21154 ZIP Code
Rocks, Maryland
December 10, 2025
| ZIP Code: | 21154 |
| City/Town: | Rocks |
| County: | Harford |
| State: | Maryland |
| Population: | 7,059 |
| Median Household Income: | $115,000 |
| Per Capita Income: | $55,273 |
| Total Housing Units: | 2,708 |
| Median Home Value: | $393,100 |
| Land Area: | 39.3 sq miles
101.9 sq km |
| Water Area: | 0.2 sq miles
0.4 sq km |
| Coordinates: | 39.6574, -76.3605 |
Population Information (21154 zip code)
| Number | Percent | |
|---|---|---|
| Total Population: | 7,059 | -- |
| Male: | 3,871 | 54.8% |
| Female: | 3,188 | 45.2% |
| Median Age: | 49.4 yrs | -- |
| Under 5 years: | 129 | 1.8% |
| 5 to 9 years: | 386 | 5.5% |
| 10 to 14 years: | 457 | 6.5% |
| 15 to 19 years: | 619 | 8.8% |
| 20 to 24 years: | 449 | 6.4% |
| 25 to 34 years: | 480 | 6.8% |
| 35 to 44 years: | 740 | 10.5% |
| 45 to 54 years: | 1,036 | 14.7% |
| 55 to 59 years: | 772 | 10.9% |
| 60 to 64 years: | 557 | 7.9% |
| 65 to 74 years: | 844 | 12.0% |
| 75 to 84 years: | 496 | 7.0% |
| 85 years and over: | 94 | 1.3% |
Housing Information (21154 zip code)
| Number | Percent | |
|---|---|---|
| Median home value: | $393,100 | -- |
| Median rooms: | 7.0 | -- |
| Median rent: | $1,503 / mo. | -- |
| Total housing units: | 2,708 | -- |
| Occupied housing units: | 2,376 | 87.7% |
| Vacant housing units: | 332 | 12.3% |
| Housing tenure: | -- | -- |
| Owner-occupied: | 2,145 | 90.3% |
| Renter-occupied: | 231 | 9.7% |
Educational Attainment (21154 zip code)
| Number | Percent | |
|---|---|---|
| Population 25 years and over: | 5,019 | -- |
| Less than 9th grade: | 75 | 1.5% |
| 9th to 12th grade, no diploma: | 273 | 5.4% |
| High school graduate: | 1,534 | 30.6% |
| Some college, no degree: | 1,049 | 20.9% |
| Associate degree: | 454 | 9.0% |
| Bachelor's degree: | 1,071 | 21.3% |
| Graduate or professional degree: | 563 | 11.2% |
| Percent high school graduate or higher: | -- | 93.1% |
| Percent bachelor's degree or higher: | -- | 32.6% |
Income Information (21154 zip code)
| Value | |
|---|---|
| Median household income: | $115,000 / yr. |
| Mean household income: | $137,804 / yr. |
| Median family income: | $125,160 / yr. |
| Per capita income: | $55,273 / yr. |
Employment (21154 zip code)
| Number | Percent | |
|---|---|---|
| In labor force: | 3,527 | -- |
| Employed: | 3,460 | 98.1% |
| Unemployed: | 67 | 1.9% |
| Not in labor force: | 2,413 | -- |
| Class of Worker: | -- | -- |
| Private wage and salary: | 2,735 | 79.0% |
| Government workers: | 571 | 16.5% |
| Self-employed: | 154 | 4.5% |
| Unpaid family workers: | 0 | 0.0% |
Race & Ethnicity (21154 zip code)
| Number | Percent | |
|---|---|---|
| Race (one race): | -- | -- |
| White: | 6,595 | 93.4% |
| Black or African American: | 262 | 3.7% |
| American Indian/Alaska Native: | 0 | 0.0% |
| Asian: | 40 | 0.6% |
| Native Hawaiian/Pacific Islander: | 19 | 0.3% |
| Some other race: | 0 | 0.0% |
| Two or more races: | 143 | 2.0% |
| Hispanic or Latino (any race): | 19 | 0.3% |
| Mexican: | 48 | 0.7% |
| Puerto Rican: | 19 | 0.3% |
| Cuban: | 19 | 0.3% |
| Other Hispanic or Latino: | 3 | 0.0% |
| Not Hispanic or Latino: | 7 | 0.1% |
Income Distribution (21154 zip code)
| Household Income | Households | Percent |
|---|---|---|
| Less than $10,000: | 109 | 4.6% |
| $10,000 to $14,999: | 42 | 1.8% |
| $15,000 to $24,999: | 112 | 4.7% |
| $25,000 to $34,999: | 71 | 3.0% |
| $35,000 to $49,999: | 149 | 6.3% |
| $50,000 to $74,999: | 324 | 13.6% |
| $75,000 to $99,999: | 268 | 11.3% |
| $100,000 to $149,999: | 372 | 15.7% |
