21090 ZIP Code
Linthicum Heights, Maryland
December 16, 2025
| ZIP Code: | 21090 |
| City/Town: | Linthicum Heights |
| County: | Anne Arundel |
| State: | Maryland |
| ZIP Type: | Standard |
| Population: | 10,346 |
| Median Household Income: | $118,048 |
| Per Capita Income: | $63,097 |
| Total Housing Units: | 4,203 |
| Median Home Value: | $371,000 |
| Land Area: | 6.6 sq miles
17.2 sq km |
| Water Area: | 0.1 sq miles
0.2 sq km |
| Coordinates: | 39.2096, -76.6647 |
Population Information (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 10,346 | -- | -- |
| Male: | 5,232 | 50.6% | 49.6% |
| Female: | 5,114 | 49.4% | 50.4% |
| Median Age: | 38.0 yrs | -- | 38.5 yrs |
| Under 5 years: | 687 | 6.6% | 5.7% |
| 5 to 9 years: | 643 | 6.2% | 6.0% |
| 10 to 14 years: | 534 | 5.2% | 6.5% |
| 15 to 19 years: | 669 | 6.5% | 6.6% |
| 20 to 24 years: | 449 | 4.3% | 6.7% |
| 25 to 34 years: | 1,749 | 16.9% | 13.7% |
| 35 to 44 years: | 1,350 | 13.0% | 12.9% |
| 45 to 54 years: | 1,287 | 12.4% | 12.4% |
| 55 to 59 years: | 565 | 5.5% | 6.5% |
| 60 to 64 years: | 718 | 6.9% | 6.4% |
| 65 to 74 years: | 999 | 9.7% | 9.7% |
| 75 to 84 years: | 382 | 3.7% | 4.8% |
| 85 years and over: | 314 | 3.0% | 2.0% |
Housing Information (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $371,000 | -- | $281,900 |
| Median rooms: | 7.1 | -- | 5.5 |
| Median rent: | $1,813 / mo. | -- | $1,268 / mo. |
| Total housing units: | 4,203 | -- | -- |
| Occupied housing units: | 3,926 | 93.4% | 38.0% |
| Vacant housing units: | 277 | 6.6% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 3,180 | 81.0% | 64.8% |
| Renter-occupied: | 746 | 19.0% | 35.2% |
Educational Attainment (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 7,364 | -- | -- |
| Less than 9th grade: | 145 | 2.0% | 4.7% |
| 9th to 12th grade, no diploma: | 299 | 4.1% | 6.1% |
| High school graduate: | 1,588 | 21.6% | 26.4% |
| Some college, no degree: | 1,568 | 21.3% | 19.7% |
| Associate degree: | 748 | 10.2% | 8.7% |
| Bachelor's degree: | 1,819 | 24.7% | 20.9% |
| Graduate or professional degree: | 1,197 | 16.3% | 13.7% |
| Percent high school graduate or higher: | -- | 94.0% | 89.1% |
| Percent bachelor's degree or higher: | -- | 41.0% | 34.3% |
Income Information (21090 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $118,048 / yr. | $75,149 / yr. |
| Mean household income: | $130,543 / yr. | $105,833 / yr. |
| Median family income: | $133,183 / yr. | $92,646 / yr. |
| Per capita income: | $63,097 / yr. | $41,261 / yr. |
Employment (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 5,769 | -- | 63.5% |
| Employed: | 5,568 | 97.6% | 96.4% |
| Unemployed: | 139 | 2.4% | 5.3% |
| Not in labor force: | 2,388 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 4,187 | 75.2% | 79.7% |
| Government workers: | 1,174 | 21.1% | 14.2% |
| Self-employed: | 199 | 3.6% | 5.9% |
| Unpaid family workers: | 8 | 0.1% | 0.1% |
Race & Ethnicity (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 8,700 | 84.1% | 61.6% |
| Black or African American: | 650 | 6.3% | 12.4% |
| American Indian/Alaska Native: | 0 | 0.0% | 1.1% |
| Asian: | 448 | 4.3% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 104 | 1.0% | 8.4% |
| Two or more races: | 444 | 4.3% | 10.2% |
| Hispanic or Latino (any race): | 369 | 3.6% | 18.7% |
| Mexican: | 307 | 3.0% | 11.2% |
| Puerto Rican: | 55 | 0.5% | 1.8% |
| Cuban: | 84 | 0.8% | 0.7% |
| Other Hispanic or Latino: | 56 | 0.5% | 5.0% |
| Not Hispanic or Latino: | 112 | 1.1% | 81.1% |
Income Distribution (21090 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 42 | 1.1% | 4.9% |
| $10,000 to $14,999: | 17 | 0.4% | 3.8% |
| $15,000 to $24,999: | 79 | 2.0% | 7.0% |
| $25,000 to $34,999: | 115 | 2.9% | 7.4% |
| $35,000 to $49,999: | 192 | 4.9% | 10.7% |
