21830 ZIP Code — Hebron, MD
Wicomico County, Maryland
ZIP code 21830 is located in Hebron, Maryland, within Wicomico County. It covers approximately 32.89 square miles and serves a population of 4,837 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 410/443.
About ZIP code 21830
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $236,300. Owner-occupancy is high at 87%, well above the national average.
Median household income is $105,836. The poverty rate of 6% 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 26 minutes is near the national average.
Educational attainment is near the national average, with 36% of residents holding a bachelor's degree or higher.
4,837
population
32.89
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21830 ZIP code map
Cities in ZIP code 21830
Below are the cities the US Postal Service accepts for ZIP code 21830. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Hebron | Preferred |
Nearby ZIP codes
21837 Mardela Springs (4.8 mi)
21801 Salisbury (6.3 mi)
21856 Quantico (6.5 mi)
21869 Vienna (7.4 mi)
21826 Fruitland (9.1 mi)
21865 Tyaskin (9.5 mi)
21822 Eden (10.3 mi)
21814 Bivalve (10.8 mi)
19940 Delmar (11.9 mi)
21659 Rhodesdale (12 mi)
21840 Nanticoke (12.8 mi)
21804 Salisbury (13.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 4,837 |
| Population density | 147 / sq mi |
| State FIPS | 24 |
| County FIPS | 045 |
| Geography | |
|---|---|
| Land area | 32.89 sq mi |
| Water area | 0.86 sq mi |
| Latitude | 38.4067 |
| Longitude | -75.7499 |
| Timezone | Eastern (ET) |
| Area code | 410/443 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 27.5% | 42.5% | 28.2% |
| $50k – $100k | 37.4% | 31.8% | 28.2% |
| $100k – $200k | 29.6% | 21.8% | 30.1% |
| Over $200k | 5.5% | 4.0% | 13.4% |
Demographics & statistics
4,837
Population
147
People per sq mi
40.0
Median age
$105,836
Median household income
$45,003
Per capita income
$236,300
Median home value
$1,146
Median monthly rent
87.4%
Home ownership
5.8%
Poverty rate
5.7%
Unemployment
1,647
Housing units
35.6%
Bachelor's or higher
Age distribution
Male
Female
76
Under 5
92
128
5–9
155
162
10–14
196
221
15–19
268
208
20–24
252
162
25–34
196
262
35–44
318
323
45–54
392
229
55–59
279
125
60–64
151
139
65–74
168
80
75–84
98
71
85+
86
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,045 | 21.6% |
| 18 and over | 3,792 | 78.4% |
| 65 and over | 642 | 13.3% |
| Median age | 40.0 years | |
Race & ethnicity
White
80.2%
Black or African American
14.6%
Two or more races
2.5%
Hispanic or Latino
1.7%
Other race
0.5%
Native Hawaiian / Pacific Islander
0.4%
Asian
0.1%
| Group | Count | % |
|---|---|---|
| White | 3,947 | 80.2% |
| Black or African American | 718 | 14.6% |
| Two or more races | 123 | 2.5% |
| Hispanic or Latino | 84 | 1.7% |
| Other race | 25 | 0.5% |
| Native Hawaiian / Pacific Islander | 19 | 0.4% |
| Asian | 3 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 27.5% | 42.5% | 28.2% |
| $50k – $100k | 37.4% | 31.8% | 28.2% |
| $100k – $200k | 29.6% | 21.8% | 30.1% |
| Over $200k | 5.5% | 4.0% | 13.4% |
Under $10k
2.3%
$10k–$15k
2.7%
$15k–$25k
1.4%
$25k–$35k
7.2%
$35k–$50k
3.1%
$50k–$75k
12.6%
$75k–$100k
17.1%
$100k–$150k
29.9%
$150k–$200k
11.0%
$200k+
12.7%
| Range | % of households |
|---|---|
| Under $10k | 2.3% |
| $10k–$15k | 2.7% |
| $15k–$25k | 1.4% |
| $25k–$35k | 7.2% |
| $35k–$50k | 3.1% |
| $50k–$75k | 12.6% |
| $75k–$100k | 17.1% |
| $100k–$150k | 29.9% |
| $150k–$200k | 11.0% |
| $200k+ | 12.7% |
| Median income | $105,836 |
Housing
Home values
Under $50k
1.9%
$50k–$100k
3.4%
$100k–$150k
5.7%
$150k–$200k
17.8%
$200k–$300k
39.2%
$300k–$500k
23.1%
$500k–$1M
8.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $236,300 |
| Median rent / month | $1,146 |
| Owner occupied | 87.4% |
| Renter occupied | 12.6% |
| Vacant | 5.8% |
| Single-family detached | 90.2% |
| Large apartment buildings | 0.3% |
| Mobile homes | 6.1% |
| Median rooms | 6.4 |
| Avg household size (owned) | 2.76 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 18.0% |
| 2000–2009 | 27.4% |
| 1990–1999 | 27.0% |
| 1980–1989 | 7.9% |
| 1970–1979 | 4.8% |
| 1960–1969 | 5.1% |
| 1950–1959 | 2.2% |
| 1940–1949 | 0.9% |
| 1939 or earlier | 6.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 3.0% |
| 2 bedrooms | 4.8% |
| 3 bedrooms | 65.4% |
| 4 bedrooms | 19.5% |
| 5+ bedrooms | 7.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.1% |
| 1 vehicle | 14.3% |
| 2 vehicles | 33.0% |
| 3 or more | 49.6% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 3.9% |
| Electricity | 54.8% |
| Propane / LP gas | 22.9% |
| Fuel oil | 8.7% |
| Wood | 3.6% |
| Solar | 5.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,068 | 60.6% |
