PlainZIP

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
$85,986
Median income
$289,400
Median home value
28.5%
Bachelor's or higher

The verdict

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.

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 Maryland average), while per-capita income is $39,325. 15.7% of residents live below the poverty line, and the unemployment rate reads 3.7%. The typical home here is valued at $289,400 (35% below the state average); renters pay a median of $1,420 monthly, and 64.7% of units are owner-occupied.

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. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Baltimore County, so you can benchmark 21227 against its immediate geography rather than a 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 21227

Top 5 sectors by establishment count in Halethorpe, MD

Which industries have the most business establishments in ZIP 21227.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21227?

36.2

Median Age

50.4%

Male

49.6%

Female

14.6%

Foreign-Born

White 58.7%
African American 15.7%
Asian 6.4%
American Indian or Alaska Native 0.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.8%
Hispanic or Latino 14.3%

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

$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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 61.0%
Bachelor's Degree or Higher 28.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

14,095

Total Housing Units

13,396

Occupied Units

699

Vacant Units

2.59

Avg Household Size

Occupancy Type

Owner 64.7%
Renter 35.3%

$289,400

Median Home Value

-35% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 21227 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21227 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
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

More ZIP Codes in Baltimore County

21234 standard
Parkville, MD
Pop: 69,752
21222 standard
Dundalk, MD
Pop: 55,786
21117 standard
Owings Mills, MD
Pop: 53,778
21207 standard
Gwynn Oak, MD
Pop: 48,133
21228 standard
Catonsville, MD
Pop: 47,577
21221 standard
Essex, MD
Pop: 42,154

Related Areas

Baltimore County Halethorpe, MD Maryland

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.

Read our methodology to see how this data is sourced, computed, and verified.