21716 ZIP Code — Brunswick, MD
Frederick County, Maryland
ZIP code 21716 is located in Brunswick, Maryland, within Frederick County. It covers approximately 2.73 square miles and serves a population of 6,630 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 301/240.
About ZIP code 21716
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 $289,500. Owner-occupancy is high at 82%, well above the national average.
Median household income is $100,043. The poverty rate of 7% 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 40 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.
6,630
population
2.73
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
21716 ZIP code map
Cities in ZIP code 21716
Below are the cities the US Postal Service accepts for ZIP code 21716. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Brunswick | Acceptable |
| Brunswick | Preferred |
Nearby ZIP codes
20180 Lovettsville (3.3 mi)
21755 Jefferson (3.5 mi)
21758 Knoxville (3.8 mi)
20104 Dulles (4.6 mi)
20103 Dulles (4.6 mi)
21718 Burkittsville (5.5 mi)
21777 Point Of Rocks (5.5 mi)
21790 Tuscarora (7.3 mi)
21779 Rohrersville (7.5 mi)
20197 Waterford (8.6 mi)
21769 Middletown (9.2 mi)
21703 Frederick (9.3 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 6,630 |
| Population density | 2,429 / sq mi |
| State FIPS | 24 |
| County FIPS | 021 |
| Geography | |
|---|---|
| Land area | 2.73 sq mi |
| Water area | 0.30 sq mi |
| Latitude | 39.3164 |
| Longitude | -77.6223 |
| Timezone | Eastern (ET) |
| Area code | 301/240 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.9% | 22.0% | 28.2% |
| $50k – $100k | 28.4% | 27.2% | 28.2% |
| $100k – $200k | 23.8% | 36.5% | 30.1% |
| Over $200k | 10.8% | 14.3% | 13.4% |
Demographics & statistics
6,630
Population
2,429
People per sq mi
36.6
Median age
$100,043
Median household income
$46,167
Per capita income
$289,500
Median home value
$1,039
Median monthly rent
81.7%
Home ownership
6.6%
Poverty rate
5.3%
Unemployment
2,289
Housing units
31.8%
Bachelor's or higher
Age distribution
Male
Female
181
Under 5
183
200
5–9
202
196
10–14
198
285
15–19
288
169
20–24
172
539
25–34
546
429
35–44
434
518
45–54
525
210
55–59
212
210
60–64
212
238
65–74
241
98
75–84
100
22
85+
22
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,548 | 23.3% |
| 18 and over | 5,082 | 76.7% |
| 65 and over | 721 | 10.9% |
| Median age | 36.6 years | |
Race & ethnicity
White
67.3%
Two or more races
12.5%
Black or African American
10.4%
Hispanic or Latino
7.1%
Asian
1.8%
Other race
0.8%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 4,800 | 67.3% |
| Two or more races | 889 | 12.5% |
| Black or African American | 743 | 10.4% |
| Hispanic or Latino | 504 | 7.1% |
| Asian | 127 | 1.8% |
| Other race | 56 | 0.8% |
| American Indian / Alaska Native | 15 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 36.9% | 22.0% | 28.2% |
| $50k – $100k | 28.4% | 27.2% | 28.2% |
| $100k – $200k | 23.8% | 36.5% | 30.1% |
| Over $200k | 10.8% | 14.3% | 13.4% |
Under $10k
8.3%
$10k–$15k
0.7%
$15k–$25k
1.5%
$25k–$35k
3.8%
$35k–$50k
12.0%
$50k–$75k
11.1%
$75k–$100k
12.6%
$100k–$150k
23.6%
$150k–$200k
13.3%
$200k+
13.1%
| Range | % of households |
|---|---|
| Under $10k | 8.3% |
| $10k–$15k | 0.7% |
| $15k–$25k | 1.5% |
| $25k–$35k | 3.8% |
| $35k–$50k | 12.0% |
| $50k–$75k | 11.1% |
| $75k–$100k | 12.6% |
| $100k–$150k | 23.6% |
| $150k–$200k | 13.3% |
| $200k+ | 13.1% |
| Median income | $100,043 |
Housing
Home values
Under $50k
1.6%
$50k–$100k
0.7%
$100k–$150k
3.3%
$150k–$200k
11.4%
$200k–$300k
36.9%
$300k–$500k
29.1%
$500k–$1M
17.0%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $289,500 |
| Median rent / month | $1,039 |
| Owner occupied | 81.7% |
| Renter occupied | 18.3% |
| Vacant | 4.1% |
| Single-family detached | 68.1% |
| Large apartment buildings | 2.6% |
| Mobile homes | 0.4% |
| Median rooms | 6.6 |
| Avg household size (owned) | 2.51 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.3% |
| 2010–2019 | 22.4% |
| 2000–2009 | 6.0% |
| 1990–1999 | 8.6% |
| 1980–1989 | 9.1% |
| 1970–1979 | 14.5% |
| 1960–1969 | 3.9% |
| 1950–1959 | 3.4% |
| 1940–1949 | 2.0% |
| 1939 or earlier | 28.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.6% |
| 1 bedroom | 3.8% |
| 2 bedrooms | 10.2% |
| 3 bedrooms | 52.7% |
| 4 bedrooms | 29.4% |
| 5+ bedrooms | 3.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.0% |
| 1 vehicle | 35.9% |
| 2 vehicles | 35.1% |
| 3 or more | 25.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 20.6% |
| Electricity | 63.3% |
| Propane / LP gas | 0.3% |
| Fuel oil | 14.4% |
| Wood | 0.7% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,331 | 49.9% |
