21704 ZIP Code
Frederick, Maryland
December 13, 2025
| ZIP Code: | 21704 |
| City/Town: | Frederick |
| County: | Frederick |
| State: | Maryland |
| ZIP Type: | Standard |
| Population: | 18,473 |
| Median Household Income: | $162,437 |
| Per Capita Income: | $79,540 |
| Total Housing Units: | 5,817 |
| Median Home Value: | $555,200 |
| Land Area: | 26.6 sq miles
69.0 sq km |
| Water Area: | 0.2 sq miles
0.4 sq km |
| Coordinates: | 39.3549, -77.3759 |
Population Information (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 18,473 | -- | -- |
| Male: | 9,753 | 52.8% | 49.6% |
| Female: | 8,720 | 47.2% | 50.4% |
| Median Age: | 37.4 yrs | -- | 38.5 yrs |
| Under 5 years: | 1,253 | 6.8% | 5.7% |
| 5 to 9 years: | 1,864 | 10.1% | 6.0% |
| 10 to 14 years: | 1,747 | 9.5% | 6.5% |
| 15 to 19 years: | 1,513 | 8.2% | 6.6% |
| 20 to 24 years: | 748 | 4.0% | 6.7% |
| 25 to 34 years: | 1,344 | 7.3% | 13.7% |
| 35 to 44 years: | 3,410 | 18.5% | 12.9% |
| 45 to 54 years: | 3,070 | 16.6% | 12.4% |
| 55 to 59 years: | 1,000 | 5.4% | 6.5% |
| 60 to 64 years: | 765 | 4.1% | 6.4% |
| 65 to 74 years: | 1,009 | 5.5% | 9.7% |
| 75 to 84 years: | 447 | 2.4% | 4.8% |
| 85 years and over: | 303 | 1.6% | 2.0% |
Housing Information (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $555,200 | -- | $281,900 |
| Median rooms: | 7.6 | -- | 5.5 |
| Median rent: | $2,298 / mo. | -- | $1,268 / mo. |
| Total housing units: | 5,817 | -- | -- |
| Occupied housing units: | 5,720 | 98.3% | 38.0% |
| Vacant housing units: | 97 | 1.7% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 4,565 | 79.8% | 64.8% |
| Renter-occupied: | 1,155 | 20.2% | 35.2% |
Educational Attainment (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 11,348 | -- | -- |
| Less than 9th grade: | 196 | 1.7% | 4.7% |
| 9th to 12th grade, no diploma: | 237 | 2.1% | 6.1% |
| High school graduate: | 2,119 | 18.7% | 26.4% |
| Some college, no degree: | 1,473 | 13.0% | 19.7% |
| Associate degree: | 682 | 6.0% | 8.7% |
| Bachelor's degree: | 3,399 | 30.0% | 20.9% |
| Graduate or professional degree: | 3,242 | 28.6% | 13.7% |
| Percent high school graduate or higher: | -- | 96.2% | 89.1% |
| Percent bachelor's degree or higher: | -- | 58.5% | 34.3% |
Income Information (21704 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $162,437 / yr. | $75,149 / yr. |
| Mean household income: | $185,101 / yr. | $105,833 / yr. |
| Median family income: | $177,985 / yr. | $92,646 / yr. |
| Per capita income: | $79,540 / yr. | $41,261 / yr. |
Employment (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 9,487 | -- | 63.5% |
| Employed: | 8,988 | 96.3% | 96.4% |
| Unemployed: | 350 | 3.7% | 5.3% |
| Not in labor force: | 3,651 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 6,683 | 74.4% | 79.7% |
| Government workers: | 1,869 | 20.8% | 14.2% |
| Self-employed: | 420 | 4.7% | 5.9% |
| Unpaid family workers: | 16 | 0.2% | 0.1% |
Race & Ethnicity (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 10,988 | 59.5% | 61.6% |
| Black or African American: | 2,136 | 11.6% | 12.4% |
| American Indian/Alaska Native: | 39 | 0.2% | 1.1% |
| Asian: | 2,684 | 14.5% | 6.0% |
| Native Hawaiian/Pacific Islander: | 40 | 0.2% | 0.2% |
| Some other race: | 298 | 1.6% | 8.4% |
| Two or more races: | 2,288 | 12.4% | 10.2% |
| Hispanic or Latino (any race): | 1,708 | 9.2% | 18.7% |
| Mexican: | 2,521 | 13.6% | 11.2% |
| Puerto Rican: | 249 | 1.3% | 1.8% |
| Cuban: | 295 | 1.6% | 0.7% |
| Other Hispanic or Latino: | 31 | 0.2% | 5.0% |
| Not Hispanic or Latino: | 1,946 | 10.5% | 81.1% |
Income Distribution (21704 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 137 | 2.4% | 4.9% |
| $10,000 to $14,999: | 41 | 0.7% | 3.8% |
| $15,000 to $24,999: | 28 | 0.5% | 7.0% |
| $25,000 to $34,999: | 86 | 1.5% | 7.4% |
| $35,000 to $49,999: | 311 | 5.4% | 10.7% |