| $50,000 to $74,999: | 406 | 10.3% | 16.1% |
| $75,000 to $99,999: | 632 | 16.1% | 12.8% |
| $100,000 to $149,999: | 1,185 | 30.2% | 17.1% |
| $150,000 to $199,999: | 709 | 18.1% | 8.8% |
| $200,000 or more: | 549 | 14.0% | 11.4% |
Commute to Work (21090 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 4,399 | 79.0% | 67.8% |
| Carpooled: | 390 | 7.0% | 8.7% |
| Public transportation: | 94 | 1.7% | 4.2% |
| Walked: | 29 | 0.5% | 2.5% |
| Other means: | 28 | 0.5% | 0.9% |
| Worked from home: | 652 | 11.7% | 13.8% |
| Mean travel time to work: | 23.4 min | -- | 26.7 min |
Industry (21090 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 0 | 0.0% | 1.6% |
| Construction: | 369 | 6.6% | 6.9% |
| Manufacturing: | 557 | 10.0% | 10.0% |
| Wholesale trade: | 220 | 4.0% | 2.4% |
| Retail trade: | 289 | 5.2% | 11.0% |
| Transportation, warehousing, utilities: | 310 | 5.6% | 5.8% |
| Information: | 43 | 0.8% | 1.9% |
| Finance, insurance, real estate: | 357 | 6.4% | 6.7% |
| Professional, scientific, management: | 1,007 | 18.1% | 12.1% |
| Education, health care, social services: | 1,297 | 23.3% | 23.3% |
| Arts, entertainment, food services: | 483 | 8.7% | 9.0% |
| Other services: | 168 | 3.0% | 4.7% |
| Public administration: | 468 | 8.4% | 4.7% |
Poverty Status (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 4.4% | 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 (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 10,024 | 96.9% | 91.3% |
| Private health insurance: | 8,895 | 86.0% | 67.6% |
| Public health coverage: | 2,561 | 24.8% | 35.9% |
| Without health insurance: | 226 | 2.2% | 8.7% |
Benefits & Assistance (21090 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 3,285 | 83.7% | 77.4% |
| Social Security income: | 1,094 | 27.9% | 31.0% |
| Retirement income: | 1,076 | 27.4% | 21.8% |
| Supplemental Security Income (SSI): | 104 | 2.6% | 4.5% |
| Cash public assistance income: | 28 | 0.7% | 1.8% |
| SNAP (food stamps) benefits: | 124 | 3.2% | 11.4% |
Housing Types (21090 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 3,602 | 85.7% | 61.4% |
| 1-unit, attached: | 24 | 0.6% | 6.1% |
| 2 units: | 49 | 1.2% | 3.4% |
| 3 or 4 units: | 0 | 0.0% | 4.3% |
| 5 to 9 units: | 85 | 2.0% | 4.6% |
| 10 to 19 units: | 102 | 2.4% | 4.3% |
| 20 or more units: | 341 | 8.1% | 9.9% |
| Mobile home: | 0 | 0.0% | 5.8% |
| Boat, RV, van, etc.: | 0 | 0.0% | 0.1% |
Year Structure Built (21090 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 38 | 0.9% | 0.6% |
| Built 2010 to 2019: | 311 | 7.4% | 8.2% |
| Built 2000 to 2009: | 126 | 3.0% | 13.5% |
| Built 1990 to 1999: | 265 | 6.3% | 13.2% |
| Built 1980 to 1989: | 401 | 9.5% | 13.2% |
| Built 1970 to 1979: | 252 | 6.0% | 14.6% |
| Built 1960 to 1969: | 561 | 13.3% | 10.2% |
| Built 1950 to 1959: | 1,523 | 36.2% | 9.9% |
| Built 1940 to 1949: | 237 | 5.6% | 4.6% |
| Built 1939 or earlier: | 489 | 11.6% | 12.0% |
Bedrooms (21090 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 113 | 2.7% | 2.4% |
| 1 bedroom: | 242 | 5.8% | 3.0% |
| 2 bedrooms: | 447 | 10.6% | 9.1% |
| 3 bedrooms: | 1,789 | 42.6% | 15.9% |
| 4 bedrooms: | 1,383 | 32.9% | 18.8% |
| 5 or more bedrooms: | 229 | 5.4% | 17.6% |
Heating Fuel (21090 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 2,190 | 55.8% | 47.1% |
| Bottled, tank, or LP gas: | 65 | 1.7% | 4.9% |
| Electricity: | 1,277 | 32.5% | 40.2% |
| Fuel oil, kerosene, etc.: | 320 | 8.2% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 36 | 0.9% | 1.5% |
| Solar energy: | 10 | 0.3% | 0.1% |
| Other fuel: | 0 | 0.0% | 0.5% |
| No fuel used: | 28 | 0.7% | 0.2% |
Vehicles Available (21090 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 93 | 2.4% | 8.3% |
| 1 vehicle available: | 1,108 | 28.2% | 32.6% |
