Baltimore, MD · standard
ZIP Code 21251
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 934
- 2,045/sq mi High-density area
- 50.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Baltimore has 934 residents, placing it in the 29th percentile of the 33,099 US ZIP codes with a reported population, at 2,045 people per square mile.
Source: USPS ZIP record + U.S. Census Bureau ZIP population. Rank compares ZIP 21251 against every US ZIP with a reported population; income/home-value percentiles are not available for this ZIP.
ZIP code 21251 is a sparsely populated ZIP (a standard USPS delivery area) in Baltimore, Baltimore County, Maryland, home to just 934 residents across 0.5 square miles, a density of 2,045 people per square mile, in the New York time zone.
Median household income is not on file for ZIP 21251, but per-capita income is $14,981. The poverty rate is -, with unemployment at 6.8%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
This is a highly-educated ZIP: 50.0% of adults hold a bachelor's degree or higher, the median age is 19.5, and the average commute is -. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Baltimore County, so 21251 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 →
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 21251, 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
934
Population
0.5
Area (sq mi)
2,045
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21251?
19.5
Median Age
68.6%
Male
31.4%
Female
7.3%
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?
$14,981
Per Capita Income
6.8%
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?
0
Total Housing Units
0
Occupied Units
0
Vacant Units
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 14 business establishments in ZIP 21251, employing approximately 202 people with a combined annual payroll of $7,036,000.
14
Businesses
202
Employees
$7.0M
Annual Payroll
1
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 9 | 64.3% |
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 21251 vs 21214 →
ZIP 21251 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 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
Baltimore (21214)
20,564 residents
- 21205 16,146
Baltimore (21205)
16,146 residents
- 21231 15,748
Baltimore (21231)
15,748 residents
- 21210 14,292
Baltimore (21210)
14,292 residents
What this shows Among its immediate neighbors, ZIP 21251 ranks #0 by population - useful context the national average alone can't give.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21214 | Baltimore, MD | 20,564 | 0.9 mi |
| 21239 | Baltimore, MD | 28,793 | 1.4 mi |
| 21213 | Baltimore, MD | 32,733 | 2.2 mi |
| 21218 | Baltimore, MD | 49,796 | 1.7 mi |
| 21206 | Baltimore, MD | 50,846 | 2.4 mi |
| 21212 | Baltimore, MD | 32,322 | 2.3 mi |
| 21205 | Baltimore, MD | 16,146 | 3.2 mi |
| 21210 | Baltimore, MD | 14,292 | 3.0 mi |
| 21231 | Baltimore, MD | 15,748 | 4.2 mi |
| 21252 | Towson, MD | 2,872 | 3.5 mi |
More ZIP Codes in Baltimore County
Related Areas
Frequently Asked Questions
What county is ZIP code 21251 in?
ZIP code 21251 (Baltimore) is located in Baltimore County, Maryland. Baltimore County contains multiple ZIP codes, see the full list at /counties/baltimore-md-24510.
What is the population of ZIP code 21251?
ZIP code 21251 in Baltimore, MD has a population of 934 according to the Census Bureau ACS 2023 estimates.
What is the demographic makeup of ZIP 21251?
The largest racial group in ZIP 21251 is African American at 58.6%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 21251?
ZIP code 21251 has 14 business establishments employing approximately 202 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 21251?
In ZIP code 21251, 75.0% of residents aged 25+ have a high school diploma or higher, and 50.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
Related
Take this with you
What to do with ZIP 21251's numbers, next.
- See how ZIP 21251 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Baltimore, 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.