21701 ZIP Code — Frederick, MD
Frederick County, Maryland
ZIP code 21701 is located in Frederick, Maryland, within Frederick County. It covers approximately 39.70 square miles and serves a population of 40,787 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.
About ZIP code 21701
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $384,700. Owner-occupancy sits near the national average at 66%.
Median household income is $97,769. 30% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is high — 48% of residents hold a bachelor's degree or higher, well above the national average of 33%.
40,787
population
39.70
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21701 ZIP code map
Cities in ZIP code 21701
Below are the cities the US Postal Service accepts for ZIP code 21701. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Frederick | Acceptable |
| Frederick | Preferred |
Nearby ZIP codes
21793 Walkersville (2.1 mi)
21774 New Market (5 mi)
21709 Frederick (5.2 mi)
21798 Woodsboro (5.9 mi)
21702 Frederick (6.5 mi)
21704 Frederick (8.5 mi)
21770 Monrovia (9.1 mi)
21791 Union Bridge (9.4 mi)
21703 Frederick (9.6 mi)
21788 Thurmont (10.1 mi)
21778 Rocky Ridge (10.2 mi)
21757 Keymar (10.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 40,787 |
| Population density | 1,027 / sq mi |
| State FIPS | 24 |
| County FIPS | 021 |
| Geography | |
|---|---|
| Land area | 39.70 sq mi |
| Water area | 0.59 sq mi |
| Latitude | 39.4642 |
| Longitude | -77.3384 |
| Timezone | Eastern (ET) |
| Area code | 240/301 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.8% | 22.0% | 28.2% |
| $50k – $100k | 34.5% | 27.2% | 28.2% |
| $100k – $200k | 32.3% | 36.5% | 30.1% |
| Over $200k | 9.4% | 14.3% | 13.4% |
Demographics & statistics
40,787
Population
1,027
People per sq mi
39.2
Median age
$97,769
Median household income
$52,111
Per capita income
$384,700
Median home value
$1,519
Median monthly rent
66.3%
Home ownership
7.8%
Poverty rate
4.1%
Unemployment
12,661
Housing units
48.4%
Bachelor's or higher
Age distribution
Male
Female
1,106
Under 5
1,183
935
5–9
1,000
1,108
10–14
1,186
983
15–19
1,052
1,256
20–24
1,344
3,134
25–34
3,352
2,610
35–44
2,791
2,653
45–54
2,837
1,127
55–59
1,206
1,221
60–64
1,306
2,097
65–74
2,243
998
75–84
1,067
479
85+
513
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 7,678 | 18.8% |
| 18 and over | 33,109 | 81.2% |
| 65 and over | 7,397 | 18.1% |
| Median age | 39.2 years | |
Race & ethnicity
White
73.3%
Black or African American
11.7%
Two or more races
7%
Hispanic or Latino
3.7%
Asian
2.6%
Other race
1.4%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 31,046 | 73.3% |
| Black or African American | 4,956 | 11.7% |
| Two or more races | 2,981 | 7% |
| Hispanic or Latino | 1,556 | 3.7% |
| Asian | 1,107 | 2.6% |
| Other race | 588 | 1.4% |
| American Indian / Alaska Native | 94 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 23.8% | 22.0% | 28.2% |
| $50k – $100k | 34.5% | 27.2% | 28.2% |
| $100k – $200k | 32.3% | 36.5% | 30.1% |
| Over $200k | 9.4% | 14.3% | 13.4% |
Under $10k
2.5%
$10k–$15k
2.4%
$15k–$25k
3.9%
$25k–$35k
4.8%
$35k–$50k
6.4%
$50k–$75k
15.8%
$75k–$100k
16.8%
$100k–$150k
19.9%
$150k–$200k
12.3%
$200k+
15.2%
| Range | % of households |
|---|---|
| Under $10k | 2.5% |
| $10k–$15k | 2.4% |
| $15k–$25k | 3.9% |
| $25k–$35k | 4.8% |
| $35k–$50k | 6.4% |
| $50k–$75k | 15.8% |
| $75k–$100k | 16.8% |
| $100k–$150k | 19.9% |
| $150k–$200k | 12.3% |
| $200k+ | 15.2% |
| Median income | $97,769 |
Housing
Home values
Under $50k
0.9%
$50k–$100k
0.2%
$100k–$150k
1.1%
$150k–$200k
4.4%
$200k–$300k
20.0%
$300k–$500k
50.0%
$500k–$1M
22.2%
$1M+
1.1%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $384,700 |
| Median rent / month | $1,519 |
| Owner occupied | 66.3% |
| Renter occupied | 33.7% |
| Vacant | 6.1% |
| Single-family detached | 40.3% |
| Large apartment buildings | 9.3% |
| Mobile homes | 0.1% |
| Median rooms | 6.1 |
| Avg household size (owned) | 2.48 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.6% |
| 2010–2019 | 10.8% |
| 2000–2009 | 11.2% |
| 1990–1999 | 19.6% |
| 1980–1989 | 11.8% |
| 1970–1979 | 5.4% |
| 1960–1969 | 8.2% |
| 1950–1959 | 7.6% |
| 1940–1949 | 3.2% |
| 1939 or earlier | 21.6% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.4% |
| 1 bedroom | 12.9% |
| 2 bedrooms | 25.2% |
| 3 bedrooms | 34.0% |
| 4 bedrooms | 21.2% |
| 5+ bedrooms | 5.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 7.2% |
| 1 vehicle | 33.8% |
| 2 vehicles | 36.8% |
| 3 or more | 22.2% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 46.6% |
| Electricity | 41.3% |
| Propane / LP gas | 1.5% |
| Fuel oil | 8.8% |
| Wood | 1.3% |
| Solar | 0.2% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 7,406 | 42.6% |
