ZIP Code 21071
standardSource:
Glyndon · Baltimore County · Maryland
- Population
- 497
- Median income
- $213,500
- Median home value
- $450,500
- Bachelor's or higher
- 83.3%
- Land area
- 2.6 sq mi
194/sq mi
▲ 180% vs US
higher than 99% of US ZIPs
▲ 62% vs US
higher than 84% of US ZIPs
Median age 33
New York
ZIP code 21071 in Glyndon, Maryland has a population of 497. The median household income is $213,500, which is 180% above the national average. Median home value is $450,500, 62% above the US average. 83.3% of residents hold a bachelor's degree or higher.
ZIP code 21071 is classified by USPS as a standard delivery area and covers roughly 2.6 square miles in Glyndon, Baltimore County, Maryland. The area is home to 497 residents, producing a population density of 194 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 21071 against Maryland and the nation.
On the economic side, the median household income for ZIP 21071 sits at $213,500 (87% above the Maryland average), while per-capita income is $64,007. The poverty rate stands at 4.2% and the unemployment rate at 0.0%. On housing, the median home value is $450,500 (1% above the state average) with median rent at — per month, and 100.0% of occupied units are owner-occupied, a direct signal of whether 21071 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 83.3% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is —. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21071 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 21071
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 21071.
- Retail trade
Retail trade
5 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
4 establishments
- Health care and social assistance
Health care and social assistance
4 establishments
- Other services (except public administration)
Other services (except public administration)
4 establishments
- Construction
Construction
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 21071, Glyndon, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
497
Population
2.6
Area (sq mi)
194
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21071?
33.0
Median Age
43.1%
Male
56.9%
Female
2.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$213,500
Median Household Income
+87% vs state
$64,007
Per Capita Income
4.2%
Poverty Rate
0.0%
Unemployment Rate
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
130
Total Housing Units
130
Occupied Units
0
Vacant Units
3.11
Avg Household Size
Occupancy Type
$450,500
Median Home Value
+1% vs state
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 32 business establishments in ZIP 21071, employing approximately 606 people with a combined annual payroll of $35,119,000.
32
Businesses
606
Employees
$35.1M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 5 | 15.6% |
| Professional, scientific, and technical services | 4 | 12.5% |
| Health care and social assistance | 4 | 12.5% |
| Other services (except public administration) | 4 | 12.5% |
| Construction | 3 | 9.4% |
| Administrative and support and waste management and remediation services | 3 | 9.4% |
| Accommodation and food services | 3 | 9.4% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 21071 vs 21136 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21136 | Reisterstown, MD | 33,781 | 0.5 mi |
| 21117 | Owings Mills, MD | 53,778 | 4.2 mi |
| 21155 | Upperco, MD | 2,371 | 6.2 mi |
| 21133 | Randallstown, MD | 29,998 | 7.4 mi |
| 21048 | Finksburg, MD | 10,650 | 5.4 mi |
| 21030 | Cockeysville, MD | 24,355 | 7.7 mi |
| 21074 | Hampstead, MD | 15,084 | 9.5 mi |
| 21153 | Stevenson, MD | 323 | 7.3 mi |
| 21244 | Windsor Mill, MD | 34,611 | 10.4 mi |
| 21208 | Pikesville, MD | 33,917 | 8.1 mi |
More ZIP Codes in Baltimore County
Related Areas
Frequently Asked Questions
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What are the main industries in ZIP code 21071? ▼
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ZIP Code Research Guides
Official Data Resources for Glyndon, MD
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.