California ZIP Codes — Saint Marys County, MD

There is one unique ZIP code in California, Maryland and it is 20619. Area code: 301.
1
ZIP codes
16.06
sq mi land
1.47
sq mi water
301
area code
California, MD ZIP code map

About California, MD

California, MD is a charming community located in the southern part of Maryland. Nestled in Saint Marys County, this city combines a serene atmosphere with access to modern amenities. Its location offers both the tranquility of suburban life and convenient access to metropolitan areas.

Location & geography

California, MD is situated approximately 60 miles south of Washington, D.C., making it an ideal spot for commuters. Nearby cities include Leonardtown, which is about 10 miles northeast, Great Mills roughly 5 miles to the north, and San Francisco, which is approximately 61 miles south. The land area of California encompasses 16.06 square miles, while its water area covers 1.47 square miles, providing a mix of both terrestrial and aquatic landscapes.

Community & economy

The character of California, MD is defined by its close-knit community and family-friendly environment. The city's economy is driven largely by sectors such as retail and services, catering to both local residents and visitors. Daily life here features a blend of outdoor recreation, community events, and a strong sense of neighborliness among its residents.

Transportation

California, MD is easily accessible via major highways, including Maryland Route 246, which connects to other key roads in the region. The nearest airport is the Leonardtown Airport, located a short distance away, while larger flights can be found at area airports serving the Washington, D.C. region. Local transit services are limited but do connect residents to the surrounding areas.

History

California, MD was founded in the early 20th century and has developed primarily as a residential community. Historically, the area has relied on agriculture and small business to sustain its economy, with a strong reliance on the nearby naval base for employment. Notable events have included the area's transition from a rural agricultural community to a suburban area with an expanding population.

Did you know?

A little-known fact about California, MD is that it shares its name with the more famous state of California, despite its much smaller size. The city offers scenic views and is known for its proximity to beautiful waterways, making it a hidden gem in Maryland.

ZIP codes for California, MD (1)
ZIP code City County Map
20619 California Saint Marys View map

Demographics & statistics

13,925
Population
34.8
Median age
$110,960
Median household income
$56,353
Per capita income
$364,600
Median home value
$1,829
Median monthly rent
61.3%
Home ownership
7.2%
Poverty rate
1.7%
Unemployment
3,592
Housing units
51.0%
Bachelor's or higher

Age distribution

Male Female
298
Under 5
315
541
5–9
574
558
10–14
591
652
15–19
690
323
20–24
342
1,028
25–34
1,089
945
35–44
1,001
932
45–54
987
359
55–59
381
421
60–64
447
462
65–74
490
175
75–84
186
67
85+
71
← Male
Female →

Age summary

GroupCount%
Under 183,83927.6%
18 and over10,08672.4%
65 and over1,45110.4%
Median age34.8 years

Race & ethnicity

White 68.3%
Black or African American 11.5%
Hispanic or Latino 7.5%
Two or more races 6.2%
Other race 4.6%
Asian 1.8%
American Indian / Alaska Native 0.1%
GroupCount%
White10,28568.3%
Black or African American1,72811.5%
Hispanic or Latino1,1337.5%
Two or more races9386.2%
Other race6864.6%
Asian2711.8%
American Indian / Alaska Native170.1%

Household income

Under $10k 2.7%
$10k–$15k 1.5%
$15k–$25k 3.5%
$25k–$35k 3.8%
$35k–$50k 4.0%
$50k–$75k 12.5%
$75k–$100k 15.7%
$100k–$150k 23.9%
$150k–$200k 14.9%
$200k+ 17.4%
Range% of households
Under $10k2.7%
$10k–$15k1.5%
$15k–$25k3.5%
$25k–$35k3.8%
$35k–$50k4.0%
$50k–$75k12.5%
$75k–$100k15.7%
$100k–$150k23.9%
$150k–$200k14.9%
$200k+17.4%
Median income$110,960

Housing

Home values

Under $50k 1.3%
$50k–$100k 0.6%
$100k–$150k 4.7%
$150k–$200k 6.5%
$200k–$300k 21.9%
$300k–$500k 49.1%
$500k–$1M 13.0%
$1M+ 2.8%

Housing overview

MetricValue
Median home value$364,600
Median rent / month$1,829
Owner occupied61.3%
Renter occupied38.7%
Vacant4.6%
Single-family detached57.6%
Large apartment buildings5.2%
Mobile homes0.2%
Median rooms6.4
Avg household size (owned)2.53

