20659 ZIP Code
Mechanicsville, Maryland
December 16, 2025
| ZIP Code: | 20659 |
| City/Town: | Mechanicsville |
| County: | St. Mary's |
| State: | Maryland |
| ZIP Type: | Standard |
| Population: | 23,346 |
| Median Household Income: | $115,729 |
| Per Capita Income: | $61,691 |
| Total Housing Units: | 8,417 |
| Median Home Value: | $371,100 |
| Land Area: | 97.0 sq miles
251.2 sq km |
| Water Area: | 9.5 sq miles
24.6 sq km |
| Coordinates: | 38.4079, -76.7320 |
Population Information (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total Population: | 23,346 | -- | -- |
| Male: | 11,773 | 50.4% | 49.6% |
| Female: | 11,573 | 49.6% | 50.4% |
| Median Age: | 38.1 yrs | -- | 38.5 yrs |
| Under 5 years: | 1,694 | 7.3% | 5.7% |
| 5 to 9 years: | 1,947 | 8.3% | 6.0% |
| 10 to 14 years: | 1,613 | 6.9% | 6.5% |
| 15 to 19 years: | 1,479 | 6.3% | 6.6% |
| 20 to 24 years: | 1,353 | 5.8% | 6.7% |
| 25 to 34 years: | 2,548 | 10.9% | 13.7% |
| 35 to 44 years: | 3,183 | 13.6% | 12.9% |
| 45 to 54 years: | 2,988 | 12.8% | 12.4% |
| 55 to 59 years: | 1,490 | 6.4% | 6.5% |
| 60 to 64 years: | 1,516 | 6.5% | 6.4% |
| 65 to 74 years: | 1,961 | 8.4% | 9.7% |
| 75 to 84 years: | 1,236 | 5.3% | 4.8% |
| 85 years and over: | 338 | 1.4% | 2.0% |
Housing Information (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Median home value: | $371,100 | -- | $281,900 |
| Median rooms: | 7.2 | -- | 5.5 |
| Median rent: | $1,583 / mo. | -- | $1,268 / mo. |
| Total housing units: | 8,417 | -- | -- |
| Occupied housing units: | 7,995 | 95.0% | 38.0% |
| Vacant housing units: | 422 | 5.0% | 4.6% |
| Housing tenure: | -- | -- | -- |
| Owner-occupied: | 7,140 | 89.3% | 64.8% |
| Renter-occupied: | 855 | 10.7% | 35.2% |
Educational Attainment (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Population 25 years and over: | 15,260 | -- | -- |
| Less than 9th grade: | 583 | 3.8% | 4.7% |
| 9th to 12th grade, no diploma: | 975 | 6.4% | 6.1% |
| High school graduate: | 5,700 | 37.4% | 26.4% |
| Some college, no degree: | 3,247 | 21.3% | 19.7% |
| Associate degree: | 1,080 | 7.1% | 8.7% |
| Bachelor's degree: | 2,168 | 14.2% | 20.9% |
| Graduate or professional degree: | 1,507 | 9.9% | 13.7% |
| Percent high school graduate or higher: | -- | 89.8% | 89.1% |
| Percent bachelor's degree or higher: | -- | 24.1% | 34.3% |
Income Information (20659 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median household income: | $115,729 / yr. | $75,149 / yr. |
| Mean household income: | $132,579 / yr. | $105,833 / yr. |
| Median family income: | $135,957 / yr. | $92,646 / yr. |
| Per capita income: | $61,691 / yr. | $41,261 / yr. |
Employment (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| In labor force: | 11,737 | -- | 63.5% |
| Employed: | 11,227 | 96.2% | 96.4% |
| Unemployed: | 444 | 3.8% | 5.3% |
| Not in labor force: | 6,092 | -- | -- |
| Class of Worker: | -- | -- | -- |
| Private wage and salary: | 7,366 | 65.6% | 79.7% |
| Government workers: | 3,160 | 28.1% | 14.2% |
| Self-employed: | 587 | 5.2% | 5.9% |
| Unpaid family workers: | 114 | 1.0% | 0.1% |
