21077 ZIP Code — Harmans, MD
Anne Arundel County, Maryland
ZIP code 21077 is located in Harmans, Maryland, within Anne Arundel County. It covers approximately 0.44 square miles and serves a population of 105 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 443.
105
population
0.44
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21077 ZIP code map
Cities in ZIP code 21077
Below are the cities the US Postal Service accepts for ZIP code 21077. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Harmans | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 105 |
| Population density | 239 / sq mi |
| State FIPS | 24 |
| County FIPS | 003 |
| Geography | |
|---|---|
| Land area | 0.44 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 39.1576 |
| Longitude | -76.7017 |
| Timezone | Eastern (ET) |
| Area code | 443 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 6.0% | 20.1% | 28.2% |
| $50k – $100k | 9.4% | 27.4% | 28.2% |
| $100k – $200k | 72.6% | 36.3% | 30.1% |
| Over $200k | 12.0% | 16.2% | 13.4% |
Demographics & statistics
105
Population
239
People per sq mi
40.7
Median age
$180,167
Median household income
$81,151
Per capita income
$406,700
Median home value
$0
Median monthly rent
100.0%
Home ownership
0.0%
Poverty rate
34.0%
Unemployment
56
Housing units
73.3%
Bachelor's or higher
Age distribution
Male
Female
13
25–34
17
14
35–44
18
14
45–54
18
5
75–84
6
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 0 | 0.0% |
| 18 and over | 105 | 100.0% |
| 65 and over | 11 | 10.5% |
| Median age | 40.7 years | |
Race & ethnicity
White
69.5%
Black or African American
30.5%
| Group | Count | % |
|---|---|---|
| White | 73 | 69.5% |
| Black or African American | 32 | 30.5% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 6.0% | 20.1% | 28.2% |
| $50k – $100k | 9.4% | 27.4% | 28.2% |
| $100k – $200k | 72.6% | 36.3% | 30.1% |
| Over $200k | 12.0% | 16.2% | 13.4% |
$15k–$25k
19.6%
$150k–$200k
80.4%
| Range | % of households |
|---|---|
| $15k–$25k | 19.6% |
| $150k–$200k | 80.4% |
| Median income | $180,167 |
Housing
Home values
$200k–$300k
19.6%
$300k–$500k
80.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $406,700 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 0.0% |
| Single-family detached | 46.4% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 6.2 |
| Avg household size (owned) | 1.88 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 53.6% |
| 2000–2009 | 0.0% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 0.0% |
| 1960–1969 | 0.0% |
| 1950–1959 | 46.4% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 0.0% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 26.8% |
| 3 bedrooms | 53.6% |
| 4 bedrooms | 19.6% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 19.6% |
| 2 vehicles | 53.6% |
| 3 or more | 26.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 46.4% |
| Electricity | 53.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 45 | 80.4% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 11 | 19.6% |
| Households with children under 18 | 0 | 0.0% |
| Households with seniors (65+) | 11 | 19.6% |
| Average household size | 1.88 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 0.0% | 0.0% |
| Married | 100.0% | 81.0% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 19.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
0.0%
HS graduate
10.5%
Some college, no degree
16.2%
Associate's degree
0.0%
Bachelor's degree
44.8%
Graduate / professional
28.6%
| Metric | % |
|---|---|
| HS diploma or higher | 100.0% |
| Bachelor's or higher | 73.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 0 | 0.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Public administration
48.4%
Retail trade
27.4%
Education & healthcare
24.2%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 72.6% |
| Service | 0.0% |
| Sales & office | 27.4% |
| Natural resources & construction | 0.0% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 27.4% |
| Government | 72.6% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 75.8% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 24.2% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 19.6% |
| Retirement income | 0.0% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.9% |
| High blood pressure | 34.0% |
| High cholesterol | 31.2% |
| Diabetes | 8.8% |
| Heart disease | 6.1% |
| Stroke | 2.6% |
| Asthma | 8.7% |
| Arthritis | 25.3% |
| Kidney disease | 2.6% |
| Pulmonary disease | 5.0% |
| Cancer | 8.0% |
| Behavior / access | % |
|---|---|
| Smoking | 11.0% |
| Binge drinking | 15.4% |
| No physical activity | 17.6% |
| Less than 7 hrs sleep | 31.1% |
| Depression | 18.5% |
| Fair or poor health | 9.4% |
| Poor mental health | 12.3% |
| Poor physical health | 7.7% |
| No health insurance | 7.7% |
| Visited doctor (checkup) | 77.4% |
| Visited dentist | 74.2% |
| Cholesterol screening | 94.0% |
| Teeth loss | 6.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 17 | 16.2% |
| Disability | % |
|---|---|
| Any disability | 14.3% |
| Under 18 | 0.0% |
| 18–64 years | 16.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 100.0% |
| Public insurance | 10.5% |
| No insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 105 | 100.0% |
| Spanish | 0 | 0.0% |
| Other Indo-European | 0 | 0.0% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 73 | 69.5% |
| Born in same state | 73 | 69.5% |
| Born in different state | 45 | 42.9% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 32 | 30.5% |
| Not a US citizen | 32 | 100.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 17 | 16.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 53.3% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21077
What city is ZIP code 21077 in?
ZIP code 21077 is primarily assigned to Harmans, Maryland.
What county is ZIP code 21077 in?
ZIP code 21077 falls within Anne Arundel County, Maryland.
How educated is the population of ZIP code 21077?
73% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 21077 have a large veteran population?
16% of civilians in ZIP code 21077 are veterans, above the national average of ~7%.
What is the median household income in ZIP code 21077?
The median household income in ZIP code 21077 is $180,167, above the national median of ~$75,000.
What is the typical home value in ZIP code 21077?
The median home value in ZIP code 21077 is $406,700.
What timezone is ZIP code 21077 in?
ZIP code 21077 observes the EST timezone.