21703 ZIP Code — Frederick, MD
Frederick County, Maryland
ZIP code 21703 is located in Frederick, Maryland, within Frederick County. It covers approximately 32.03 square miles and serves a population of 39,606 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.
About ZIP code 21703
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 $343,900. Owner-occupancy sits near the national average at 67%.
Median household income is $103,028.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is near the national average, with 41% of residents holding a bachelor's degree or higher.
39,606
population
32.03
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21703 ZIP code map
Cities in ZIP code 21703
Below are the cities the US Postal Service accepts for ZIP code 21703. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Frederick | Preferred |
Nearby ZIP codes
21709 Frederick (4.5 mi)
21704 Frederick (4.5 mi)
21710 Adamstown (4.9 mi)
20103 Dulles (5 mi)
20104 Dulles (5 mi)
21755 Jefferson (6.2 mi)
21777 Point Of Rocks (6.6 mi)
21790 Tuscarora (7.6 mi)
21769 Middletown (8.1 mi)
21716 Brunswick (9.3 mi)
21702 Frederick (9.3 mi)
21701 Frederick (9.6 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 39,606 |
| Population density | 1,237 / sq mi |
| State FIPS | 24 |
| County FIPS | 021 |
| Geography | |
|---|---|
| Land area | 32.03 sq mi |
| Water area | 0.04 sq mi |
| Latitude | 39.3613 |
| Longitude | -77.4586 |
| Timezone | Eastern (ET) |
| Area code | 240/301 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 25.5% | 22.0% | 28.2% |
| $50k – $100k | 29.0% | 27.2% | 28.2% |
| $100k – $200k | 38.5% | 36.5% | 30.1% |
| Over $200k | 7.0% | 14.3% | 13.4% |
Demographics & statistics
39,606
Population
1,237
People per sq mi
35.5
Median age
$103,028
Median household income
$43,979
Per capita income
$343,900
Median home value
$1,769
Median monthly rent
66.7%
Home ownership
7.6%
Poverty rate
4.5%
Unemployment
10,380
Housing units
41.3%
Bachelor's or higher
Age distribution
Male
Female
1,500
Under 5
1,637
1,151
5–9
1,257
1,325
10–14
1,447
1,064
15–19
1,161
1,252
20–24
1,366
3,009
25–34
3,285
3,155
35–44
3,444
2,261
45–54
2,468
1,161
55–59
1,267
1,062
60–64
1,159
1,262
65–74
1,377
544
75–84
593
191
85+
208
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 9,570 | 24.2% |
| 18 and over | 30,036 | 75.8% |
| 65 and over | 4,175 | 10.5% |
| Median age | 35.5 years | |
Race & ethnicity
White
54.2%
Black or African American
13.5%
Two or more races
10.5%
Hispanic or Latino
9.5%
Asian
8.3%
Other race
3.5%
American Indian / Alaska Native
0.5%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 23,729 | 54.2% |
| Black or African American | 5,895 | 13.5% |
| Two or more races | 4,598 | 10.5% |
| Hispanic or Latino | 4,166 | 9.5% |
| Asian | 3,617 | 8.3% |
| Other race | 1,545 | 3.5% |
| American Indian / Alaska Native | 197 | 0.5% |
| Native Hawaiian / Pacific Islander | 25 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 25.5% | 22.0% | 28.2% |
| $50k – $100k | 29.0% | 27.2% | 28.2% |
| $100k – $200k | 38.5% | 36.5% | 30.1% |
| Over $200k | 7.0% | 14.3% | 13.4% |
Under $10k
1.6%
$10k–$15k
3.3%
$15k–$25k
3.3%
$25k–$35k
4.6%
$35k–$50k
7.5%
$50k–$75k
14.3%
$75k–$100k
11.7%
$100k–$150k
25.5%
$150k–$200k
15.6%
$200k+
12.6%
| Range | % of households |
|---|---|
| Under $10k | 1.6% |
| $10k–$15k | 3.3% |
| $15k–$25k | 3.3% |
| $25k–$35k | 4.6% |
| $35k–$50k | 7.5% |
| $50k–$75k | 14.3% |
| $75k–$100k | 11.7% |
| $100k–$150k | 25.5% |
| $150k–$200k | 15.6% |
| $200k+ | 12.6% |
| Median income | $103,028 |
Housing
Home values
Under $50k
1.7%
$50k–$100k
0.1%
$100k–$150k
0.7%
$150k–$200k
3.7%
$200k–$300k
29.2%
$300k–$500k
50.7%
$500k–$1M
12.5%
$1M+
1.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $343,900 |
| Median rent / month | $1,769 |
| Owner occupied | 66.7% |
| Renter occupied | 33.3% |
| Vacant | 3.6% |
| Single-family detached | 33.6% |
| Large apartment buildings | 4.3% |
| Mobile homes | 1.4% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.75 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.6% |
| 2010–2019 | 15.7% |
| 2000–2009 | 15.8% |
| 1990–1999 | 28.7% |
| 1980–1989 | 23.7% |
| 1970–1979 | 6.1% |
| 1960–1969 | 2.0% |
| 1950–1959 | 2.4% |
| 1940–1949 | 0.5% |
| 1939 or earlier | 4.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.9% |
| 1 bedroom | 6.0% |
| 2 bedrooms | 24.5% |
| 3 bedrooms | 40.4% |
| 4 bedrooms | 21.5% |
| 5+ bedrooms | 4.6% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.0% |
| 1 vehicle | 29.9% |
| 2 vehicles | 42.6% |
| 3 or more | 24.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 33.0% |
| Electricity | 59.0% |
| Propane / LP gas | 2.3% |
| Fuel oil | 3.9% |
| Wood | 0.8% |