Race & Ethnicity (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Race (one race): | -- | -- | -- |
| White: | 20,555 | 88.0% | 61.6% |
| Black or African American: | 1,577 | 6.8% | 12.4% |
| American Indian/Alaska Native: | 5 | 0.0% | 1.1% |
| Asian: | 81 | 0.3% | 6.0% |
| Native Hawaiian/Pacific Islander: | 0 | 0.0% | 0.2% |
| Some other race: | 193 | 0.8% | 8.4% |
| Two or more races: | 935 | 4.0% | 10.2% |
| Hispanic or Latino (any race): | 589 | 2.5% | 18.7% |
| Mexican: | 669 | 2.9% | 11.2% |
| Puerto Rican: | 159 | 0.7% | 1.8% |
| Cuban: | 49 | 0.2% | 0.7% |
| Other Hispanic or Latino: | 45 | 0.2% | 5.0% |
| Not Hispanic or Latino: | 416 | 1.8% | 81.1% |
Income Distribution (20659 zip code)
| Household Income | Households | Percent% | US AvgUS |
|---|---|---|---|
| Less than $10,000: | 346 | 4.3% | 4.9% |
| $10,000 to $14,999: | 111 | 1.4% | 3.8% |
| $15,000 to $24,999: | 343 | 4.3% | 7.0% |
| $25,000 to $34,999: | 224 | 2.8% | 7.4% |
| $35,000 to $49,999: | 551 | 6.9% | 10.7% |
| $50,000 to $74,999: | 1,067 | 13.3% | 16.1% |
| $75,000 to $99,999: | 799 | 10.0% | 12.8% |
| $100,000 to $149,999: | 1,747 | 21.9% | 17.1% |
| $150,000 to $199,999: | 1,215 | 15.2% | 8.8% |
| $200,000 or more: | 1,592 | 19.9% | 11.4% |
Commute to Work (20659 zip code)
| Commute Method | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Drove alone: | 8,552 | 76.2% | 67.8% |
| Carpooled: | 712 | 6.3% | 8.7% |
| Public transportation: | 284 | 2.5% | 4.2% |
| Walked: | 124 | 1.1% | 2.5% |
| Other means: | 66 | 0.6% | 0.9% |
| Worked from home: | 1,440 | 12.8% | 13.8% |
| Mean travel time to work: | 42.2 min | -- | 26.7 min |
Industry (20659 zip code)
| Industry Sector | Workers | Percent% | US AvgUS |
|---|---|---|---|
| Agriculture, forestry, fishing, mining: | 186 | 1.7% | 1.6% |
| Construction: | 1,537 | 13.7% | 6.9% |
| Manufacturing: | 515 | 4.6% | 10.0% |
| Wholesale trade: | 181 | 1.6% | 2.4% |
| Retail trade: | 1,129 | 10.1% | 11.0% |
| Transportation, warehousing, utilities: | 498 | 4.4% | 5.8% |
| Information: | 118 | 1.1% | 1.9% |
| Finance, insurance, real estate: | 493 | 4.4% | 6.7% |
| Professional, scientific, management: | 1,408 | 12.5% | 12.1% |
| Education, health care, social services: | 2,061 | 18.4% | 23.3% |
| Arts, entertainment, food services: | 624 | 5.6% | 9.0% |
| Other services: | 550 | 4.9% | 4.7% |
| Public administration: | 1,927 | 17.2% | 4.7% |
Poverty Status (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Poverty Rate: | -- | 7.1% | 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 (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| With health insurance: | 21,667 | 92.8% | 91.3% |
| Private health insurance: | 19,146 | 82.0% | 67.6% |
| Public health coverage: | 5,867 | 25.1% | 35.9% |
| Without health insurance: | 1,613 | 6.9% | 8.7% |
Benefits & Assistance (20659 zip code)
| Households with: | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Earnings: | 6,314 | 79.0% | 77.4% |
| Social Security income: | 2,296 | 28.7% | 31.0% |
| Retirement income: | 2,441 | 30.5% | 21.8% |
| Supplemental Security Income (SSI): | 208 | 2.6% | 4.5% |
| Cash public assistance income: | 108 | 1.4% | 1.8% |
