California, MD · standard
ZIP Code 20619
St. Mary's County, Maryland - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 10,503
- 259/sq mi High-density area
- $119,432
- Median income Above-median income area
- $376,800
- Median home value Above-median home value
- 50.2%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
California pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 10%
- household income, US ZIPs
- Top 23%
- home value, US ZIPs
- 259
- people per sq mi
- 65%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 20619 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 20619 (California, MD) rose +7.2% from 2023 to 2024. The all-transactions index moved from 222.6 in 2023 to 238.6 in 2024 (2000 = 100).
ZIP code 20619 is a mid-sized community (a standard USPS delivery area) in California, St. Mary's County, Maryland, home to 10,503 residents across 40.6 square miles, a density of 259 people per square mile, in the New York time zone.
ZIP 20619 skews affluent, with a median household income of $119,432 (5% above the average Maryland ZIP), while per-capita income is $55,956. Both reported hardship measures are comparatively low in absolute terms: poverty is 7.1% and unemployment is 2.7%. Home values sit below the statewide ZIP benchmark: the median is $376,800 (16% below the average Maryland ZIP), and median rent is $2,129; owner occupancy is 64.5%.
This is a highly-educated ZIP: 50.2% of adults hold a bachelor's degree or higher, the median age is 36.6, and the average commute is 29 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in St. Mary's County, so 20619 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 20619
Top 5 sectors by establishment count in California, MD
Which industries have the most business establishments in ZIP 20619.
- Retail trade
Retail trade
75 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
67 establishments
- Accommodation and food services
Accommodation and food services
56 establishments
- Health care and social assistance
Health care and social assistance
39 establishments
- Other services (except public administration)
Other services (except public administration)
34 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 20619, California, MD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
10,503
Population
40.6
Area (sq mi)
259
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 20619?
36.6
Median Age
51.8%
Male
48.2%
Female
6.6%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$119,432
Median Household Income
+5% vs state ZIP avg
$55,956
Per Capita Income
7.1%
Poverty Rate
2.7%
Unemployment Rate
29.4 min
Mean Commute Time
How ZIP 20619 ranks among Maryland ZIPs
California, MD household income vs. every Maryland ZIP code
Median household income among 419 reporting Maryland ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$119,432 Top 39% higher than 61% of 419 Maryland ZIPs
Each bar is a $20K-wide band; taller bars hold more Maryland ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
6,040housing units
6,040
Total Housing Units
5,719
Occupied Units
321
Vacant Units
2.48
Avg Household Size
Occupancy Type
$376,800
Median Home Value
-16% vs state ZIP avg
$2,129
Median Rent
2002
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+7.2%
YoY Change (2024)
239
HPI Index (2000 = 100)
+139%
Total Change Since 2000
Home values in ZIP 20619 have increased 7.2% over the past year (2024). Since 2000, this ZIP has seen +139% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -0.5% | 163 |
| 2021 | +10.5% | 180 |
| 2022 | +6.3% | 191 |
| 2023 | +16.6% | 223 |
| 2024 | +7.2% | 239 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 352 business establishments in ZIP 20619, employing approximately 8,144 people with a combined annual payroll of $454,335,000.
352
Businesses
8,144
Employees
$454.3M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 75 | 21.3% |
| Professional, scientific, and technical services | 67 | 19.0% |
| Accommodation and food services | 56 | 15.9% |
| Health care and social assistance | 39 | 11.1% |
| Other services (except public administration) | 34 | 9.7% |
| Finance and insurance | 20 | 5.7% |
| Construction | 14 | 4.0% |
| Real estate and rental and leasing | 14 | 4.0% |
| Administrative and support and waste management and remediation services | 7 | 2.0% |
| Educational services | 7 | 2.0% |
| Arts, entertainment, and recreation | 6 | 1.7% |
| Information | 5 | 1.4% |
| Wholesale trade | 4 | 1.1% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 20619 vs 20620 →
ZIP 20619 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20650
Leonardtown (20650)
13,717 residents
- 20619
California (20619)
10,503 residents
- 20636
Hollywood (20636)
9,937 residents
- 20685
Saint Leonard (20685)
6,471 residents
- 20634
Great Mills (20634)
5,927 residents
- 20688 1,828
Solomons (20688)
1,828 residents
- 20620 1,443
Callaway (20620)
1,443 residents
- 20692 1,051
Valley Lee (20692)
1,051 residents
- 20670 1,014
Patuxent River (20670)
1,014 residents
What this shows Among its immediate neighbors, ZIP 20619 ranks #2 by population - useful context the national average alone can't give.
ZIP 20619 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 20692
Valley Lee (20692)
$201,250 median income
- 20620
Callaway (20620)
$165,972 median income
- 20636
Hollywood (20636)
$163,690 median income
- 20650
Leonardtown (20650)
$143,116 median income
- 20634
Great Mills (20634)
$139,375 median income
- 20690
Tall Timbers (20690)
$122,750 median income
- 20619
California (20619)
$119,432 median income
- 20685
Saint Leonard (20685)
$119,135 median income
- 20688
Solomons (20688)
$102,950 median income
What this shows By household income, ZIP 20619 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 20620 | Callaway, MD | 1,443 | 4.1 mi |
| 20634 | Great Mills, MD | 5,927 | 3.7 mi |
| 20688 | Solomons, MD | 1,828 | 4.4 mi |
| 20636 | Hollywood, MD | 9,937 | 4.8 mi |
| 20670 | Patuxent River, MD | 1,014 | 5.8 mi |
| 20629 | Dowell, MD | 535 | 5.1 mi |
| 20650 | Leonardtown, MD | 13,717 | 6.0 mi |
| 20690 | Tall Timbers, MD | 740 | 8.9 mi |
| 20692 | Valley Lee, MD | 1,051 | 7.5 mi |
| 20685 | Saint Leonard, MD | 6,471 | 9.9 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 20619, both outside MD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (10,503 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in St. Mary's County
Related Areas
Frequently Asked Questions
What county is ZIP code 20619 in?
ZIP code 20619 (California) is located in St. Mary's County, Maryland. St. Mary's County contains multiple ZIP codes, see the full list at /counties/st-marys-md.
What is the population of ZIP code 20619?
ZIP code 20619 in California, MD has a population of 10,503 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 20619?
The median household income in ZIP 20619 is $119,432, which is 57% above the national average of $76,288.
What is the average home value in ZIP 20619?
The median home value in ZIP 20619 is $376,800, which is 35% above the national average of $278,155.
What is the demographic makeup of ZIP 20619?
The largest racial group in ZIP 20619 is White at 68.8%. Hispanic or Latino residents make up 8.1% of the population.
How many businesses are in ZIP code 20619?
ZIP code 20619 has 352 business establishments employing approximately 8,144 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 20619?
The top industries by establishment count in ZIP 20619 are: Retail trade (75), Professional, scientific, and technical services (67), Accommodation and food services (56). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 20619?
According to the FHFA House Price Index, home values in ZIP 20619 increased by 7.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 139%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 20619?
In ZIP code 20619, 67.2% of residents aged 25+ have a high school diploma or higher, and 50.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 20619?
The mean commute time for workers in ZIP code 20619 is 29.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 20619?
In ZIP code 20619, approximately 64.5% of occupied housing units are owner-occupied and 35.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 20619?
The poverty rate in ZIP code 20619 is 7.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 20619's numbers, next.
- See how ZIP 20619 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where California, MD ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.