20777 ZIP Code — Highland, MD

Howard County, Maryland

ZIP code 20777 is located in Highland, Maryland, within Howard County. It covers approximately 7.54 square miles and serves a population of 3,220 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240.

About ZIP code 20777

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $808,700. Owner-occupancy is high at 97%, well above the national average.

The gap between median ($215,833) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average.

The dominant occupation class is management, business, and professional, with professional and management as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 22% of workers work from home.

Educational attainment is high — 78% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 20777 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

3,220
population
7.54
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
20777 ZIP code map
Cities in ZIP code 20777

Below are the cities the US Postal Service accepts for ZIP code 20777. Using any city not on this list may result in mail delivery delays.

City Status
Highland Preferred
Nearby ZIP codes
20861 Ashton (2.1 mi) 21029 Clarksville (2.2 mi) 20759 Fulton (2.6 mi) 20860 Sandy Spring (3.5 mi) 20868 Spencerville (3.7 mi) 21036 Dayton (4.5 mi) 20905 Silver Spring (4.6 mi) 20905 Silver Spring (4.6 mi) 21044 Columbia (5.3 mi) 20833 Brookeville (5.4 mi) 20866 Burtonsville (5.5 mi) 20832 Olney (5.6 mi)
Demographics updated 05/2026
Population
Total population 3,220
Population density 427 / sq mi
State FIPS 24
County FIPS 027
Geography
Land area 7.54 sq mi
Water area 0.04 sq mi
Latitude 39.1763
Longitude -76.9730
Timezone Eastern (ET)
Area code 240
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 8.5% 17.1% 28.2%
$50k – $100k 7.1% 22.9% 28.2%
$100k – $200k 37.5% 34.8% 30.1%
Over $200k 47.0% 25.2% 13.4%

Demographics & statistics

3,220
Population
427
People per sq mi
45.6
Median age
$215,833
Median household income
$84,323
Per capita income
$808,700
Median home value
$0
Median monthly rent
97.1%
Home ownership
3.0%
Poverty rate
3.6%
Unemployment
1,095
Housing units
77.5%
Bachelor's or higher

Age distribution

Male Female
52
Under 5
43
116
5–9
94
111
10–14
90
141
15–19
114
87
20–24
70
167
25–34
136
188
35–44
153
245
45–54
199
167
55–59
135
157
60–64
127
248
65–74
201
79
75–84
64
20
85+
16
← Male
Female →

Age summary

GroupCount%
Under 1866820.7%
18 and over2,55279.3%
65 and over62819.5%
Median age45.6 years

Race & ethnicity

White 67.7%
Asian 16.1%
Black or African American 6.2%
Two or more races 4.8%
Hispanic or Latino 3.8%
Other race 1.3%
GroupCount%
White2,26867.7%
Asian53916.1%
Black or African American2066.2%
Two or more races1624.8%
Hispanic or Latino1283.8%
Other race451.3%

Household income

Income range This ZIP County avg State avg
Under $50k 8.5% 17.1% 28.2%
$50k – $100k 7.1% 22.9% 28.2%
$100k – $200k 37.5% 34.8% 30.1%
Over $200k 47.0% 25.2% 13.4%
Under $10k 2.1%
$10k–$15k 0.8%
$15k–$25k 0.8%
$35k–$50k 3.1%
$50k–$75k 5.2%
$75k–$100k 2.9%
$100k–$150k 11.1%
$150k–$200k 13.3%
$200k+ 60.8%
Range% of households
Under $10k2.1%
$10k–$15k0.8%
$15k–$25k0.8%
$35k–$50k3.1%
$50k–$75k5.2%
$75k–$100k2.9%
$100k–$150k11.1%
$150k–$200k13.3%
$200k+60.8%
Median income$215,833

Housing

Home values

Under $50k 0.8%
$50k–$100k 0.5%
$100k–$150k 0.9%
$300k–$500k 4.2%
$500k–$1M 73.9%
$1M+ 19.6%

Housing overview

MetricValue
Median home value$808,700
Median rent / month$0
Owner occupied97.1%
Renter occupied2.9%
Vacant1.9%
Single-family detached100.0%
Large apartment buildings0.0%
Mobile homes0.0%
Median rooms10.0
Avg household size (owned)2.91

Year built

Era%
2020 or later0.0%
2010–20193.5%
2000–200911.6%
1990–19997.9%
1980–198937.2%
1970–197920.7%
1960–196914.1%
1950–19593.5%
1940–19490.4%
1939 or earlier1.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.0%
2 bedrooms2.5%
3 bedrooms16.0%
4 bedrooms50.5%
5+ bedrooms30.1%