| SNAP (food stamps) benefits: | 412 | 5.2% | 11.4% |
Housing Types (20659 zip code)
| Structure Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| 1-unit, detached: | 7,986 | 94.9% | 61.4% |
| 1-unit, attached: | 60 | 0.7% | 6.1% |
| 2 units: | 76 | 0.9% | 3.4% |
| 3 or 4 units: | 23 | 0.3% | 4.3% |
| 5 to 9 units: | 15 | 0.2% | 4.6% |
| 10 to 19 units: | 30 | 0.4% | 4.3% |
| 20 or more units: | 4 | 0.0% | 9.9% |
| Mobile home: | 201 | 2.4% | 5.8% |
| Boat, RV, van, etc.: | 22 | 0.3% | 0.1% |
Year Structure Built (20659 zip code)
| Year Built | Units | Percent% | US AvgUS |
|---|---|---|---|
| Built 2020 or later: | 22 | 0.3% | 0.6% |
| Built 2010 to 2019: | 764 | 9.1% | 8.2% |
| Built 2000 to 2009: | 1,123 | 13.3% | 13.5% |
| Built 1990 to 1999: | 1,911 | 22.7% | 13.2% |
| Built 1980 to 1989: | 1,867 | 22.2% | 13.2% |
| Built 1970 to 1979: | 1,748 | 20.8% | 14.6% |
| Built 1960 to 1969: | 279 | 3.3% | 10.2% |
| Built 1950 to 1959: | 270 | 3.2% | 9.9% |
| Built 1940 to 1949: | 177 | 2.1% | 4.6% |
| Built 1939 or earlier: | 256 | 3.0% | 12.0% |
Bedrooms (20659 zip code)
| Number of Bedrooms | Units | Percent% | US AvgUS |
|---|---|---|---|
| No bedroom (studio): | 0 | 0.0% | 2.4% |
| 1 bedroom: | 105 | 1.2% | 3.0% |
| 2 bedrooms: | 565 | 6.7% | 9.1% |
| 3 bedrooms: | 3,995 | 47.5% | 15.9% |
| 4 bedrooms: | 2,779 | 33.0% | 18.8% |
| 5 or more bedrooms: | 973 | 11.6% | 17.6% |
Heating Fuel (20659 zip code)
| Fuel Type | Units | Percent% | US AvgUS |
|---|---|---|---|
| Utility gas: | 59 | 0.7% | 47.1% |
| Bottled, tank, or LP gas: | 474 | 5.9% | 4.9% |
| Electricity: | 4,919 | 61.5% | 40.2% |
| Fuel oil, kerosene, etc.: | 1,796 | 22.5% | 4.2% |
| Coal or coke: | 0 | 0.0% | 0.1% |
| Wood: | 532 | 6.7% | 1.5% |
| Solar energy: | 14 | 0.2% | 0.1% |
| Other fuel: | 74 | 0.9% | 0.5% |
| No fuel used: | 127 | 1.6% | 0.2% |
Vehicles Available (20659 zip code)
| Vehicles | Households | Percent% | US AvgUS |
|---|---|---|---|
| No vehicle available: | 378 | 4.7% | 8.3% |
| 1 vehicle available: | 1,211 | 15.1% | 32.6% |
| 2 vehicles available: | 2,840 | 35.5% | 37.0% |
| 3 or more vehicles available: | 3,566 | 44.6% | 22.1% |
Home Value Distribution (20659 zip code)
| Value Range | Owner Units | Percent% | US AvgUS |
|---|---|---|---|
| Less than $50,000: | 109 | 1.5% | 5.7% |
| $50,000 to $99,999: | 61 | 0.9% | 7.8% |
| $100,000 to $149,999: | 105 | 1.5% | 9.2% |
| $150,000 to $199,999: | 165 | 2.3% | 10.8% |
| $200,000 to $299,999: | 1,323 | 18.5% | 19.9% |
| $300,000 to $499,999: | 3,948 | 55.3% | 24.1% |
| $500,000 to $999,999: | 1,325 | 18.6% | 17.0% |
| $1,000,000 or more: | 104 | 1.5% | 5.6% |
Housing Costs (20659 zip code)
| Value | US AvgUS | |
|---|---|---|
| Median owner costs (with mortgage): | $2,099 / mo. | $1,828 / mo. |
| Median owner costs (no mortgage): | $622 / mo. | $584 / mo. |
| Median gross rent: | $1,583 / mo. | $1,268 / mo. |
| Average household size (owner-occupied): | 2.89 | 2.53 |
| Average household size (renter-occupied): | 3.14 | 2.38 |
Households (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Total households: | 7,995 | -- | -- |
