Calvert County, Maryland

MD · FIPS 24009 Republican

Located in Maryland, Calvert County has a population of 94,313 residents and a median age of 40.8 years, making it the #651 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 3.9%. The median home value is $460,200, and the median household income is $133,922, which is 78% above the national median.

94,313
Population
#651 of 3,222
$133,922
Median Income
+78.2% #22 of 3,222
40.8 years
Median Age
+4.9% #1,864 of 3,222
3.9%
Poverty Rate
-69.3% #7 of 3,222

Demographics

Calvert County has a population of 94,313, making it the #651 most populous county in the US. The median age is 40.8 years, which is 4.9% above the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

96.0%
Native Born
4.0%
Foreign Born

Geographic Mobility (Past Year)

Economy

The median household income in Calvert County is $133,922, ranking #22 out of 3,222 counties — 78.2% above the national median. The poverty rate is 3.9% and unemployment stands at 2.6%.

Income#22
$133,922
+78.2%
vs nation
99th percentile
Per Capita#91
$57,710
+39.9%
vs nation
97th percentile
Poverty#7
3.9%
-69.3%
vs nation
100th percentile
Unemployment#509
2.6%
-50.4%
vs nation
84th percentile

Income Distribution

Industry of Employment

Occupation

Housing

The median home value in Calvert County is $460,200 (+63.2% vs national). Renters pay a median of $1,759/mo and the homeownership rate is 87.2%.

Home Value#179
$460,200
+63.2%
vs nation
94th percentile
Rent#112
$1,759
+51.2%
vs nation
97th percentile
Homeownership#50
87.2%
+35.4%
vs nation
98th percentile

Household Type

Education

In Calvert County, 37.0% of adults age 25+ hold a bachelor's degree or higher, which is 9.8% above the national average, ranking #377 out of 3,222 counties.

Bachelor's Degree or Higher
37.0% +9.8% vs nation
Rank #377 of 3,222
88th percentile

Bachelor's Degree or Higher Trend

Rankings →

Health & Wellbeing

Life expectancy in Calvert County is 78.7 years. 12.0% of adults report poor or fair health and 4.4% lack health insurance. Data from County Health Rankings (2025).

Life Expectancy#477
78.7
+4.7%
vs nation
85th percentile
Poor/Fair Health#65
12.0%
-38.7%
vs nation
98th percentile
Diabetes#629
9.2%
-17.4%
vs nation
80th percentile
Insufficient Sleep#1,390
36.9%
-1.1%
vs nation
56th percentile
Poor Mental Health Days#582
5.1
-9.6%
vs nation
82th percentile
Poor Physical Health Days#243
3.6
-20.1%
vs nation
92th percentile
Uninsured Rate#72
4.4%
-58.3%
vs nation
98th percentile
Physical Inactivity#146
18.1%
-31.4%
vs nation
95th percentile
Food Insecurity#206
9.5%
-34.1%
vs nation
94th percentile

Substance Use

10.7% of adults in Calvert County smoke , 33.9% are obese , and 20.0% report excessive drinking. The drug overdose death rate is 33.7 per 100,000.

Adult Smoking#87
10.7%
-40.4%
vs nation
97th percentile
Adult Obesity#552
33.9%
-10.6%
vs nation
83th percentile
Excessive Drinking#1,593
20.0%
+0.8%
vs nation
49th percentile
Drug Overdose Deaths#1,343
33.7
+4.3%
vs nation
37th percentile

Safety

The homicide rate in Calvert County is 1.7 per 100,000 and the suicide rate is 9.6 per 100,000. Motor vehicle deaths occur at a rate of 11.9 per 100,000.

Homicide Rate#60
1.7
-78.8%
vs nation
96th percentile
Suicide Rate#103
9.6
-51.2%
vs nation
96th percentile
Firearm Fatalities#168
7.5
-58.0%
vs nation
93th percentile
Motor Vehicle Deaths#559
11.9
-41.4%
vs nation
80th percentile

Families & Children

6.4% of children in Calvert County live in poverty and the infant mortality rate is 4.9 per 1,000 live births. The teen birth rate is 7.4 per 1,000 females age 15–19.

Infant Mortality#264
4.9
-27.5%
vs nation
81th percentile
Teen Birth Rate#216
7.4
-66.2%
vs nation
93th percentile
Child Poverty#62
6.4%
-66.3%
vs nation
98th percentile

Civic & Transportation

Voter turnout in Calvert County is 70.2%. The mean commute time is 43.0 min, which is 55.9% above the national average.

Voter Turnout
70.2% NaN% vs nation
Rank #NaN of NaN
th percentile

Voter Turnout Trend

Mean Commute Time
43.0 min +55.9% vs nation
Rank #28 of 3,222
99th percentile

Mean Commute Time Trend

Rankings →

Elections

In the 2024 presidential election, Calvert County voted Republican with a margin of 11.0%. The vote was 43.5% Dem / 54.5% Rep. Compared to 2020, the margin shifted 5.4 toward Republicans .

2024 REP +11.0%
43.5% 54.5%
Dem 53,882 votes Rep
2020 REP +5.6%
46% 51.6%
Dem 49,112 votes Rep
2016 REP +18.4%
38.4% 56.8%
Dem 43,445 votes Rep
2012 REP +8.2%
45% 53.2%
Dem 42,168 votes Rep
2008 REP +6.3%
46.1% 52.4%
Dem 44,057 votes Rep

Vote Share Over Time

About Calvert County, Maryland

Calvert County, Maryland has a total population of 94,313, making it the 651st most populous county in the United States. The median age in Calvert County is 40.8 years, which is 4.9% above the national median of 38.9 years.

The median household income in Calvert County is $133,922, which ranks #22 of 3,222 counties nationwide. This is 78.2% above the national median of $75,149. The poverty rate is 3.9%, lower than the national rate of 12.6%. The unemployment rate stands at 2.6%.

The median home value in Calvert County is $460,200, 63.2% above the national median. Renters in Calvert County pay a median gross rent of $1,759 per month. The homeownership rate is 87.2%, compared to the national rate of 64.4%.

In Calvert County, 37.0% of residents aged 25 and older hold a bachelor's degree or higher, 9.8% above the national average of 33.7%. Health insurance coverage stands at 97.0% of the population. The average commute time for workers is 43.0 min.

Calvert County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 73.6% of the population, followed by Black (non-Hispanic) (11.9%) and Two or More Races (6.6%).

All data for Calvert County, Maryland comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.