| Cohabiting couple | 1,524 | 8.8% |
| Male householder, no spouse | 3,327 | 19.1% |
| Female householder, no spouse | 5,146 | 29.6% |
| Households with children under 18 | 4,624 | 26.6% |
| Households with seniors (65+) | 5,276 | 30.3% |
| Average household size | 2.28 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 39.4% | 30.8% |
| Married | 48.5% | 43.5% |
| Separated | 0.9% | 1.5% |
| Widowed | 2.0% | 8.4% |
| Divorced | 9.2% | 15.8% |
Education
Less than 9th grade
1.8%
Some HS, no diploma
3.2%
HS graduate
21.9%
Some college, no degree
16.7%
Associate's degree
8.1%
Bachelor's degree
25.8%
Graduate / professional
22.6%
| Metric | % |
|---|---|
| HS diploma or higher | 95.0% |
| Bachelor's or higher | 48.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 406 | 4.5% |
| Kindergarten | 431 | 4.8% |
| Elementary school | 3,303 | 36.7% |
| High school | 1,704 | 19.0% |
| College / grad school | 3,144 | 35.0% |
Employment
Industry of employment
Education & healthcare
24.4%
Professional & management
18.9%
Retail trade
10.9%
Construction
8.5%
Arts, food & hospitality
8.0%
Public administration
7.2%
Finance & real estate
7.1%
Other services
4.6%
Manufacturing
3.9%
Transportation & utilities
3.8%
Information
1.8%
Wholesale trade
0.7%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 51.7% |
| Service | 14.1% |
| Sales & office | 19.1% |
| Natural resources & construction | 7.2% |
| Production & transportation | 7.9% |
Employment type
| Type | % |
|---|---|
| Private sector | 74.1% |
| Government | 20.4% |
| Self-employed | 5.4% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 67.8% |
| Carpool | 7.6% |
| Public transit | 1.7% |
| Walk | 4.0% |
| Work from home | 16.3% |
| Other means | 2.5% |
| Avg commute (minutes) | 29.1 |
Poverty
All people
7.8%
Under 18 years
7.9%
18 and over
7.8%
Married-couple families
1.9%
Female-led households
19.9%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.2% |
| Retirement income | 24.3% |
| Supplemental Security | 2.6% |
| Cash public assistance | 2.1% |
| Food stamps / SNAP | 8.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.6% |
| High blood pressure | 31.0% |
| High cholesterol | 33.8% |
| Diabetes | 9.5% |
| Heart disease | 5.2% |
| Stroke | 2.5% |
| Asthma | 9.7% |
| Arthritis | 22.0% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.0% |
| Cancer | 6.6% |
| Behavior / access | % |
|---|---|
| Smoking | 11.8% |
| Binge drinking | 16.3% |
| No physical activity | 18.8% |
| Less than 7 hrs sleep | 31.0% |
| Depression | 19.3% |
| Fair or poor health | 10.1% |
| Poor mental health | 13.4% |
| Poor physical health | 7.5% |
| No health insurance | 8.9% |
| Visited doctor (checkup) | 75.8% |
| Visited dentist | 69.8% |
| Cholesterol screening | 92.2% |
| Teeth loss | 8.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 2,643 | 8.0% |
| Disability | % |
|---|---|
| Any disability | 13.4% |
| Under 18 | 6.7% |
| 18–64 years | 11.2% |
| 65 and over | 28.4% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 79.2% |
| Public insurance | 33.4% |
| No insurance | 3.9% |
| Uninsured under 19 | 0.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 38,498 | 94.4% |
| Spanish | 1,091 | 2.8% |
| Other Indo-European | 584 | 1.5% |
| Asian & Pacific Islander | 148 | 0.4% |
| Other languages | 311 | 0.8% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 37,221 | 91.3% |
| Born in same state | 36,576 | 89.7% |
| Born in different state | 19,603 | 48.1% |
| Foreign born | 645 | 1.6% |
| Naturalized citizen | 3,566 | 8.7% |
| Not a US citizen | 2,137 | 59.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 5,935 | 14.6% |
| French | 5,630 | 13.8% |
| Arab | 1,858 | 4.6% |
| Irish | 370 | 0.9% |
| English | 330 | 0.8% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 253 | 0.6% |
| German | 101 | 0.2% |
| Norwegian | 99 | 0.2% |
| Dutch | 69 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.7% |
| Internet access | 96.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21701
What city is ZIP code 21701 in?
ZIP code 21701 is primarily assigned to Frederick, Maryland.
What county is ZIP code 21701 in?
ZIP code 21701 falls within Frederick County, Maryland.
How educated is the population of ZIP code 21701?
48% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 21701?
The median home value in ZIP code 21701 is $384,700.
What is the population of ZIP code 21701?
ZIP code 21701 has an estimated population of 40,787 residents, with a density of 1,027 people per square mile.
What is the median household income in ZIP code 21701?
The median household income in ZIP code 21701 is $97,769, above the national median of ~$75,000.
What timezone is ZIP code 21701 in?
ZIP code 21701 observes the EST timezone.