| 2 vehicles available: | 1,714 | 43.7% | 37.0% |
| 3 or more vehicles available: | 1,011 | 25.8% | 22.1% |
Home Value Distribution (21090 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 36 | 1.1% | 5.7% |
| $50,000 to $99,999: | 1 | 0.0% | 7.8% |
| $100,000 to $149,999: | 37 | 1.2% | 9.2% |
| $150,000 to $199,999: | 36 | 1.1% | 10.8% |
| $200,000 to $299,999: | 612 | 19.2% | 19.9% |
| $300,000 to $499,999: | 2,150 | 67.6% | 24.1% |
| $500,000 to $999,999: | 306 | 9.6% | 17.0% |
| $1,000,000 or more: | 2 | 0.1% | 5.6% |
Housing Costs (21090 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $2,109 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $616 / mo. | $584 / mo. |
| Median gross rent: | $1,813 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.73 | 2.53 |
| Average household size (renter-occupied): | 2.14 | 2.38 |
Households (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 3,926 | -- | -- |
| Married-couple households: | 2,148 | 54.7% | 47.5% |
| Cohabiting couple households: | 914 | 23.3% | 7.0% |
| Male householder, no spouse: | 646 | 16.5% | 5.4% |
| Female householder, no spouse: | 879 | 22.4% | 12.7% |
| Householder living alone: | 1,093 | 27.8% | 28.6% |
| 65 years and over living alone: | 1,217 | 31.0% | 11.8% |
| Average household size: | 2.62 | -- | 2.53 |
| Average family size: | 3.10 | -- | -- |
Marital Status (21090 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 4,304 | -- | -- |
| Never married: | 1,433 | 33.3% | 37.0% |
| Now married: | 2,245 | 52.2% | 49.5% |
| Separated: | 85 | 2.0% | 1.5% |
| Widowed: | 506 | 11.8% | 2.6% |
| Divorced: | 1,003 | 23.3% | 9.3% |
School Enrollment (21090 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 2,564 | -- | -- |
| Nursery school, preschool: | 150 | 5.9% | 5.8% |
| Kindergarten: | 72 | 2.8% | 5.0% |
| Elementary school (grades 1-8): | 1,047 | 40.8% | 40.5% |
| High school (grades 9-12): | 623 | 24.3% | 21.4% |
| College or graduate school: | 672 | 26.2% | 27.3% |
Veterans & Disability (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 7,883 | -- | -- |
| Veterans: | 875 | 11.1% | 6.3% |
| Civilian noninstitutionalized population: | 10,250 | -- | -- |
| With a disability: | 982 | 9.6% | 13.4% |
| Under 18 with disability: | 57 | 5.8% | 5.8% |
| 18 to 64 with disability: | 391 | 39.8% | 10.4% |
| 65 and over with disability: | 534 | 54.4% | 33.4% |
Mobility (Residence 1 Year Ago) (21090 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 9,239 | 89.3% | 86.9% |
| Different house: | 1,043 | 10.1% | 13.1% |
| Same county: | 476 | 45.6% | 7.0% |
| Different county: | 517 | 49.6% | 3.2% |
| Different state: | 358 | 34.3% | 2.5% |
| Abroad: | 50 | 4.8% | 0.4% |
Place of Birth (21090 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 9,806 | 94.8% | 86.2% |
| Foreign born: | 242 | 2.3% | 13.9% |
| Naturalized citizen: | 540 | 223.1% | 52.7% |
| Not a citizen: | 540 | 223.1% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 540 | 223.1% | 10.5% |
| Asia: | 88 | 36.4% | 31.3% |
| Africa: | 26 | 10.7% | 5.5% |
| Oceania: | 8 | 3.3% | 0.5% |
| Latin America: | 59 | 24.4% | 50.0% |
| Northern America: | 11 | 4.5% | 2.2% |
Language Spoken at Home (21090 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 9,659 | -- | -- |
| English only: | 9,009 | 93.3% | 78.3% |
| Language other than English: | 650 | 6.7% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 248 | 2.6% | 13.3% |
| Other Indo-European languages: | 263 | 2.7% | 3.5% |
| Asian/Pacific Island languages: | 120 | 1.2% | 3.5% |
| Other languages: | 19 | 0.2% | 1.0% |
Computers & Internet (21090 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 3,926 | 100.0% | 93.1% |
| Households with broadband internet: | 3,849 | 98.0% | 89.4% |
Linthicum Heights, MD21090