PlainZIP

Frederick, MD · standard

ZIP Code 21701

Frederick County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

35,293
350/sq mi
$106,577
Median income
$435,000
Median home value
50.1%
Bachelor's or higher

The verdict

Frederick pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 15%
household income, US ZIPs
Top 17%
home value, US ZIPs
350
people per sq mi
66%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 21701 against every reporting US ZIP.

ZIP code 21701 is a densely settled ZIP (a standard USPS delivery area) in Frederick, Frederick County, Maryland, with 35,293 residents across 100.8 square miles, a density of 350 people per square mile, in the New York time zone.

ZIP 21701 lands in the middle-income range, with a median household income of $106,577 (7% below the Maryland average), while per-capita income is $60,194. Local economic indicators show a 7.1% poverty rate alongside 3.8% unemployment. The typical home here is valued at $435,000 (3% below the state average); renters pay a median of $1,672 monthly, and 66.2% of units are owner-occupied.

This is a highly-educated ZIP: 50.1% of adults hold a bachelor's degree or higher, the median age is 39.6, and the average commute is 29 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 21701, plus 6 more within Frederick County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 21701

Top 5 sectors by establishment count in Frederick, MD

Which industries have the most business establishments in ZIP 21701.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 21701, Frederick, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

35,293

Population

100.8

Area (sq mi)

350

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 21701?

39.6

Median Age

48.4%

Male

51.6%

Female

10.8%

Foreign-Born

White 69.7%
African American 11.4%
Asian 4.2%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 11.5%
Hispanic or Latino 9.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$106,577

Median Household Income

-7% vs state

$60,194

Per Capita Income

7.1%

Poverty Rate

3.8%

Unemployment Rate

28.5 min

Mean Commute Time

How ZIP 21701 ranks nationally

Frederick, MD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$106,577 Top 15% higher than 85% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.6%
Bachelor's Degree or Higher 50.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

19,513

Total Housing Units

18,651

Occupied Units

862

Vacant Units

2.24

Avg Household Size

Occupancy Type

Owner 66.2%
Renter 33.8%

$435,000

Median Home Value

-3% vs state

$1,672

Median Rent

1986

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+7.6%

YoY Change (2024)

298

HPI Index (2000 = 100)

+198%

Total Change Since 2000

Home values in ZIP 21701 have increased 7.6% over the past year (2024). Since 2000, this ZIP has seen +198% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.9% 206
2021 +10.4% 228
2022 +16.5% 265
2023 +4.4% 277
2024 +7.6% 298

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,616 business establishments in ZIP 21701, employing approximately 25,929 people with a combined annual payroll of $1,472,706,000.

1,616

Businesses

25,929

Employees

$1.5B

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 278 17.2%
Retail trade 200 12.4%
Health care and social assistance 200 12.4%
Accommodation and food services 161 10.0%
Other services (except public administration) 151 9.3%
Finance and insurance 121 7.5%
Construction 117 7.2%
Real estate and rental and leasing 77 4.8%
Wholesale trade 61 3.8%
Administrative and support and waste management and remediation services 59 3.6%
Manufacturing 54 3.3%
Transportation and warehousing 38 2.4%
Educational services 28 1.7%
Arts, entertainment, and recreation 28 1.7%
Information 27 1.7%
Management of companies and enterprises 9 0.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 21701 vs 21793 →

ZIP 21701 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 21701 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 21701 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 21701 ranks #9 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
21793 Walkersville, MD 9,775 3.2 mi
21774 New Market, MD 11,662 4.0 mi
21705 Frederick, MD 8 4.8 mi
21762 Libertytown, MD 249 5.3 mi
21798 Woodsboro, MD 2,345 6.5 mi
21704 Frederick, MD 13,321 6.7 mi
21754 Ijamsville, MD 6,323 7.8 mi
21702 Frederick, MD 38,847 6.9 mi
21770 Monrovia, MD 5,164 7.7 mi
21717 Buckeystown, MD 54 9.3 mi

More ZIP Codes in Frederick County

21702 standard
Frederick, MD
Pop: 38,847
21703 standard
Frederick, MD
Pop: 32,854
21771 standard
Mount Airy, MD
Pop: 29,563
21704 standard
Frederick, MD
Pop: 13,321
21774 standard
New Market, MD
Pop: 11,662
21788 standard
Thurmont, MD
Pop: 11,622

Related Areas

Frederick County Frederick, MD Maryland

Frequently Asked Questions

What county is ZIP code 21701 in? ▼
ZIP code 21701 (Frederick) is located in Frederick County, Maryland. Frederick County contains multiple ZIP codes, see the full list at /counties/frederick-md.
What is the population of ZIP code 21701? ▼
ZIP code 21701 in Frederick, MD has a population of 35,293 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 21701? ▼
The median household income in ZIP 21701 is $106,577, which is 40% above the national average of $76,288.
What is the average home value in ZIP 21701? ▼
The median home value in ZIP 21701 is $435,000, which is 56% above the national average of $278,155.
What is the demographic makeup of ZIP 21701? ▼
The largest racial group in ZIP 21701 is White at 69.7%. Hispanic or Latino residents make up 9.7% of the population.
How many businesses are in ZIP code 21701? ▼
ZIP code 21701 has 1,616 business establishments employing approximately 25,929 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 21701? ▼
The top industries by establishment count in ZIP 21701 are: Professional, scientific, and technical services (278), Retail trade (200), Health care and social assistance (200). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 21701? ▼
According to the FHFA House Price Index, home values in ZIP 21701 increased by 7.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 198%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 21701? ▼
In ZIP code 21701, 69.6% of residents aged 25+ have a high school diploma or higher, and 50.1% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 21701? ▼
The mean commute time for workers in ZIP code 21701 is 28.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 21701? ▼
In ZIP code 21701, approximately 66.2% of occupied housing units are owner-occupied and 33.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 21701? ▼
The poverty rate in ZIP code 21701 is 7.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.