21703 ZIP Code, Frederick, MD
21703 is a ZIP code in Frederick, Maryland in Frederick County. It covers 32 square miles of land. The closest ZIP codes are 21717, 21714 and 21705. 41,960 people live here in 15,517 households, more than in 9 of every 10 Maryland ZIP codes. At about 1,310 people per square mile it has suburban density, and owners and renters are mixed (67% own). Median household income is $106,334, close to the Maryland median of $103,678; 42% of households have children under 18.
Quick facts
- Mailing city: Frederick, MD
- County: Frederick County
- Land area: 32 sq mi
- Population: 41,960
- Median household income: $106,334
Key figures
| Measure | Value |
|---|---|
| Residents | 41,960 |
| Households | 15,517 |
| Median household income | $106,334 |
| Income per person | $45,809 |
| Median age | 34.6 |
| Homeowners | 66.5% |
| Median home value | $384,600 |
| Median rent | $1,991 |
| Bachelor's degree or higher | 43.0% |
| Average commute (minutes) | 33.5 |
| Households with kids under 18 | 42.1% |
| Moved in the past year | 13.1% |
| Below the poverty line | 8.6% |
| Broadband internet | 94.0% |
| Speak a non-English language at home | 26.3% |
Household income
| % of households | Value |
|---|---|
| <$10K | 2.3% |
| $10–15K | 2.7% |
| $15–25K | 3.4% |
| $25–35K | 6.1% |
| $35–50K | 6.9% |
| $50–75K | 13.6% |
| $75–100K | 11.9% |
| $100–150K | 21.9% |
| $150–200K | 17.1% |
| $200K+ | 14.2% |
Age
| % of all residents | Value |
|---|---|
| <10 | 15.3% |
| 10–19 | 12.8% |
| 20–24 | 6.1% |
| 25–34 | 16.4% |
| 35–44 | 15.6% |
| 45–54 | 11.3% |
| 55–64 | 11.4% |
| 65–74 | 7.0% |
| 75+ | 4.0% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 51.4% |
| Owned outright | 13.1% |
| Rented | 32.1% |
| Vacant | 3.4% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 33.2% |
| Townhome | 40.4% |
| 2–4 units | 2.4% |
| 5–19 units | 18.5% |
| 20+ units | 4.6% |
| Mobile / other | 0.9% |
Businesses in 21703
900 business establishments with 18,318 employees (ZIP Codes Business Patterns 2023).
- Professional, Scientific, and Technical Services: 118
- Retail Trade: 99
- Health Care and Social Assistance: 98
- Construction: 96
- Other Services (except Public Administration): 79
- Accommodation and Food Services: 75
- Administrative and Support and Waste Management and Remediation Services: 72
- Wholesale Trade: 51
EDDM carrier routes
See every USPS carrier route in 21703 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 21717 — Buckeystown CDP, MD (3 mi)
- 21714 — Braddock Heights CDP, MD (3.6 mi)
- 21705 — Frederick city, MD (4.5 mi)
- 21710 — Adamstown CDP, MD (4.6 mi)
- 21755 — Jefferson CDP, MD (5.1 mi)
- 21704 — Urbana CDP, MD (5.3 mi)
- 21777 — Point of Rocks CDP, MD (6.7 mi)
- 21769 — Middletown town, MD (7.3 mi)
Areas that include 21703
- Frederick, MD ZIP codes — 5 ZIP codes
- Ballenger Creek, MD ZIP codes — 2 ZIP codes
- Braddock Heights, MD ZIP codes — 3 ZIP codes
- Frederick County ZIP codes — 33 ZIP codes
- Maryland ZIP code data
Where it ranks
- No. 4 of 26: highest share of households with children in Frederick County
- No. 4 of 26: highest share of residents who moved in during the past year in Frederick County
- No. 2 of 26: lowest median age in Frederick County
Mail every home in 21703
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 21703, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 21703 in?
- 21703 is a Frederick, MD mailing address. By land area, 21% lies inside Ballenger Creek, 11% lies inside Braddock Heights and 7% lies inside Frederick; the rest is outside any Census-defined city or community.
- What county is 21703 in?
- 21703 is in Frederick County.
- What is the population of 21703?
- About 41,960 people (±1,889), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 41,138.
- What is the median household income in 21703?
- $106,334 (±$6,623), compared with $103,678 for Maryland as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 21703?
- EDDM2GO's stored route library does not include 21703 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 21703?
- The closest, measured center to center: 21717 (3 mi, Buckeystown), 21714 (3.6 mi, Braddock Heights), 21705 (4.5 mi, Frederick), 21710 (4.6 mi, Adamstown), 21755 (5.1 mi, Jefferson) and 21704 (5.3 mi, Urbana).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.