21009 ZIP Code — Abingdon, MD
Harford County, Maryland
ZIP code 21009 is located in Abingdon, Maryland, within Harford County. It covers approximately 11.40 square miles and serves a population of 32,565 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410.
About ZIP code 21009
The housing stock consists of a mix of housing types. Most homes were built in the 1990s, giving the area an established character. Median home value is $314,900. Owner-occupancy is high at 82%, well above the national average.
Median household income is $108,703. The poverty rate of 4% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 38% of residents holding a bachelor's degree or higher.
32,565
population
11.40
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21009 ZIP code map
Cities in ZIP code 21009
Below are the cities the US Postal Service accepts for ZIP code 21009. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Abingdon | Preferred |
Nearby ZIP codes
21017 Belcamp (2.7 mi)
21040 Edgewood (2.8 mi)
21085 Joppa (3.9 mi)
21001 Aberdeen (5 mi)
21015 Bel Air (5.1 mi)
21014 Bel Air (5.7 mi)
21156 Upper Falls (6 mi)
21028 Churchville (7 mi)
21087 Kingsville (7.2 mi)
21010 Gunpowder (7.3 mi)
21005 Aberdeen Proving Ground (7.4 mi)
21162 White Marsh (8.3 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 32,565 |
| Population density | 2,857 / sq mi |
| State FIPS | 24 |
| County FIPS | 025 |
| Geography | |
|---|---|
| Land area | 11.40 sq mi |
| Water area | 0.74 sq mi |
| Latitude | 39.4734 |
| Longitude | -76.2870 |
| Timezone | Eastern (ET) |
| Area code | 410 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 17.7% | 25.4% | 28.2% |
| $50k – $100k | 32.3% | 28.0% | 28.2% |
| $100k – $200k | 39.5% | 34.2% | 30.1% |
| Over $200k | 10.5% | 12.4% | 13.4% |
Demographics & statistics
32,565
Population
2,857
People per sq mi
36.9
Median age
$108,703
Median household income
$48,252
Per capita income
$314,900
Median home value
$1,490
Median monthly rent
81.7%
Home ownership
4.4%
Poverty rate
3.4%
Unemployment
10,710
Housing units
38.3%
Bachelor's or higher
Age distribution
Male
Female
1,177
Under 5
1,161
935
5–9
923
868
10–14
856
863
15–19
851
934
20–24
923
2,675
25–34
2,641
2,500
35–44
2,467
1,946
45–54
1,922
1,328
55–59
1,311
1,268
60–64
1,252
1,275
65–74
1,258
507
75–84
501
112
85+
111
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,971 | 21.4% |
| 18 and over | 25,594 | 78.6% |
| 65 and over | 3,764 | 11.6% |
| Median age | 36.9 years | |
Race & ethnicity
White
71%
Black or African American
16.8%
Two or more races
4.3%
Asian
3.8%
Hispanic or Latino
2.6%
Other race
1.4%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 23,742 | 71% |
| Black or African American | 5,611 | 16.8% |
| Two or more races | 1,449 | 4.3% |
| Asian | 1,281 | 3.8% |
| Hispanic or Latino | 878 | 2.6% |
| Other race | 459 | 1.4% |
| American Indian / Alaska Native | 23 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 17.7% | 25.4% | 28.2% |
| $50k – $100k | 32.3% | 28.0% | 28.2% |
| $100k – $200k | 39.5% | 34.2% | 30.1% |
| Over $200k | 10.5% | 12.4% | 13.4% |
Under $10k
1.5%
$10k–$15k
0.5%
$15k–$25k
4.8%
$25k–$35k
4.9%
$35k–$50k
5.6%
$50k–$75k
11.6%
$75k–$100k
16.2%
$100k–$150k
24.6%
$150k–$200k
16.9%
$200k+
13.4%
| Range | % of households |
|---|---|
| Under $10k | 1.5% |
| $10k–$15k | 0.5% |
| $15k–$25k | 4.8% |
| $25k–$35k | 4.9% |
| $35k–$50k | 5.6% |
| $50k–$75k | 11.6% |
| $75k–$100k | 16.2% |
| $100k–$150k | 24.6% |
| $150k–$200k | 16.9% |
| $200k+ | 13.4% |
| Median income | $108,703 |
Housing
Home values
Under $50k
2.0%
$50k–$100k
0.6%
$100k–$150k
3.4%
$150k–$200k
5.0%
$200k–$300k
34.3%
$300k–$500k
46.9%
$500k–$1M
7.5%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $314,900 |
| Median rent / month | $1,490 |
| Owner occupied | 81.7% |
| Renter occupied | 18.3% |
| Vacant | 2.8% |
| Single-family detached | 42.4% |
| Large apartment buildings | 4.0% |
| Mobile homes | 1.8% |
| Median rooms | 6.9 |
| Avg household size (owned) | 2.62 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.1% |
| 2010–2019 | 7.8% |
| 2000–2009 | 19.1% |
| 1990–1999 | 32.2% |
| 1980–1989 | 26.5% |
| 1970–1979 | 7.2% |
| 1960–1969 | 2.2% |
| 1950–1959 | 2.3% |
| 1940–1949 | 0.7% |
| 1939 or earlier | 2.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.0% |
| 1 bedroom | 5.3% |
| 2 bedrooms | 14.6% |
| 3 bedrooms | 49.7% |
| 4 bedrooms | 25.4% |
| 5+ bedrooms | 4.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.6% |
| 1 vehicle | 25.1% |
| 2 vehicles | 47.4% |
| 3 or more | 23.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 40.4% |
| Electricity | 54.0% |
| Propane / LP gas | 2.1% |
| Fuel oil | 1.7% |
| Wood | 0.4% |
| Solar | 0.4% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 6,920 | 54.6% |