| Cohabiting couple | 107 | 6.1% |
| Male householder, no spouse | 233 | 13.2% |
| Female householder, no spouse | 353 | 20.0% |
| Households with children under 18 | 593 | 33.7% |
| Households with seniors (65+) | 543 | 30.8% |
| Average household size | 2.74 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 23.5% | 27.0% |
| Married | 64.4% | 50.2% |
| Separated | 1.6% | 5.1% |
| Widowed | 5.8% | 5.6% |
| Divorced | 4.6% | 12.0% |
Education
Less than 9th grade
0.3%
Some HS, no diploma
4.6%
HS graduate
29.3%
Some college, no degree
18.4%
Associate's degree
11.9%
Bachelor's degree
24.7%
Graduate / professional
10.9%
| Metric | % |
|---|---|
| HS diploma or higher | 95.1% |
| Bachelor's or higher | 35.6% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 57 | 3.9% |
| Kindergarten | 49 | 3.4% |
| Elementary school | 568 | 39.1% |
| High school | 374 | 25.8% |
| College / grad school | 403 | 27.8% |
Employment
Industry of employment
Education & healthcare
33.1%
Professional & management
12.1%
Manufacturing
9.6%
Public administration
8.1%
Retail trade
7.8%
Arts, food & hospitality
7.8%
Finance & real estate
6.2%
Construction
5.0%
Agriculture & mining
4.3%
Transportation & utilities
3.6%
Other services
1.3%
Wholesale trade
0.9%
Information
0.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 38.1% |
| Service | 19.2% |
| Sales & office | 21.6% |
| Natural resources & construction | 13.8% |
| Production & transportation | 7.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.1% |
| Government | 21.1% |
| Self-employed | 5.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.4% |
| Carpool | 2.8% |
| Public transit | 0.4% |
| Walk | 0.1% |
| Work from home | 14.0% |
| Other means | 1.3% |
| Avg commute (minutes) | 25.6 |
Poverty
All people
5.8%
Under 18 years
9.8%
18 and over
4.7%
Married-couple families
0.1%
Female-led households
38.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 26.3% |
| Retirement income | 11.6% |
| Supplemental Security | 7.2% |
| Cash public assistance | 4.5% |
| Food stamps / SNAP | 11.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 36.6% |
| High blood pressure | 37.5% |
| High cholesterol | 35.1% |
| Diabetes | 10.9% |
| Heart disease | 6.4% |
| Stroke | 3.2% |
| Asthma | 10.7% |
| Arthritis | 26.9% |
| Kidney disease | 3.0% |
| Pulmonary disease | 7.5% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Smoking | 19.0% |
| Binge drinking | 16.3% |
| No physical activity | 22.5% |
| Less than 7 hrs sleep | 33.7% |
| Depression | 20.9% |
| Fair or poor health | 14.3% |
| Poor mental health | 15.2% |
| Poor physical health | 10.0% |
| No health insurance | 11.4% |
| Visited doctor (checkup) | 77.2% |
| Visited dentist | 57.7% |
| Cholesterol screening | 91.1% |
| Teeth loss | 14.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 341 | 9.0% |
| Disability | % |
|---|---|
| Any disability | 8.1% |
| Under 18 | 1.1% |
| 18–64 years | 7.0% |
| 65 and over | 25.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.1% |
| Public insurance | 32.3% |
| No insurance | 2.6% |
| Uninsured under 19 | 0.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,669 | 96.5% |
| Spanish | 24 | 0.5% |
| Other Indo-European | 21 | 0.4% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 3 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 4,759 | 98.4% |
| Born in same state | 4,705 | 97.3% |
| Born in different state | 3,347 | 69.2% |
| Foreign born | 54 | 1.1% |
| Naturalized citizen | 78 | 1.6% |
| Not a US citizen | 45 | 57.7% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 955 | 19.7% |
| French | 791 | 16.4% |
| Italian | 375 | 7.8% |
| Dutch | 29 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| Norwegian | 13 | 0.3% |
| German | 8 | 0.2% |
| English | 4 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 36.4% |
| Internet access | 96.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21830
What city is ZIP code 21830 in?
ZIP code 21830 is primarily assigned to Hebron, Maryland.
What county is ZIP code 21830 in?
ZIP code 21830 falls within Wicomico County, Maryland.
Is ZIP code 21830 mostly owner-occupied?
87% of occupied units in ZIP code 21830 are owner-occupied, well above the national average.
What is the median household income in ZIP code 21830?
The median household income in ZIP code 21830 is $105,836, above the national median of ~$75,000.
What is the population of ZIP code 21830?
ZIP code 21830 has an estimated population of 4,837 residents, with a density of 147 people per square mile.
What is the typical home value in ZIP code 21830?
The median home value in ZIP code 21830 is $236,300.
What timezone is ZIP code 21830 in?
ZIP code 21830 observes the EST timezone.