Vehicles per household

Vehicles% of households
No vehicle1.5%
1 vehicle5.3%
2 vehicles41.9%
3 or more51.3%

Heating fuel

Fuel type%
Utility gas8.1%
Electricity50.4%
Propane / LP gas14.3%
Fuel oil24.8%
Wood0.8%
Solar0.8%

Households & families

Household typeCount%
Married-couple family90982.2%
Cohabiting couple00.0%
Male householder, no spouse11210.1%
Female householder, no spouse857.7%
Households with children under 1842338.2%
Households with seniors (65+)42238.2%
Average household size2.91

Marital status

StatusMaleFemale
Never married29.6%17.3%
Married68.4%75.7%
Separated0.0%1.5%
Widowed2.0%3.7%
Divorced0.0%1.9%

Education

Less than 9th grade 0.0%
Some HS, no diploma 1.0%
HS graduate 8.6%
Some college, no degree 11.0%
Associate's degree 1.9%
Bachelor's degree 34.2%
Graduate / professional 43.3%
Metric%
HS diploma or higher99.0%
Bachelor's or higher77.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool212.4%
Kindergarten242.7%
Elementary school35940.7%
High school22425.4%
College / grad school25528.9%

Employment

Industry of employment

Professional & management 27.9%
Education & healthcare 26.9%
Public administration 16.2%
Finance & real estate 5.8%
Retail trade 4.9%
Manufacturing 4.4%
Information 4.4%
Construction 3.1%
Arts, food & hospitality 2.5%
Wholesale trade 1.7%
Other services 1.2%
Transportation & utilities 1.1%

Occupation

Category%
Management, business & arts76.5%
Service8.1%
Sales & office9.9%
Natural resources & construction2.3%
Production & transportation3.1%

Employment type

Type%
Private sector63.6%
Government27.0%
Self-employed9.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone70.2%
Carpool4.9%
Public transit0.3%
Walk1.0%
Work from home22.1%
Other means1.5%
Avg commute (minutes)36.6

Poverty

All people 3.0%
Under 18 years 3.9%
18 and over 2.7%
Married-couple families 1.0%
Female-led households 37.3%

Income support

Source% of households
Social Security24.1%
Retirement income23.8%
Supplemental Security1.6%
Cash public assistance0.0%
Food stamps / SNAP0.5%

Health indicators

Condition%
Obesity24.6%
High blood pressure30.5%
High cholesterol36.1%
Diabetes7.9%
Heart disease4.6%
Stroke2.0%
Asthma8.2%
Arthritis21.4%
Kidney disease2.2%
Pulmonary disease3.8%
Cancer7.3%
Behavior / access%
Smoking7.5%
Binge drinking13.0%
No physical activity13.7%
Less than 7 hrs sleep28.6%
Depression15.6%
Fair or poor health7.0%
Poor mental health10.3%
Poor physical health6.0%
No health insurance5.4%
Visited doctor (checkup)76.8%
Visited dentist79.3%
Cholesterol screening95.3%
Teeth loss4.5%

Veterans & disability

VeteransCount%
Civilian veterans1676.5%
Disability%
Any disability5.8%
Under 181.2%
18–64 years2.5%
65 and over20.9%

Health insurance coverage

Type%
Private insurance93.3%
Public insurance19.3%
No insurance1.3%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,12597.0%
Spanish1524.9%
Other Indo-European150.5%
Asian & Pacific Islander441.4%
Other languages361.2%

Place of birth & citizenship

OriginCount%
Native born (US)2,80087.0%
Born in same state2,68683.4%
Born in different state1,02331.8%
Foreign born1143.5%
Naturalized citizen42013.0%
Not a US citizen34882.9%

Ancestry

AncestryCount%
Italian52716.4%
French47014.6%
Arab1895.9%
Irish391.2%
AncestryCount%
Dutch160.5%
German120.4%
English110.3%

Technology access

Metric% of households
Computer access34.3%
Internet access98.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20777

What city is ZIP code 20777 in?

ZIP code 20777 is primarily assigned to Highland, Maryland.

What county is ZIP code 20777 in?

ZIP code 20777 falls within Howard County, Maryland.

How educated is the population of ZIP code 20777?

78% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 20777 mostly owner-occupied?

97% of occupied units in ZIP code 20777 are owner-occupied, well above the national average.

What is the median household income in ZIP code 20777?

The median household income in ZIP code 20777 is $215,833, above the national median of ~$75,000.

What is the typical home value in ZIP code 20777?

The median home value in ZIP code 20777 is $808,700.

What timezone is ZIP code 20777 in?

ZIP code 20777 observes the EST timezone.

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