| Cohabiting couple | 224 | 8.4% |
| Male householder, no spouse | 430 | 16.1% |
| Female householder, no spouse | 680 | 25.5% |
| Households with children under 18 | 840 | 31.5% |
| Households with seniors (65+) | 493 | 18.5% |
| Average household size | 2.49 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.3% | 30.7% |
| Married | 51.7% | 50.1% |
| Separated | 1.7% | 1.7% |
| Widowed | 2.8% | 3.6% |
| Divorced | 8.5% | 13.9% |
Education
Less than 9th grade
2.0%
Some HS, no diploma
5.4%
HS graduate
30.5%
Some college, no degree
22.2%
Associate's degree
8.1%
Bachelor's degree
18.7%
Graduate / professional
13.1%
| Metric | % |
|---|---|
| HS diploma or higher | 92.7% |
| Bachelor's or higher | 31.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 58 | 3.6% |
| Kindergarten | 127 | 8.0% |
| Elementary school | 555 | 34.8% |
| High school | 604 | 37.9% |
| College / grad school | 250 | 15.7% |
Employment
Industry of employment
Professional & management
19.1%
Education & healthcare
16.3%
Retail trade
11.0%
Finance & real estate
10.1%
Construction
7.9%
Public administration
7.5%
Manufacturing
7.2%
Wholesale trade
6.4%
Other services
5.2%
Transportation & utilities
3.8%
Arts, food & hospitality
3.7%
Information
1.4%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.0% |
| Service | 14.5% |
| Sales & office | 20.4% |
| Natural resources & construction | 11.5% |
| Production & transportation | 11.6% |
Employment type
| Type | % |
|---|---|
| Private sector | 80.0% |
| Government | 16.2% |
| Self-employed | 3.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 69.2% |
| Carpool | 10.7% |
| Public transit | 2.9% |
| Walk | 2.0% |
| Work from home | 14.4% |
| Other means | 0.9% |
| Avg commute (minutes) | 39.6 |
Poverty
All people
6.6%
Under 18 years
6.2%
18 and over
6.8%
Married-couple families
1.7%
Female-led households
19.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 19.5% |
| Retirement income | 18.9% |
| Supplemental Security | 6.8% |
| Cash public assistance | 2.3% |
| Food stamps / SNAP | 12.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 34.1% |
| High blood pressure | 32.0% |
| High cholesterol | 33.9% |
| Diabetes | 10.1% |
| Heart disease | 5.6% |
| Stroke | 2.7% |
| Asthma | 10.3% |
| Arthritis | 23.3% |
| Kidney disease | 2.6% |
| Pulmonary disease | 6.4% |
| Cancer | 6.2% |
| Behavior / access | % |
|---|---|
| Smoking | 15.9% |
| Binge drinking | 17.0% |
| No physical activity | 21.9% |
| Less than 7 hrs sleep | 32.8% |
| Depression | 21.4% |
| Fair or poor health | 12.3% |
| Poor mental health | 15.2% |
| Poor physical health | 9.0% |
| No health insurance | 10.4% |
| Visited doctor (checkup) | 74.5% |
| Visited dentist | 64.5% |
| Cholesterol screening | 90.7% |
| Teeth loss | 11.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 457 | 9.0% |
| Disability | % |
|---|---|
| Any disability | 12.1% |
| Under 18 | 6.8% |
| 18–64 years | 9.4% |
| 65 and over | 39.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 81.5% |
| Public insurance | 26.6% |
| No insurance | 2.4% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 6,266 | 94.5% |
| Spanish | 91 | 1.5% |
| Other Indo-European | 76 | 1.2% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 15 | 0.2% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 6,101 | 92.0% |
| Born in same state | 6,004 | 90.6% |
| Born in different state | 3,302 | 49.8% |
| Foreign born | 97 | 1.5% |
| Naturalized citizen | 529 | 8.0% |
| Not a US citizen | 375 | 70.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 880 | 13.3% |
| Italian | 638 | 9.6% |
| Arab | 398 | 6% |
| English | 44 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 36 | 0.5% |
| German | 20 | 0.3% |
| Dutch | 19 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.2% |
| Internet access | 94.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 21716
What city is ZIP code 21716 in?
ZIP code 21716 is primarily assigned to Brunswick, Maryland.
What county is ZIP code 21716 in?
ZIP code 21716 falls within Frederick County, Maryland.
Is ZIP code 21716 mostly owner-occupied?
82% of occupied units in ZIP code 21716 are owner-occupied, well above the national average.
What is the population of ZIP code 21716?
ZIP code 21716 has an estimated population of 6,630 residents, with a density of 2,428 people per square mile.
What is the median household income in ZIP code 21716?
The median household income in ZIP code 21716 is $100,043, above the national median of ~$75,000.
What is the typical home value in ZIP code 21716?
The median home value in ZIP code 21716 is $289,500.
What timezone is ZIP code 21716 in?
ZIP code 21716 observes the EST timezone.