PlainZIP

Abingdon, MD · standard

ZIP Code 21009

Harford County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

29,766
1,013/sq mi
$121,660
Median income
$357,100
Median home value
41.3%
Bachelor's or higher

The verdict

Abingdon pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 9%
household income, US ZIPs
Top 25%
home value, US ZIPs
1,013
people per sq mi
82%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21009 against every reporting US ZIP.

ZIP code 21009 is a densely settled ZIP (a standard USPS delivery area) in Abingdon, Harford County, Maryland, with 29,766 residents across 29.4 square miles, a density of 1,013 people per square mile, in the New York time zone.

ZIP 21009 skews affluent, with a median household income of $121,660 (7% above the Maryland average), while per-capita income is $52,073. The poverty rate stands at 4.3% and the unemployment rate at 3.6%. The typical home here is valued at $357,100 (20% below the state average); renters pay a median of $1,838 monthly, and 82.4% of units are owner-occupied.

A solid share of residents have a four-year degree: 41.3% of adults hold a bachelor's degree or higher, the median age is 36.2, and the average commute is 31 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Harford County, letting you compare 21009 to its immediate surroundings rather than a national baseline 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 21009

Top 5 sectors by establishment count in Abingdon, MD

Which industries have the most business establishments in ZIP 21009.

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 21009, Abingdon, 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

29,766

Population

29.4

Area (sq mi)

1,013

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 21009?

36.2

Median Age

49.6%

Male

50.4%

Female

6.3%

Foreign-Born

White 71.8%
African American 16.5%
Asian 4.2%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.8%
Hispanic or Latino 5.4%

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?

$121,660

Median Household Income

+7% vs state

$52,073

Per Capita Income

4.3%

Poverty Rate

3.6%

Unemployment Rate

30.7 min

Mean Commute Time

How ZIP 21009 ranks nationally

Abingdon, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$121,660 Top 9% higher than 91% 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%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). This entry sits in this band. $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 65.4%
Bachelor's Degree or Higher 41.3%

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

What does housing look like?

13,256

Total Housing Units

12,940

Occupied Units

316

Vacant Units

2.60

Avg Household Size

Occupancy Type

Owner 82.4%
Renter 17.6%

$357,100

Median Home Value

-20% vs state

$1,838

Median Rent

1993

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

+7.2%

YoY Change (2024)

259

HPI Index (2000 = 100)

+159%

Total Change Since 2000

Home values in ZIP 21009 have increased 7.2% over the past year (2024). Since 2000, this ZIP has seen +159% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.2% 184
2021 +9.9% 203
2022 +19.4% 242
2023 +0.1% 242
2024 +7.2% 259

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 431 business establishments in ZIP 21009, employing approximately 5,969 people with a combined annual payroll of $301,692,000.

431

Businesses

5,969

Employees

$301.7M

Annual Payroll

15

Industry Sectors

Industry Establishments % of Total
Construction 63 14.6%
Health care and social assistance 57 13.2%
Retail trade 53 12.3%
Professional, scientific, and technical services 45 10.4%
Other services (except public administration) 45 10.4%
Accommodation and food services 33 7.7%
Administrative and support and waste management and remediation services 32 7.4%
Real estate and rental and leasing 22 5.1%
Finance and insurance 21 4.9%
Transportation and warehousing 17 3.9%
Wholesale trade 13 3.0%
Arts, entertainment, and recreation 10 2.3%
Information 8 1.9%
Manufacturing 7 1.6%
Educational services 4 0.9%

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 21009 vs 21040 →

ZIP 21009 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 21009 ranks #2 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 21009 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 21009 ranks #3 of 9 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
21040 Edgewood, MD 24,420 2.6 mi
21017 Belcamp, MD 7,062 3.1 mi
21015 Bel Air, MD 27,763 5.3 mi
21085 Joppa, MD 16,171 3.6 mi
21010 Gunpowder, MD 104 5.6 mi
21130 Perryman, MD 187 5.4 mi
21014 Bel Air, MD 36,047 5.5 mi
21001 Aberdeen, MD 21,487 5.7 mi
21156 Upper Falls, MD 358 5.9 mi
21087 Kingsville, MD 5,451 6.7 mi

More ZIP Codes in Harford County

21014 standard
Bel Air, MD
Pop: 36,047
21015 standard
Bel Air, MD
Pop: 27,763
21040 standard
Edgewood, MD
Pop: 24,420
21001 standard
Aberdeen, MD
Pop: 21,487
21050 standard
Forest Hill, MD
Pop: 18,202
21078 standard
Havre De Grace, MD
Pop: 17,603

Related Areas

Harford County Abingdon, MD Maryland

Frequently Asked Questions

What county is ZIP code 21009 in? ▼
ZIP code 21009 (Abingdon) is located in Harford County, Maryland. Harford County contains multiple ZIP codes, see the full list at /counties/harford-md.
What is the population of ZIP code 21009? ▼
ZIP code 21009 in Abingdon, MD has a population of 29,766 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21009? ▼
The median household income in ZIP 21009 is $121,660, which is 59% above the national average of $76,288.
What is the average home value in ZIP 21009? ▼
The median home value in ZIP 21009 is $357,100, which is 28% above the national average of $278,155.
What is the demographic makeup of ZIP 21009? ▼
The largest racial group in ZIP 21009 is White at 71.8%. Hispanic or Latino residents make up 5.4% of the population.
How many businesses are in ZIP code 21009? ▼
ZIP code 21009 has 431 business establishments employing approximately 5,969 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21009? ▼
The top industries by establishment count in ZIP 21009 are: Construction (63), Health care and social assistance (57), Retail trade (53). There are 15 industry sectors represented in total.
How have home values changed in ZIP code 21009? ▼
According to the FHFA House Price Index, home values in ZIP 21009 increased by 7.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 159%. 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 21009? ▼
In ZIP code 21009, 65.4% of residents aged 25+ have a high school diploma or higher, and 41.3% 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 21009? ▼
The mean commute time for workers in ZIP code 21009 is 30.7 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 21009? ▼
In ZIP code 21009, approximately 82.4% of occupied housing units are owner-occupied and 17.6% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21009? ▼
The poverty rate in ZIP code 21009 is 4.3% 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.