| Cohabiting couple | 1,164 | 9.2% |
| Male householder, no spouse | 1,694 | 13.4% |
| Female householder, no spouse | 2,886 | 22.8% |
| Households with children under 18 | 3,979 | 31.4% |
| Households with seniors (65+) | 2,829 | 22.3% |
| Average household size | 2.57 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.5% | 28.0% |
| Married | 54.3% | 54.2% |
| Separated | 0.6% | 0.9% |
| Widowed | 1.0% | 4.4% |
| Divorced | 8.7% | 12.5% |
Education
Less than 9th grade
1.6%
Some HS, no diploma
2.7%
HS graduate
25.6%
Some college, no degree
24.0%
Associate's degree
7.8%
Bachelor's degree
23.3%
Graduate / professional
15.0%
| Metric | % |
|---|---|
| HS diploma or higher | 95.6% |
| Bachelor's or higher | 38.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 566 | 8.5% |
| Kindergarten | 314 | 4.7% |
| Elementary school | 2,729 | 40.8% |
| High school | 1,220 | 18.2% |
| College / grad school | 1,864 | 27.8% |
Employment
Industry of employment
Education & healthcare
21.1%
Professional & management
15.3%
Public administration
10.6%
Retail trade
10.4%
Finance & real estate
9.2%
Manufacturing
6.9%
Arts, food & hospitality
6.5%
Transportation & utilities
6.2%
Construction
6.0%
Other services
4.0%
Wholesale trade
1.8%
Information
1.6%
Agriculture & mining
0.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 48.5% |
| Service | 13.1% |
| Sales & office | 23.1% |
| Natural resources & construction | 7.8% |
| Production & transportation | 7.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 75.6% |
| Government | 20.2% |
| Self-employed | 4.1% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.8% |
| Carpool | 8.2% |
| Public transit | 0.8% |
| Walk | 1.1% |
| Work from home | 12.1% |
| Other means | 2.0% |
| Avg commute (minutes) | 31.2 |
Poverty
All people
4.4%
Under 18 years
6.2%
18 and over
3.9%
Married-couple families
2.5%
Female-led households
9.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 22.8% |
| Retirement income | 24.3% |
| Supplemental Security | 3.9% |
| Cash public assistance | 4.0% |
| Food stamps / SNAP | 6.6% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.3% |
| High blood pressure | 30.1% |
| High cholesterol | 29.3% |
| Diabetes | 7.6% |
| Heart disease | 4.2% |
| Stroke | 2.1% |
| Asthma | 9.7% |
| Arthritis | 19.5% |
| Kidney disease | 2.0% |
| Pulmonary disease | 4.7% |
| Cancer | 5.3% |
| Behavior / access | % |
|---|---|
| Smoking | 14.9% |
| Binge drinking | 16.8% |
| No physical activity | 18.4% |
| Less than 7 hrs sleep | 32.8% |
| Depression | 19.0% |
| Fair or poor health | 9.8% |
| Poor mental health | 14.0% |
| Poor physical health | 7.3% |
| No health insurance | 9.1% |
| Visited doctor (checkup) | 75.9% |
| Visited dentist | 68.3% |
| Cholesterol screening | 91.2% |
| Teeth loss | 9.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,079 | 8.2% |
| Disability | % |
|---|---|
| Any disability | 7.7% |
| Under 18 | 2.7% |
| 18–64 years | 7.2% |
| 65 and over | 19.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 84.3% |
| Public insurance | 24.7% |
| No insurance | 2.5% |
| Uninsured under 19 | 2.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30,227 | 92.8% |
| Spanish | 1,008 | 3.3% |
| Other Indo-European | 276 | 0.9% |
| Asian & Pacific Islander | 118 | 0.4% |
| Other languages | 362 | 1.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 30,604 | 94.0% |
| Born in same state | 29,928 | 91.9% |
| Born in different state | 21,301 | 65.4% |
| Foreign born | 676 | 2.1% |
| Naturalized citizen | 1,961 | 6.0% |
| Not a US citizen | 1,414 | 72.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,889 | 15% |
| French | 2,923 | 9% |
| Arab | 1,804 | 5.5% |
| German | 238 | 0.7% |
| English | 171 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 119 | 0.4% |
| Irish | 87 | 0.3% |
| Polish | 63 | 0.2% |
| Dutch | 5 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.9% |
| Internet access | 98.6% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21009
What city is ZIP code 21009 in?
ZIP code 21009 is primarily assigned to Abingdon, Maryland.
What county is ZIP code 21009 in?
ZIP code 21009 falls within Harford County, Maryland.
Is ZIP code 21009 mostly owner-occupied?
82% of occupied units in ZIP code 21009 are owner-occupied, well above the national average.
What is the median household income in ZIP code 21009?
The median household income in ZIP code 21009 is $108,703, above the national median of ~$75,000.
What is the typical home value in ZIP code 21009?
The median home value in ZIP code 21009 is $314,900.
What is the population of ZIP code 21009?
ZIP code 21009 has an estimated population of 32,565 residents, with a density of 2,856 people per square mile.
What timezone is ZIP code 21009 in?
ZIP code 21009 observes the EST timezone.