| $50,000 to $74,999: | 305 | 5.3% | 16.1% |
| $75,000 to $99,999: | 462 | 8.1% | 12.8% |
| $100,000 to $149,999: | 1,148 | 20.1% | 17.1% |
| $150,000 to $199,999: | 1,104 | 19.3% | 8.8% |
| $200,000 or more: | 2,098 | 36.7% | 11.4% |
Commute to Work (21704 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 6,212 | 69.1% | 67.8% |
| Carpooled: | 468 | 5.2% | 8.7% |
| Public transportation: | 81 | 0.9% | 4.2% |
| Walked: | 63 | 0.7% | 2.5% |
| Other means: | 111 | 1.2% | 0.9% |
| Worked from home: | 2,031 | 22.6% | 13.8% |
| Mean travel time to work: | 37.3 min | -- | 26.7 min |
Industry (21704 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 39 | 0.4% | 1.6% |
| Construction: | 546 | 6.1% | 6.9% |
| Manufacturing: | 561 | 6.2% | 10.0% |
| Wholesale trade: | 256 | 2.8% | 2.4% |
| Retail trade: | 713 | 7.9% | 11.0% |
| Transportation, warehousing, utilities: | 202 | 2.2% | 5.8% |
| Information: | 167 | 1.9% | 1.9% |
| Finance, insurance, real estate: | 702 | 7.8% | 6.7% |
| Professional, scientific, management: | 2,248 | 25.0% | 12.1% |
| Education, health care, social services: | 1,755 | 19.5% | 23.3% |
| Arts, entertainment, food services: | 463 | 5.2% | 9.0% |
| Other services: | 373 | 4.1% | 4.7% |
| Public administration: | 963 | 10.7% | 4.7% |
Poverty Status (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 3.3% | 8.8% |
| All people below poverty level: | -- | -- | -- |
| Under 18 years: | -- | -- | 16.3% |
| 18 to 64 years: | -- | -- | 11.0% |
| 65 years and over: | -- | -- | 10.3% |
Health Insurance (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 17,501 | 94.7% | 91.3% |
| Private health insurance: | 15,961 | 86.4% | 67.6% |
| Public health coverage: | 3,194 | 17.3% | 35.9% |
| Without health insurance: | 546 | 3.0% | 8.7% |
Benefits & Assistance (21704 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 5,042 | 88.1% | 77.4% |
| Social Security income: | 1,131 | 19.8% | 31.0% |
| Retirement income: | 1,080 | 18.9% | 21.8% |
| Supplemental Security Income (SSI): | 45 | 0.8% | 4.5% |
| Cash public assistance income: | 137 | 2.4% | 1.8% |
| SNAP (food stamps) benefits: | 201 | 3.5% | 11.4% |
Housing Types (21704 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 3,223 | 55.4% | 61.4% |
| 1-unit, attached: | 1,979 | 34.0% | 6.1% |
| 2 units: | 60 | 1.0% | 3.4% |
| 3 or 4 units: | 10 | 0.2% | 4.3% |
| 5 to 9 units: | 10 | 0.2% | 4.6% |
| 10 to 19 units: | 123 | 2.1% | 4.3% |
| 20 or more units: | 347 | 6.0% | 9.9% |
| Mobile home: | 65 | 1.1% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (21704 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 242 | 4.2% | 0.6% |
| Built 2010 to 2019: | 1,551 | 26.7% | 8.2% |
| Built 2000 to 2009: | 2,536 | 43.6% | 13.5% |
| Built 1990 to 1999: | 434 | 7.5% | 13.2% |
| Built 1980 to 1989: | 254 | 4.4% | 13.2% |
| Built 1970 to 1979: | 213 | 3.7% | 14.6% |
| Built 1960 to 1969: | 199 | 3.4% | 10.2% |
| Built 1950 to 1959: | 121 | 2.1% | 9.9% |
| Built 1940 to 1949: | 106 | 1.8% | 4.6% |
| Built 1939 or earlier: | 161 | 2.8% | 12.0% |
Bedrooms (21704 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 127 | 2.2% | 2.4% |
| 1 bedroom: | 179 | 3.1% | 3.0% |
| 2 bedrooms: | 329 | 5.7% | 9.1% |
| 3 bedrooms: | 2,010 | 34.6% | 15.9% |
| 4 bedrooms: | 2,589 | 44.5% | 18.8% |
| 5 or more bedrooms: | 583 | 10.0% | 17.6% |
Heating Fuel (21704 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 3,677 | 64.3% | 47.1% |
| Bottled, tank, or LP gas: | 201 | 3.5% | 4.9% |
| Electricity: | 1,545 | 27.0% | 40.2% |
| Fuel oil, kerosene, etc.: | 231 | 4.0% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 50 | 0.9% | 1.5% |
| Solar energy: | 0 | 0.0% | 0.1% |
| Other fuel: | 0 | 0.0% | 0.5% |
| No fuel used: | 16 | 0.3% | 0.2% |
Vehicles Available (21704 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 279 | 4.9% | 8.3% |
