2 PO Box only, 1 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 21666 | Stevensville | Standard | 14,394 | $123,645 | 24.6 | 19.7% |
| 21617 | Centreville | Standard | 10,428 | $116,898 | 121.2 | 2.8% |
| 21619 | Chester | Standard | 6,152 | $107,639 | 14.3 | 6.9% |
| 21638 | Grasonville | Standard | 5,420 | $140,086 | 14.0 | 9.3% |
| 21658 | Queenstown | Standard | 3,632 | $128,274 | 46.8 | -6.7% |
| 21623 | Church Hill | Standard | 2,669 | $78,345 | 37.0 | 17.5% |
| 21668 | Sudlersville | Standard | 2,011 | $78,672 | 43.1 | 6.9% |
| 21657 | Queen Anne | Standard | 1,354 | $104,940 | 29.9 | 44.2% |
| 21607 | Barclay | Standard | 597 | $91,250 | 14.5 | -7.3% |
| 21628 | Crumpton | PO Box | 248 | $115,417 | 1.0 | -58.1% |
| 21644 | Ingleside | Standard | 81 | — | 3.6 | -50.3% |
| 21690 | Chestertown | Unique | — | — | 0.0 | — |
| 21656 | Price | PO Box | — | — | 0.0 | — |