Glyndon, MD · standard
ZIP Code 21071
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 497
- 194/sq mi High-density area
- $213,500
- Median income Above-median income area
- $450,500
- Median home value Above-median home value
- 83.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Glyndon pairs a top-decile household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 1%
- household income, US ZIPs
- Top 16%
- home value, US ZIPs
- 194
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21071 against every reporting US ZIP.
ZIP code 21071 is a sparsely populated ZIP (a standard USPS delivery area) in Glyndon, Baltimore County, Maryland, home to just 497 residents across 2.6 square miles, a density of 194 people per square mile, in the New York time zone.
ZIP 21071 skews affluent, with a median household income of $213,500 (87% above the average Maryland ZIP), while per-capita income is $64,007. Both reported hardship measures are comparatively low in absolute terms: poverty is 4.2% and unemployment is 0.0%. Median home value is $450,500 (1% above the average Maryland ZIP); 100.0% of occupied homes are owner-occupied.
This is a highly-educated ZIP: 83.3% of adults hold a bachelor's degree or higher, the median age is 33, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Baltimore County, so 21071 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 21071
Top 5 sectors by establishment count in Glyndon, MD
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$64,007
Per Capita Income
4.2%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 21071 ranks among Maryland ZIPs
Glyndon, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$213,500 Top 5% higher than 95% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
130housing units
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 ZIP avg
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 21071 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21117
Owings Mills (21117)
53,778 residents
- 21244
Windsor Mill (21244)
34,611 residents
- 21208
Pikesville (21208)
33,917 residents
- 21136
Reisterstown (21136)
33,781 residents
- 21133
Randallstown (21133)
29,998 residents
- 21030
Cockeysville (21030)
24,355 residents
- 21074 15,084
Hampstead (21074)
15,084 residents
- 21048 10,650
Finksburg (21048)
10,650 residents
- 21155 2,371
Upperco (21155)
2,371 residents
What this shows Among its immediate neighbors, ZIP 21071 ranks #0 by population - useful context the national average alone can't give.
ZIP 21071 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21153
Stevenson (21153)
$220,179 median income
- 21071
Glyndon (21071)
$213,500 median income
- 21048
Finksburg (21048)
$131,921 median income
- 21155
Upperco (21155)
$123,158 median income
- 21136
Reisterstown (21136)
$118,500 median income
- 21074
Hampstead (21074)
$108,536 median income
- 21117
Owings Mills (21117)
$101,831 median income
- 21208
Pikesville (21208)
$90,131 median income
- 21030
Cockeysville (21030)
$89,015 median income
What this shows By household income, ZIP 21071 ranks #2 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21071, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Baltimore County
Related Areas
Frequently Asked Questions
What county is ZIP code 21071 in?
ZIP code 21071 (Glyndon) is located in Baltimore County, Maryland. Baltimore County contains multiple ZIP codes, see the full list at /counties/baltimore-md-24005.
What is the population of ZIP code 21071?
ZIP code 21071 in Glyndon, MD has a population of 497 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21071?
The median household income in ZIP 21071 is $213,500, which is 180% above the national average of $76,288.
What is the average home value in ZIP 21071?
The median home value in ZIP 21071 is $450,500, which is 62% above the national average of $278,155.
What is the demographic makeup of ZIP 21071?
The largest racial group in ZIP 21071 is White at 92.8%.
How many businesses are in ZIP code 21071?
ZIP code 21071 has 32 business establishments employing approximately 606 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21071?
The top industries by establishment count in ZIP 21071 are: Retail trade (5), Professional, scientific, and technical services (4), Health care and social assistance (4). There are 7 industry sectors represented in total.
What is the education level in ZIP code 21071?
In ZIP code 21071, 94.8% of residents aged 25+ have a high school diploma or higher, and 83.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 21071?
The poverty rate in ZIP code 21071 is 4.2% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 21071's numbers, next.
- See how ZIP 21071 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Glyndon, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.