| 1 vehicle available: | 1,201 | 21.0% | 32.6% |
| 2 vehicles available: | 2,631 | 46.0% | 37.0% |
| 3 or more vehicles available: | 1,609 | 28.1% | 22.1% |
Home Value Distribution (21704 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 33 | 0.7% | 5.7% |
| $50,000 to $99,999: | 8 | 0.2% | 7.8% |
| $100,000 to $149,999: | 6 | 0.1% | 9.2% |
| $150,000 to $199,999: | 36 | 0.8% | 10.8% |
| $200,000 to $299,999: | 171 | 3.7% | 19.9% |
| $300,000 to $499,999: | 1,557 | 34.1% | 24.1% |
| $500,000 to $999,999: | 2,666 | 58.4% | 17.0% |
| $1,000,000 or more: | 88 | 1.9% | 5.6% |
Housing Costs (21704 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $3,125 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $809 / mo. | $584 / mo. |
| Median gross rent: | $2,298 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 3.37 | 2.53 |
| Average household size (renter-occupied): | 2.43 | 2.38 |
Households (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 5,720 | -- | -- |
| Married-couple households: | 3,909 | 68.3% | 47.5% |
| Cohabiting couple households: | 2,560 | 44.8% | 7.0% |
| Male householder, no spouse: | 783 | 13.7% | 5.4% |
| Female householder, no spouse: | 754 | 13.2% | 12.7% |
| Householder living alone: | 3,275 | 57.3% | 28.6% |
| 65 years and over living alone: | 1,374 | 24.0% | 11.8% |
| Average household size: | 3.18 | -- | 2.53 |
| Average family size: | 3.51 | -- | -- |
Marital Status (21704 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 7,028 | -- | -- |
| Never married: | 2,005 | 28.5% | 37.0% |
| Now married: | 4,276 | 60.8% | 49.5% |
| Separated: | 131 | 1.9% | 1.5% |
| Widowed: | 533 | 7.6% | 2.6% |
| Divorced: | 1,424 | 20.3% | 9.3% |
School Enrollment (21704 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 5,974 | -- | -- |
| Nursery school, preschool: | 346 | 5.8% | 5.8% |
| Kindergarten: | 190 | 3.2% | 5.0% |
| Elementary school (grades 1-8): | 3,016 | 50.5% | 40.5% |
| High school (grades 9-12): | 1,478 | 24.7% | 21.4% |
| College or graduate school: | 944 | 15.8% | 27.3% |
Veterans & Disability (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 12,178 | -- | -- |
| Veterans: | 883 | 7.3% | 6.3% |
| Civilian noninstitutionalized population: | 18,047 | -- | -- |
| With a disability: | 1,146 | 6.4% | 13.4% |
| Under 18 with disability: | 130 | 11.3% | 5.8% |
| 18 to 64 with disability: | 451 | 39.4% | 10.4% |
| 65 and over with disability: | 565 | 49.3% | 33.4% |
Mobility (Residence 1 Year Ago) (21704 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 15,541 | 84.1% | 86.9% |
| Different house: | 2,510 | 13.6% | 13.1% |
| Same county: | 1,090 | 43.4% | 7.0% |
| Different county: | 1,306 | 52.0% | 3.2% |
| Different state: | 394 | 15.7% | 2.5% |
| Abroad: | 114 | 4.5% | 0.4% |
Place of Birth (21704 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 14,717 | 79.7% | 86.2% |
| Foreign born: | 363 | 2.0% | 13.9% |
| Naturalized citizen: | 3,756 | 1034.7% | 52.7% |
| Not a citizen: | 3,756 | 1034.7% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 3,756 | 1034.7% | 10.5% |
| Asia: | 465 | 128.1% | 31.3% |
| Africa: | 404 | 111.3% | 5.5% |
| Oceania: | 46 | 12.7% | 0.5% |
| Latin America: | 722 | 198.9% | 50.0% |
| Northern America: | 64 | 17.6% | 2.2% |
Language Spoken at Home (21704 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 17,220 | -- | -- |
| English only: | 12,396 | 72.0% | 78.3% |
| Language other than English: | 4,824 | 28.0% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 1,192 | 6.9% | 13.3% |
| Other Indo-European languages: | 1,569 | 9.1% | 3.5% |
| Asian/Pacific Island languages: | 1,697 | 9.9% | 3.5% |
| Other languages: | 366 | 2.1% | 1.0% |
Computers & Internet (21704 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 5,720 | 100.0% | 93.1% |
| Households with broadband internet: | 5,446 | 95.2% | 89.4% |
Frederick, MD21704