| Solar | 0.6% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 6,947 | 47.1% |
| Cohabiting couple | 1,389 | 9.4% |
| Male householder, no spouse | 2,268 | 15.4% |
| Female householder, no spouse | 4,137 | 28.1% |
| Households with children under 18 | 5,686 | 38.6% |
| Households with seniors (65+) | 3,404 | 23.1% |
| Average household size | 2.68 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 36.9% | 32.1% |
| Married | 51.9% | 44.5% |
| Separated | 2.3% | 1.8% |
| Widowed | 0.9% | 7.1% |
| Divorced | 8.0% | 14.4% |
Education
Less than 9th grade
5.4%
Some HS, no diploma
4.5%
HS graduate
22.6%
Some college, no degree
18.4%
Associate's degree
7.8%
Bachelor's degree
24.8%
Graduate / professional
16.5%
| Metric | % |
|---|---|
| HS diploma or higher | 90.1% |
| Bachelor's or higher | 41.3% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 775 | 7.5% |
| Kindergarten | 648 | 6.3% |
| Elementary school | 3,911 | 37.8% |
| High school | 1,893 | 18.3% |
| College / grad school | 3,122 | 30.2% |
Employment
Industry of employment
Education & healthcare
20.7%
Professional & management
18.8%
Retail trade
12.6%
Construction
8.3%
Public administration
8.2%
Arts, food & hospitality
8.0%
Finance & real estate
6.4%
Manufacturing
5.5%
Transportation & utilities
4.1%
Other services
3.5%
Wholesale trade
1.5%
Information
1.5%
Agriculture & mining
0.8%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 47.0% |
| Service | 17.9% |
| Sales & office | 17.4% |
| Natural resources & construction | 7.8% |
| Production & transportation | 9.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.5% |
| Government | 18.3% |
| Self-employed | 2.9% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.4% |
| Carpool | 10.0% |
| Public transit | 1.9% |
| Walk | 0.3% |
| Work from home | 12.4% |
| Other means | 2.0% |
| Avg commute (minutes) | 33.3 |
Poverty
All people
7.6%
Under 18 years
9.6%
18 and over
6.9%
Married-couple families
1.2%
Female-led households
26.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 22.7% |
| Retirement income | 18.6% |
| Supplemental Security | 4.0% |
| Cash public assistance | 1.9% |
| Food stamps / SNAP | 7.4% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 32.8% |
| High blood pressure | 27.9% |
| High cholesterol | 30.7% |
| Diabetes | 8.6% |
| Heart disease | 4.1% |
| Stroke | 2.1% |
| Asthma | 9.8% |
| Arthritis | 18.4% |
| Kidney disease | 2.1% |
| Pulmonary disease | 4.4% |
| Cancer | 4.9% |
| Behavior / access | % |
|---|---|
| Smoking | 13.6% |
| Binge drinking | 17.0% |
| No physical activity | 20.6% |
| Less than 7 hrs sleep | 33.3% |
| Depression | 19.4% |
| Fair or poor health | 10.6% |
| Poor mental health | 14.5% |
| Poor physical health | 7.4% |
| No health insurance | 12.2% |
| Visited doctor (checkup) | 73.5% |
| Visited dentist | 65.4% |
| Cholesterol screening | 90.3% |
| Teeth loss | 9.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,680 | 5.6% |
| Disability | % |
|---|---|
| Any disability | 7.7% |
| Under 18 | 3.9% |
| 18–64 years | 6.5% |
| 65 and over | 23.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 76.4% |
| Public insurance | 27.2% |
| No insurance | 6.7% |
| Uninsured under 19 | 3.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 36,469 | 92.1% |
| Spanish | 4,226 | 11.6% |
| Other Indo-European | 2,763 | 7.6% |
| Asian & Pacific Islander | 558 | 1.5% |
| Other languages | 810 | 2.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 31,141 | 78.6% |
| Born in same state | 30,625 | 77.3% |
| Born in different state | 17,813 | 45.0% |
| Foreign born | 516 | 1.3% |
| Naturalized citizen | 8,465 | 21.4% |
| Not a US citizen | 4,132 | 48.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,036 | 10.2% |
| French | 3,521 | 8.9% |
| Arab | 1,375 | 3.5% |
| Irish | 369 | 0.9% |
| English | 275 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| German | 95 | 0.2% |
| Polish | 81 | 0.2% |
| Norwegian | 77 | 0.2% |
| Dutch | 26 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 37.2% |
| Internet access | 98.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21703
What city is ZIP code 21703 in?
ZIP code 21703 is primarily assigned to Frederick, Maryland.
What county is ZIP code 21703 in?
ZIP code 21703 falls within Frederick County, Maryland.
What is the typical home value in ZIP code 21703?
The median home value in ZIP code 21703 is $343,900.
What is the median household income in ZIP code 21703?
The median household income in ZIP code 21703 is $103,028, above the national median of ~$75,000.
What is the population of ZIP code 21703?
ZIP code 21703 has an estimated population of 39,606 residents, with a density of 1,237 people per square mile.
What timezone is ZIP code 21703 in?
ZIP code 21703 observes the EST timezone.