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ZIP code

21704

Frederick, MD

STANDARD

21704 covers Frederick in Frederick County, with 19,623 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

19,623

Median household income

$164,457

Median home value

$585,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 21704. Methodology

ZIP code map of 21704

Census ZCTA boundary for ZIP 21704 in Frederick, Maryland
Census ZCTA boundary for ZIP 21704 in Frederick, Maryland. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 21704

Type

STANDARD

City

Frederick

County

Frederick County

Timezone

America/New_York

Area codes

227, 240, 301

Land area

26.6 sq mi

Water area

0.17 sq mi

Households

6,230

Median gross rent

$2,395

Acceptable cities: Urbana

More enterprise fields

Timezone
America/New_York
Area Codes
227, 240, 301
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 21704. Not ACS. Methodology

People in 21704

Race

  • White11,245
  • Black or African American1,982
  • American Indian or Alaska Native74
  • Asian3,189
  • Native Hawaiian and Pacific Islander9
  • Other race727
  • Two or more races2,049

Hispanic or Latino (any race): 2,171

Age

  • Under 102,737
  • 10 to 193,609
  • 20 to 291,624
  • 30 to 392,436
  • 40 to 493,429
  • 50 to 592,703
  • 60 to 691,485
  • 70 to 79755
  • 80 and older497

Income and housing in 21704

Poverty rate

3.2%

Median earnings

$82,145

Median household income

$164,457

Median home value

$585,900

Median gross rent

$2,395

Education

  • High school graduate96.2%
  • Bachelor's degree58.1%
  • Graduate degree29.0%

Places covering 21704

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

13.4% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 21704

IRS populationACS population
24,26812,134020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200510,445
200610,774
200711,654
200812,242
200913,210
201014,035
201112,77814,484
201213,40714,710
201314,22215,060
201414,82015,220
201515,45515,400
201615,76416,210
201716,07616,970
201816,51817,990
201916,88719,090
202016,47820,690
202117,37221,610
202218,47322,470
202319,623

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 21704

12 nearest ZIP centroids (any distance)

  1. 21717Buckeystown3.2 miPop 296 · Income $153,030
  2. 21754Ijamsville3.6 miPop 7,439 · Income $179,797
  3. 21705Frederick4.2 miPop 4 · Income —
  4. 21710Adamstown4.4 miPop 4,901 · Income $164,727
  5. 21703Frederick5.3 miPop 41,766 · Income $105,293
  6. 21770Monrovia6.4 miPop 7,815 · Income $184,464
  7. 21701Frederick6.5 miPop 41,340 · Income $102,306
  8. 21774New Market6.6 miPop 16,515 · Income $171,875
  9. 21714Braddock Heights8.1 miPop 113 · Income $208,750
  10. 20871Clarksburg8.3 miPop 28,329 · Income $177,120
  11. 20838Barnesville9.0 miPop 409 · Income $223,571
  12. 21790Tuscarora9.3 miPop 38 · Income —

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 21704, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

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21704 Frederick, MD

Looking up ZIP codes within 2 miles of 21704 Frederick, MD, measured by centroid distance.

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ACS population

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Households

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Avg median income

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Avg median home

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ZIP code 21704 FAQ

What city is ZIP code 21704 in?
21704 is in Frederick, MD.
What county is 21704 in?
21704 is in Frederick County.
What is the median household income in 21704?
The median household income in 21704 is $164,457.
Which ZIP codes are near 21704?
Use the radius tool on this page to list ZIP codes within a chosen distance of 21704.