21071 ZIP Code, Glyndon, MD
21071 is a ZIP code in Glyndon, Maryland in Baltimore County. It covers 1.5 square miles of land. The closest ZIP codes are 21136, 21117 and 21023. 404 people live here in 130 households, fewer than in most Maryland ZIP codes. With about 269 people per square mile it is lightly settled, and most homes are owner-occupied (100%). Median household income is $213,500, well above the Maryland median of $103,678; 34% of residents moved in during the past year.
Quick facts
- Mailing city: Glyndon, MD
- County: Baltimore County
- Land area: 1.5 sq mi
- Population: 404
- Median household income: $213,500
Key figures
| Measure | Value |
|---|---|
| Residents | 404 |
| Households | 130 |
| Median household income | $213,500 |
| Income per person | $64,007 |
| Median age | 33 |
| Homeowners | 100.0% |
| Median home value | $450,500 |
| Median rent | not published |
| Bachelor's degree or higher | 83.3% |
| Average commute (minutes) | not published |
| Households with kids under 18 | 30.0% |
| Moved in the past year | 34.0% |
| Below the poverty line | 4.2% |
| Broadband internet | 100.0% |
| Speak a non-English language at home | 0.0% |
Household income
| % of households | Value |
|---|---|
| <$10K | 0.0% |
| $10–15K | 0.0% |
| $15–25K | 0.0% |
| $25–35K | 0.0% |
| $35–50K | 11.5% |
| $50–75K | 0.0% |
| $75–100K | 0.0% |
| $100–150K | 33.8% |
| $150–200K | 0.0% |
| $200K+ | 54.6% |
Age
| % of all residents | Value |
|---|---|
| <10 | 26.5% |
| 10–19 | 2.2% |
| 20–24 | 0.0% |
| 25–34 | 26.2% |
| 35–44 | 2.2% |
| 45–54 | 6.9% |
| 55–64 | 18.1% |
| 65–74 | 3.7% |
| 75+ | 14.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 76.9% |
| Owned outright | 23.1% |
| Rented | 0.0% |
| Vacant | 0.0% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 100.0% |
| Townhome | 0.0% |
| 2–4 units | 0.0% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 0.0% |
Businesses in 21071
32 business establishments with 606 employees (ZIP Codes Business Patterns 2023).
- Retail Trade: 5
- Professional, Scientific, and Technical Services: 4
- Health Care and Social Assistance: 4
- Other Services (except Public Administration): 4
- Construction: 3
- Administrative and Support and Waste Management and Remediation Services: 3
- Accommodation and Food Services: 3
EDDM carrier routes
See every USPS carrier route in 21071 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 21136 — Reisterstown CDP, MD (3.6 mi)
- 21117 — Owings Mills CDP, MD (4.3 mi)
- 21023 (4.6 mi)
- 21048 — Eldersburg CDP, MD (6.2 mi)
- 21155 (6.2 mi)
- 21030 — Cockeysville CDP, MD (6.3 mi)
- 21133 — Randallstown CDP, MD (7.3 mi)
- 21153 — Pikesville CDP, MD (7.4 mi)
Areas that include 21071
- Glyndon, MD ZIP codes — 1 ZIP code
- Baltimore County ZIP codes — 54 ZIP codes
- Maryland ZIP code data
Mail every home in 21071
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) 21071, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 21071 in?
- 21071 is a Glyndon, MD mailing address. None of its land lies inside a Census-defined city or community.
- What county is 21071 in?
- 21071 is in Baltimore County.
- What is the population of 21071?
- About 404 people (±325), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 619.
- What is the median household income in 21071?
- $213,500 (±$146,942), 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 21071?
- EDDM2GO's stored route library does not include 21071 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 21071?
- The closest, measured center to center: 21136 (3.6 mi, Reisterstown), 21117 (4.3 mi, Owings Mills), 21023 (4.6 mi), 21048 (6.2 mi, Eldersburg), 21155 (6.2 mi) and 21030 (6.3 mi, Cockeysville).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.