Baltimore, MD · standard
ZIP Code 21239
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 28,793
- 3,437/sq mi
- $62,650
- Median income
- $207,400
- Median home value
- 32.7%
- Bachelor's or higher
The verdict
Baltimore pairs a below-median household income with below-median home values, in a suburban-density, mixed-tenure area.
- 34th pct
- household income, US ZIPs
- 45th pct
- home value, US ZIPs
- 3,437
- people per sq mi
- 55%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21239 against every reporting US ZIP.
ZIP code 21239 is a densely settled ZIP (a standard USPS delivery area) in Baltimore, Baltimore County, Maryland, with 28,793 residents across 8.4 square miles, a density of 3,437 people per square mile, in the New York time zone.
ZIP 21239 reports a modest median household income of $62,650 (45% below the Maryland average), while per-capita income is $39,801. Local economic indicators show a 11.2% poverty rate alongside 4.1% unemployment. Housing costs here run $207,400 for a typical home value (54% below the state average), with rent averaging $1,367 a month; 55.2% of homes are owner-occupied.
A solid share of residents have a four-year degree: 32.7% of adults hold a bachelor's degree or higher, the median age is 37.1, and the average commute is 27 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 21239, plus 6 more within Baltimore County, give a clearer read than the national average alone.
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 21239
Top 5 sectors by establishment count in Baltimore, MD
Which industries have the most business establishments in ZIP 21239.
- Health care and social assistance
Health care and social assistance
64 establishments
- Retail trade 21
Retail trade
21 establishments
- Other services (except public administration) 21
Other services (except public administration)
21 establishments
- Construction 15
Construction
15 establishments
- Accommodation and food services 15
Accommodation and food services
15 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 21239, Baltimore, 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
28,793
Population
8.4
Area (sq mi)
3,437
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21239?
37.1
Median Age
40.3%
Male
59.7%
Female
9.3%
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?
$62,650
Median Household Income
-45% vs state
$39,801
Per Capita Income
11.2%
Poverty Rate
4.1%
Unemployment Rate
27.1 min
Mean Commute Time
How ZIP 21239 ranks nationally
Baltimore, MD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$62,650 34th percentile higher than 34% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US 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?
12,755
Total Housing Units
12,080
Occupied Units
675
Vacant Units
2.22
Avg Household Size
Occupancy Type
$207,400
Median Home Value
-54% vs state
$1,367
Median Rent
1956
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+12.0%
YoY Change (2024)
284
HPI Index (2000 = 100)
+184%
Total Change Since 2000
Home values in ZIP 21239 have increased 12.0% over the past year (2024). Since 2000, this ZIP has seen +184% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.9% | 197 |
| 2021 | +9.8% | 217 |
| 2022 | +12.9% | 245 |
| 2023 | +3.7% | 254 |
| 2024 | +12.0% | 284 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 199 business establishments in ZIP 21239, employing approximately 5,093 people with a combined annual payroll of $429,820,000.
199
Businesses
5,093
Employees
$429.8M
Annual Payroll
12
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 64 | 32.2% |
| Retail trade | 21 | 10.6% |
| Other services (except public administration) | 21 | 10.6% |
| Construction | 15 | 7.5% |
| Accommodation and food services | 15 | 7.5% |
| Professional, scientific, and technical services | 14 | 7.0% |
| Administrative and support and waste management and remediation services | 14 | 7.0% |
| Real estate and rental and leasing | 11 | 5.5% |
| Transportation and warehousing | 8 | 4.0% |
| Arts, entertainment, and recreation | 5 | 2.5% |
| Finance and insurance | 3 | 1.5% |
| Educational services | 3 | 1.5% |
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 21239 vs 21251 →
ZIP 21239 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21234
Parkville (21234)
69,752 residents
- 21206
Baltimore (21206)
50,846 residents
- 21218
Baltimore (21218)
49,796 residents
- 21213
Baltimore (21213)
32,733 residents
- 21212
Baltimore (21212)
32,322 residents
- 21239
Baltimore (21239)
28,793 residents
- 21214 20,564
Baltimore (21214)
20,564 residents
- 21286 19,206
Towson (21286)
19,206 residents
- 21210 14,292
Baltimore (21210)
14,292 residents
What this shows Among its immediate neighbors, ZIP 21239 ranks #6 by population - useful context the national average alone can't give.
ZIP 21239 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21210
Baltimore (21210)
$112,428 median income
- 21212
Baltimore (21212)
$96,685 median income
- 21286
Towson (21286)
$93,808 median income
- 21214
Baltimore (21214)
$86,366 median income
- 21234
Parkville (21234)
$83,517 median income
- 21206
Baltimore (21206)
$64,531 median income
- 21239
Baltimore (21239)
$62,650 median income
- 21218
Baltimore (21218)
$62,488 median income
- 21213
Baltimore (21213)
$51,344 median income
What this shows By household income, ZIP 21239 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21251 | Baltimore, MD | 934 | 1.4 mi |
| 21212 | Baltimore, MD | 32,322 | 1.5 mi |
| 21214 | Baltimore, MD | 20,564 | 1.6 mi |
| 21252 | Towson, MD | 2,872 | 2.2 mi |
| 21218 | Baltimore, MD | 49,796 | 2.7 mi |
| 21210 | Baltimore, MD | 14,292 | 2.6 mi |
| 21213 | Baltimore, MD | 32,733 | 3.6 mi |
| 21286 | Towson, MD | 19,206 | 3.4 mi |
| 21206 | Baltimore, MD | 50,846 | 3.3 mi |
| 21234 | Parkville, MD | 69,752 | 3.4 mi |
More ZIP Codes in Baltimore County
Related Areas
Frequently Asked Questions
What county is ZIP code 21239 in? ▼
What is the population of ZIP code 21239? ▼
What is the median household income in ZIP 21239? ▼
What is the average home value in ZIP 21239? ▼
What is the demographic makeup of ZIP 21239? ▼
How many businesses are in ZIP code 21239? ▼
What are the main industries in ZIP code 21239? ▼
How have home values changed in ZIP code 21239? ▼
What is the education level in ZIP code 21239? ▼
What is the average commute time in ZIP 21239? ▼
What percentage of residents own vs. rent in ZIP 21239? ▼
What is the poverty rate in ZIP code 21239? ▼
Read our methodology to see how this data is sourced, computed, and verified.