| Married-couple households: | 4,947 | 61.9% | 47.5% |
| Cohabiting couple households: | 2,211 | 27.7% | 7.0% |
| Male householder, no spouse: | 1,005 | 12.6% | 5.4% |
| Female householder, no spouse: | 1,594 | 19.9% | 12.7% |
| Householder living alone: | 2,862 | 35.8% | 28.6% |
| 65 years and over living alone: | 2,452 | 30.7% | 11.8% |
| Average household size: | 2.92 | -- | 2.53 |
| Average family size: | 3.38 | -- | -- |
Marital Status (20659 zip code)
| Population 15 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 8,922 | -- | -- |
| Never married: | 2,771 | 31.1% | 37.0% |
| Now married: | 5,107 | 57.2% | 49.5% |
| Separated: | 363 | 4.1% | 1.5% |
| Widowed: | 641 | 7.2% | 2.6% |
| Divorced: | 2,319 | 26.0% | 9.3% |
School Enrollment (20659 zip code)
| Population 3 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Enrolled in school: | 5,399 | -- | -- |
| Nursery school, preschool: | 395 | 7.3% | 5.8% |
| Kindergarten: | 481 | 8.9% | 5.0% |
| Elementary school (grades 1-8): | 2,657 | 49.2% | 40.5% |
| High school (grades 9-12): | 1,112 | 20.6% | 21.4% |
| College or graduate school: | 754 | 14.0% | 27.3% |
Veterans & Disability (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Civilian population 18 years and over: | 17,110 | -- | -- |
| Veterans: | 1,955 | 11.4% | 6.3% |
| Civilian noninstitutionalized population: | 23,280 | -- | -- |
| With a disability: | 2,205 | 9.5% | 13.4% |
| Under 18 with disability: | 259 | 11.7% | 5.8% |
| 18 to 64 with disability: | 961 | 43.6% | 10.4% |
| 65 and over with disability: | 985 | 44.7% | 33.4% |
Mobility (Residence 1 Year Ago) (20659 zip code)
| Population 1 year and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Same house: | 21,529 | 92.2% | 86.9% |
| Different house: | 1,653 | 7.1% | 13.1% |
| Same county: | 754 | 45.6% | 7.0% |
| Different county: | 899 | 54.4% | 3.2% |
| Different state: | 161 | 9.7% | 2.5% |
| Abroad: | 0 | 0.0% | 0.4% |
Place of Birth (20659 zip code)
| Number# | Percent% | US AvgUS | |
|---|---|---|---|
| Native born: | 22,975 | 98.4% | 86.2% |
| Foreign born: | 186 | 0.8% | 13.9% |
| Naturalized citizen: | 371 | 199.5% | 52.7% |
| Not a citizen: | 371 | 199.5% | 47.3% |
| Foreign-born by region: | -- | -- | -- |
| Europe: | 371 | 199.5% | 10.5% |
| Asia: | 69 | 37.1% | 31.3% |
| Africa: | 0 | 0.0% | 5.5% |
| Oceania: | 12 | 6.5% | 0.5% |
| Latin America: | 192 | 103.2% | 50.0% |
| Northern America: | 0 | 0.0% | 2.2% |
Language Spoken at Home (20659 zip code)
| Population 5 years and over | Number# | Percent% | US AvgUS |
|---|---|---|---|
| Total: | 21,652 | -- | -- |
| English only: | 20,329 | 93.9% | 78.3% |
| Language other than English: | 1,323 | 6.1% | 21.5% |
| By language: | -- | -- | -- |
| Spanish: | 240 | 1.1% | 13.3% |
| Other Indo-European languages: | 1,010 | 4.7% | 3.5% |
| Asian/Pacific Island languages: | 73 | 0.3% | 3.5% |
| Other languages: | 0 | 0.0% | 1.0% |
Computers & Internet (20659 zip code)
| Households | Percent% | US AvgUS | |
|---|---|---|---|
| Households with a computer: | 7,995 | 100.0% | 93.1% |
| Households with broadband internet: | 7,314 | 91.5% | 89.4% |
Mechanicsville, MD20659