| $150,000 to $199,999: | 359 | 15.1% |
| $200,000 or more: | 570 | 24.0% |
Commute to Work (21154 zip code)
| Commute Method | Workers | Percent |
|---|---|---|
| Drove alone: | 2,743 | 79.3% |
| Carpooled: | 153 | 4.4% |
| Public transportation: | 41 | 1.2% |
| Walked: | 26 | 0.8% |
| Other means: | 0 | 0.0% |
| Worked from home: | 456 | 13.2% |
| Mean travel time to work: | 35.8 min | -- |
Industry (21154 zip code)
| Industry Sector | Workers | Percent |
|---|---|---|
| Agriculture, forestry, fishing, mining: | 58 | 1.7% |
| Construction: | 509 | 14.7% |
| Manufacturing: | 306 | 8.8% |
| Wholesale trade: | 65 | 1.9% |
| Retail trade: | 527 | 15.2% |
| Transportation, warehousing, utilities: | 90 | 2.6% |
| Information: | 65 | 1.9% |
| Finance, insurance, real estate: | 153 | 4.4% |
| Professional, scientific, management: | 368 | 10.6% |
| Education, health care, social services: | 761 | 22.0% |
| Arts, entertainment, food services: | 182 | 5.3% |
| Other services: | 137 | 4.0% |
| Public administration: | 239 | 6.9% |
Poverty Status (21154 zip code)
| Number | Percent | |
|---|---|---|
| Poverty Rate: | -- | 7.5% |
| All people below poverty level: | -888,888,888 | -- |
| Under 18 years: | -888,888,888 | 100.0% |
| 18 to 64 years: | -888,888,888 | 100.0% |
| 65 years and over: | -888,888,888 | 100.0% |
Health Insurance (21154 zip code)
| Number | Percent | |
|---|---|---|
| With health insurance: | 6,953 | 98.5% |
| Private health insurance: | 5,525 | 78.3% |
| Public health coverage: | 2,528 | 35.8% |
| Without health insurance: | 86 | 1.2% |
Benefits & Assistance (21154 zip code)
| Households with: | Number | Percent |
|---|---|---|
| Earnings: | 1,907 | 80.3% |
| Social Security income: | 934 | 39.3% |
| Retirement income: | 685 | 28.8% |
| Supplemental Security Income (SSI): | 89 | 3.7% |
| Cash public assistance income: | 85 | 3.6% |
| SNAP (food stamps) benefits: | 163 | 6.9% |
Housing Types (21154 zip code)
| Structure Type | Units | Percent |
|---|---|---|
| 1-unit, detached: | 2,285 | 84.4% |
| 1-unit, attached: | 84 | 3.1% |
| 2 units: | 0 | 0.0% |
| 3 or 4 units: | 61 | 2.3% |
| 5 to 9 units: | 0 | 0.0% |
| 10 to 19 units: | 0 | 0.0% |
| 20 or more units: | 0 | 0.0% |
| Mobile home: | 264 | 9.7% |
| Boat, RV, van, etc.: | 14 | 0.5% |
Year Structure Built (21154 zip code)
| Year Built | Units | Percent |
|---|---|---|
| Built 2020 or later: | 0 | 0.0% |
| Built 2010 to 2019: | 196 | 7.2% |
| Built 2000 to 2009: | 586 | 21.6% |
| Built 1990 to 1999: | 440 | 16.2% |
| Built 1980 to 1989: | 521 | 19.2% |
| Built 1970 to 1979: | 258 | 9.5% |
| Built 1960 to 1969: | 139 | 5.1% |
| Built 1950 to 1959: | 129 | 4.8% |
| Built 1940 to 1949: | 61 | 2.3% |
| Built 1939 or earlier: | 378 | 14.0% |
Bedrooms (21154 zip code)
| Number of Bedrooms | Units | Percent |
|---|---|---|
| No bedroom (studio): | 14 | 0.5% |
| 1 bedroom: | 37 | 1.4% |
| 2 bedrooms: | 517 | 19.1% |
| 3 bedrooms: | 1,229 | 45.4% |
| 4 bedrooms: | 650 | 24.0% |
| 5 or more bedrooms: | 261 | 9.6% |
Heating Fuel (21154 zip code)
| Fuel Type | Units | Percent |
|---|---|---|
| Utility gas: | 271 | 11.4% |
| Bottled, tank, or LP gas: | 708 | 29.8% |
| Electricity: | 685 | 28.8% |
| Fuel oil, kerosene, etc.: | 548 | 23.1% |
| Coal or coke: | 0 | 0.0% |
| Wood: | 120 | 5.1% |
| Solar energy: | 0 | 0.0% |
| Other fuel: | 30 | 1.3% |
| No fuel used: | 14 | 0.6% |
Vehicles Available (21154 zip code)
| Vehicles | Households | Percent |
|---|---|---|
| No vehicle available: | 71 | 3.0% |
| 1 vehicle available: | 299 | 12.6% |
