Halethorpe, MD · standard
ZIP Code 21227
Baltimore County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 33,534
- 1,122/sq mi High-density area
- $85,986
- Median income Above-median income area
- $289,400
- Median home value Near-median home value
- 28.5%
- Bachelor's or higher Near-average bachelor's attainment
National ZIP placement
Halethorpe pairs an above-median household income with above-median home values, in a low-density, homeowner-dominated area.
- Top 31%
- household income, US ZIPs
- Top 35%
- home value, US ZIPs
- 1,122
- people per sq mi
- 65%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21227 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 21227 (Halethorpe, MD) rose +5.2% from 2023 to 2024. The all-transactions index moved from 250.4 in 2023 to 263.4 in 2024 (2000 = 100).
ZIP code 21227 is a densely settled ZIP (a standard USPS delivery area) in Halethorpe, Baltimore County, Maryland, with 33,534 residents across 29.9 square miles, a density of 1,122 people per square mile, in the New York time zone.
ZIP 21227 lands in the middle-income range, with a median household income of $85,986 (25% below the average Maryland ZIP), while per-capita income is $39,325. The poverty rate is 15.7%, with unemployment at 3.7%; those measures add context to the income figure. Home values sit below the statewide ZIP benchmark: the median is $289,400 (35% below the average Maryland ZIP), and median rent is $1,420; owner occupancy is 64.7%.
Educational attainment sits below the national norm: 28.5% of adults hold a bachelor's degree or higher, the median age is 36.2, and the average commute is 28 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Baltimore County, so 21227 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 21227
Top 5 sectors by establishment count in Halethorpe, MD
Which industries have the most business establishments in ZIP 21227.
- Construction
Construction
113 establishments
- Wholesale trade
Wholesale trade
113 establishments
- Retail trade
Retail trade
104 establishments
- Health care and social assistance
Health care and social assistance
95 establishments
- Other services (except public administration)
Other services (except public administration)
90 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 21227, Halethorpe, 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
33,534
Population
29.9
Area (sq mi)
1,122
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 21227?
36.2
Median Age
50.4%
Male
49.6%
Female
14.6%
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?
$85,986
Median Household Income
-25% vs state ZIP avg
$39,325
Per Capita Income
15.7%
Poverty Rate
3.7%
Unemployment Rate
27.5 min
Mean Commute Time
How ZIP 21227 ranks nationally
Halethorpe, MD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$85,986 Top 31% higher than 69% 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?
Housing stock: occupied vs vacant
14,095housing units
14,095
Total Housing Units
13,396
Occupied Units
699
Vacant Units
2.59
Avg Household Size
Occupancy Type
$289,400
Median Home Value
-35% vs state ZIP avg
$1,420
Median Rent
1958
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
+5.2%
YoY Change (2024)
263
HPI Index (2000 = 100)
+163%
Total Change Since 2000
Home values in ZIP 21227 have increased 5.2% over the past year (2024). Since 2000, this ZIP has seen +163% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +4.0% | 192 |
| 2021 | +9.5% | 211 |
| 2022 | +11.2% | 234 |
| 2023 | +6.9% | 250 |
| 2024 | +5.2% | 263 |
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 920 business establishments in ZIP 21227, employing approximately 20,296 people with a combined annual payroll of $1,331,534,000.
920
Businesses
20,296
Employees
$1.3B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 113 | 12.3% |
| Wholesale trade | 113 | 12.3% |
| Retail trade | 104 | 11.3% |
| Health care and social assistance | 95 | 10.3% |
| Other services (except public administration) | 90 | 9.8% |
| Professional, scientific, and technical services | 86 | 9.3% |
| Administrative and support and waste management and remediation services | 74 | 8.0% |
| Accommodation and food services | 64 | 7.0% |
| Transportation and warehousing | 57 | 6.2% |
| Manufacturing | 42 | 4.6% |
| Real estate and rental and leasing | 34 | 3.7% |
| Finance and insurance | 14 | 1.5% |
| Information | 13 | 1.4% |
| Management of companies and enterprises | 9 | 1.0% |
| Arts, entertainment, and recreation | 5 | 0.5% |
| Educational services | 4 | 0.4% |
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 21227 vs 21090 →
ZIP 21227 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21228
Catonsville (21228)
47,577 residents
- 21229
Baltimore (21229)
45,213 residents
- 21230
Baltimore (21230)
33,568 residents
- 21225
Brooklyn (21225)
33,545 residents
- 21227
Halethorpe (21227)
33,534 residents
- 21216
Baltimore (21216)
32,071 residents
- 21223
Baltimore (21223)
26,366 residents
- 21090 9,784
Linthicum Heights (21090)
9,784 residents
- 21250 3,205
Baltimore (21250)
3,205 residents
What this shows Among its immediate neighbors, ZIP 21227 ranks #5 by population - useful context the national average alone can't give.
ZIP 21227 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 21090
Linthicum Heights (21090)
$138,119 median income
- 21228
Catonsville (21228)
$112,656 median income
- 21230
Baltimore (21230)
$91,842 median income
- 21227
Halethorpe (21227)
$85,986 median income
- 21229
Baltimore (21229)
$60,047 median income
- 21225 $54,020
Brooklyn (21225)
$54,020 median income
- 21223 $45,840
Baltimore (21223)
$45,840 median income
- 21216 $42,031
Baltimore (21216)
$42,031 median income
What this shows By household income, ZIP 21227 ranks #4 of 8 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 21090 | Linthicum Heights, MD | 9,784 | 2.2 mi |
| 21250 | Baltimore, MD | 3,205 | 2.0 mi |
| 21229 | Baltimore, MD | 45,213 | 3.1 mi |
| 21223 | Baltimore, MD | 26,366 | 3.3 mi |
| 21240 | Baltimore, MD | 0 | 4.5 mi |
| 21216 | Baltimore, MD | 32,071 | 4.9 mi |
| 21225 | Brooklyn, MD | 33,545 | 3.6 mi |
| 21230 | Baltimore, MD | 33,568 | 3.5 mi |
| 21228 | Catonsville, MD | 47,577 | 4.3 mi |
| 21077 | Harmans, MD | 224 | 5.9 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 21227, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (33,534 here; floor ≥1,000).
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 21227 in?
ZIP code 21227 (Halethorpe) 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 21227?
ZIP code 21227 in Halethorpe, MD has a population of 33,534 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21227?
The median household income in ZIP 21227 is $85,986, which is 13% above the national average of $76,288.
What is the average home value in ZIP 21227?
The median home value in ZIP 21227 is $289,400, which is 4% above the national average of $278,155.
What is the demographic makeup of ZIP 21227?
The largest racial group in ZIP 21227 is White at 58.7%. Hispanic or Latino residents make up 14.3% of the population.
How many businesses are in ZIP code 21227?
ZIP code 21227 has 920 business establishments employing approximately 20,296 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21227?
The top industries by establishment count in ZIP 21227 are: Construction (113), Wholesale trade (113), Retail trade (104). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 21227?
According to the FHFA House Price Index, home values in ZIP 21227 increased by 5.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 163%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21227?
In ZIP code 21227, 61.0% of residents aged 25+ have a high school diploma or higher, and 28.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21227?
The mean commute time for workers in ZIP code 21227 is 27.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21227?
In ZIP code 21227, approximately 64.7% of occupied housing units are owner-occupied and 35.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21227?
The poverty rate in ZIP code 21227 is 15.7% 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 21227's numbers, next.
- See how ZIP 21227 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Halethorpe, 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.