ZIP code 21102
Where is ZIP code 21102?
Manchester, Maryland
Carroll County · Standard ZIP code
ZIP code 21102 belongs to Manchester, Maryland in Carroll County. 21102 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 223, 410, 443, 667 and 717. About 12,162 people live in the 21102 area, where the median household income is $135,069. The closest ZIP codes are 21088 (Lineboro, 4 mi northeast), 21074 (Hampstead, 4.4 mi south) and 17329 (Glenville, 7.1 mi northeast).
| ZIP code | 21102 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Manchester |
| Also accepted | Lineboro, Millers |
| State | Maryland (MD) |
| County | Carroll County |
| Time zone | Eastern Time · now |
| Area codes | 223, 410, 443, 667, 717 |
| Coordinates | 39.6747, -76.8941 map |
| 3-digit prefix | 211 |
Population and income in 21102
| Population | 12,162 · higher than 64% of Maryland ZIP codes |
|---|---|
| People per square mile | 299 · lower than 55% of Maryland ZIP codes |
| Median age | 44.5 years · higher than 65% of Maryland ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $135,069 · higher than 72% of Maryland ZIP codes |
| Income per person | $54,845 |
| Below the poverty line | 3.4% |
| Bachelor’s degree or higher | 35% of adults 25+ |
| Median home value | $392,800 · lower than 55% of Maryland ZIP codes |
| Median rent | $1,484 a month |
| Housing units | 4,511 |
| Households | 4,413 (2.73 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 40.64 sq mi (plus 0.64 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 21102. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 21102
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 21088 | Lineboro, MD | 4 mi NE | PO Box only |
| 21074 | Hampstead, MD | 4.4 mi S | Standard |
| 17329 | Glenville, PA | 7.1 mi NE | Standard |
| 21158 | Westminster, MD | 8.6 mi SW | Standard |
| 21157 | Westminster, MD | 8.9 mi SW | Standard |
| 21155 | Upperco, MD | 9 mi SE | Standard |
| 21053 | Freeland, MD | 9.2 mi E | Standard |
| 17331 | Hanover, PA | 9.5 mi NW | Standard |
| 17332 | Hanover, PA | 9.9 mi NW | Unique |
| 17333 | Hanover, PA | 9.9 mi NW | Unique |
| 17334 | Hanover, PA | 9.9 mi NW | Unique |
| 17335 | Hanover, PA | 10 mi NW | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 21102 or measure the distance to another ZIP code.
How to address mail to 21102
123 MAIN ST
MANCHESTER MD 21102
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LINEBORO and MILLERS as the city name for 21102. Adding the 4-digit ZIP+4 code (21102-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 21102?
- 21102 is a Manchester, Maryland ZIP code. Lineboro and Millers are also accepted as the city name.
- What county is 21102 in?
- ZIP code 21102 is in Carroll County, Maryland.
- What time zone is ZIP code 21102 in?
- 21102 is in the Eastern Time zone (America/New_York).
- What area code is 21102?
- Phone numbers in ZIP code 21102 use area codes 223, 410, 443, 667 and 717.
- What is the population of ZIP code 21102?
- About 12,162 people live in ZIP code 21102, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 21102?
- The median household income in 21102 is $135,069 a year, higher than 72% of Maryland ZIP codes.
- What ZIP codes are near 21102?
- The nearest ZIP codes to 21102 are 21088 (Lineboro, 4 miles), 21074 (Hampstead, 4.4 miles), 17329 (Glenville, 7.1 miles) and 21158 (Westminster, 8.6 miles).