| 2 vehicles available: | 977 | 41.1% |
| 3 or more vehicles available: | 1,029 | 43.3% |
Home Value Distribution (21154 zip code)
| Value Range | Owner Units | Percent |
|---|---|---|
| Less than $50,000: | 155 | 7.2% |
| $50,000 to $99,999: | 11 | 0.5% |
| $100,000 to $149,999: | 22 | 1.0% |
| $150,000 to $199,999: | 79 | 3.7% |
| $200,000 to $299,999: | 323 | 15.1% |
| $300,000 to $499,999: | 821 | 38.3% |
| $500,000 to $999,999: | 680 | 31.7% |
| $1,000,000 or more: | 54 | 2.5% |
Housing Costs (21154 zip code)
| Value | |
|---|---|
| Median owner costs (with mortgage): | $2,547 / mo. |
| Median owner costs (no mortgage): | $622 / mo. |
| Median gross rent: | $1,503 / mo. |
| Average household size (owner-occupied): | 2.93 |
| Average household size (renter-occupied): | 3.18 |
Households (21154 zip code)
| Number | Percent | |
|---|---|---|
| Total households: | 2,376 | -- |
| Married-couple households: | 1,779 | 74.9% |
| Cohabiting couple households: | 500 | 21.0% |
| Male householder, no spouse: | 315 | 13.3% |
| Female householder, no spouse: | 189 | 8.0% |
| Householder living alone: | 705 | 29.7% |
| 65 years and over living alone: | 906 | 38.1% |
| Average household size: | 2.95 | -- |
| Average family size: | 3.23 | -- |
Marital Status (21154 zip code)
| Population 15 years and over | Number | Percent |
|---|---|---|
| Total: | 3,235 | -- |
| Never married: | 1,095 | 33.8% |
| Now married: | 1,904 | 58.9% |
| Separated: | 66 | 2.0% |
| Widowed: | 152 | 4.7% |
| Divorced: | 630 | 19.5% |
School Enrollment (21154 zip code)
| Population 3 years and over | Number | Percent |
|---|---|---|
| Enrolled in school: | 1,746 | -- |
| Nursery school, preschool: | 24 | 1.4% |
| Kindergarten: | 65 | 3.7% |
| Elementary school (grades 1-8): | 692 | 39.6% |
| High school (grades 9-12): | 542 | 31.0% |
| College or graduate school: | 423 | 24.2% |
Veterans & Disability (21154 zip code)
| Number | Percent | |
|---|---|---|
| Civilian population 18 years and over: | 5,613 | -- |
| Veterans: | 493 | 8.8% |
| Civilian noninstitutionalized population: | 7,039 | -- |
| With a disability: | 967 | 13.7% |
| Under 18 with disability: | 15 | 1.6% |
| 18 to 64 with disability: | 459 | 47.5% |
| 65 and over with disability: | 493 | 51.0% |
Mobility (Residence 1 Year Ago) (21154 zip code)
| Population 1 year and over | Number | Percent |
|---|---|---|
| Same house: | 6,708 | 95.0% |
| Different house: | 347 | 4.9% |
| Same county: | 168 | 48.4% |
| Different county: | 160 | 46.1% |
| Different state: | 27 | 7.8% |
| Abroad: | 19 | 5.5% |
Place of Birth (21154 zip code)
| Number | Percent | |
|---|---|---|
| Native born: | 6,994 | 99.1% |
| Foreign born: | 47 | 0.7% |
| Naturalized citizen: | 65 | 138.3% |
| Not a citizen: | 65 | 138.3% |
| Foreign-born by region: | -- | -- |
| Europe: | 65 | 138.3% |
| Asia: | 46 | 97.9% |
| Africa: | 0 | 0.0% |
| Oceania: | 0 | 0.0% |
| Latin America: | 0 | 0.0% |
| Northern America: | 4 | 8.5% |
Language Spoken at Home (21154 zip code)
| Population 5 years and over | Number | Percent |
|---|---|---|
| Total: | 6,930 | -- |
| English only: | 6,832 | 98.6% |
| Language other than English: | 98 | 1.4% |
| By language: | -- | -- |
| Spanish: | 9 | 0.1% |
| Other Indo-European languages: | 63 | 0.9% |
| Asian/Pacific Island languages: | 15 | 0.2% |
| Other languages: | 11 | 0.2% |
Computers & Internet (21154 zip code)
| Households | Percent | |
|---|---|---|
| Households with a computer: | 2,376 | 100.0% |
| Households with broadband internet: | 2,306 | 97.1% |
Rocks, MD21154