Year built

Era%
2020 or later1.5%
2010–201929.1%
2000–200925.4%
1990–199913.7%
1980–198916.4%
1970–19795.6%
1960–19694.3%
1950–19592.8%
1940–19490.6%
1939 or earlier0.6%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom6.7%
2 bedrooms19.7%
3 bedrooms37.2%
4 bedrooms29.1%
5+ bedrooms7.4%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle29.8%
2 vehicles46.8%
3 or more21.8%

Heating fuel

Fuel type%
Utility gas32.9%
Electricity53.8%
Propane / LP gas5.3%
Fuel oil5.6%
Wood0.5%
Solar0.6%
No fuel used0.8%

Households & families

Household typeCount%
Married-couple family2,58547.6%
Cohabiting couple4568.4%
Male householder, no spouse94717.4%
Female householder, no spouse1,44526.6%
Households with children under 182,30242.4%
Households with seniors (65+)1,06719.6%
Average household size2.56

Marital status

StatusMaleFemale
Never married40.0%27.6%
Married49.4%49.2%
Separated0.2%1.5%
Widowed0.2%6.3%
Divorced10.3%15.5%

Education

Less than 9th grade 1.2%
Some HS, no diploma 1.4%
HS graduate 20.3%
Some college, no degree 17.3%
Associate's degree 8.8%
Bachelor's degree 28.0%
Graduate / professional 23.0%
Metric%
HS diploma or higher97.4%
Bachelor's or higher51.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2004.7%
Kindergarten2967.0%
Elementary school1,61738.0%
High school1,13026.6%
College / grad school1,00923.7%

Employment

Industry of employment

Public administration 23.1%
Education & healthcare 20.4%
Professional & management 20.3%
Construction 7.3%
Arts, food & hospitality 6.4%
Retail trade 6.1%
Finance & real estate 5.2%
Transportation & utilities 3.8%
Other services 3.1%
Manufacturing 2.9%
Agriculture & mining 0.5%
Information 0.5%
Wholesale trade 0.3%

Occupation

Category%
Management, business & arts59.7%
Service13.8%
Sales & office10.1%
Natural resources & construction10.1%
Production & transportation6.3%

Employment type

Type%
Private sector56.8%
Government39.5%
Self-employed3.4%
Unpaid family workers0.2%

Commute

Method%
Drive alone84.1%
Carpool2.7%
Public transit0.2%
Walk0.2%
Other means0.9%
Avg commute (minutes)29.8

Poverty

All people 7.2%
Under 18 years 9.2%
18 and over 6.5%
Married-couple families 1.7%
Female-led households 21.1%

Income support

Source% of households
Social Security17.1%
Retirement income29.3%
Supplemental Security2.8%
Cash public assistance1.5%
Food stamps / SNAP3.5%

Health indicators

Condition%
High blood pressure29.6%
High cholesterol30.8%
Heart disease4.2%
Stroke2.0%
Asthma9.6%
Arthritis21.0%
Kidney disease2.0%
Pulmonary disease4.5%
Cancer5.2%
Behavior / access%
Binge drinking17.0%
No physical activity19.0%
Less than 7 hrs sleep35.6%
Fair or poor health9.6%
Poor mental health13.9%
Poor physical health7.1%
No health insurance9.4%
Visited doctor (checkup)74.6%
Visited dentist70.4%
Cholesterol screening91.1%
Teeth loss9.3%

Veterans & disability

VeteransCount%
Civilian veterans1,61616.8%
Disability%
Any disability8.2%
Under 183.5%
18–64 years6.5%
65 and over30.4%

Health insurance coverage

Type%
Private insurance86.5%
Public insurance22.8%
Uninsured under 190.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only13,31295.6%
Spanish3632.7%
Other Indo-European2752.1%
Asian & Pacific Islander880.7%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)12,90292.7%
Born in same state12,74591.5%
Born in different state5,35638.5%
Foreign born1571.1%
Naturalized citizen1,0237.3%
Not a US citizen54052.8%

Ancestry

AncestryCount%
Italian1,88113.5%
French1,62611.7%
Arab5934.3%
English2982.1%
AncestryCount%
Polish1961.4%
Irish890.6%
German710.5%

Technology access

Metric% of households
Computer access39.0%
Internet access97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does California, MD have?
California, MD has one ZIP code: 20619. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Maryland ZIP code database? Download all MD ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →