Cecil County vs St. Mary's County

A side-by-side comparison of Cecil County and St. Mary's County: population, income, housing, and more.

Cecil County and St. Mary's County are counties in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

St. Mary's County has the higher population (114,372 vs 104,366 in Cecil County). St. Mary's County has the higher median household income ($114,580 vs $91,146 in Cecil County). St. Mary's County has the higher median home value ($390,900 vs $311,800 in Cecil County).

Population, income & housing

	Cecil County	St. Mary's County
Population	104,366	114,372
Median age	40.8 yrs	37.0 yrs
Median household income	$91,146	$114,580
Median home value	$311,800	$390,900
Median gross rent	$1,367	$1,692
Housing units	44,159	46,078
Homeownership rate	75.3%	72.6%
Bachelor's degree or higher	26.9%	35.1%
Unemployment rate	4.6%	3.8%

Trends (ACS 5-year, 2019–2023)

	Cecil County	St. Mary's County
Population	102,552 → 104,366 (+1.8%)	112,290 → 114,372 (+1.9%)
Median household income	$76,887 → $91,146 (+18.5%)	$89,845 → $114,580 (+27.5%)
Median home value	$242,700 → $311,800 (+28.5%)	$301,300 → $390,900 (+29.7%)
Median gross rent	$1,126 → $1,367 (+21.4%)	$1,398 → $1,692 (+21.0%)

Cecil County

Population

102,552104,366

Median household income

$76,887$91,146

Median home value

$242,700$311,800

Median gross rent

$1,126$1,367

St. Mary's County

Population

112,290114,372

Median household income

$89,845$114,580

Median home value

$301,300$390,900

Median gross rent

$1,398$1,692

Age & race/ethnicity

Age distribution (share)

	Cecil County	St. Mary's County
Under 5	5.7%	6.1%
5 to 17	16.7%	17.9%
18 to 24	7.8%	8.8%
25 to 34	12.6%	14.0%
35 to 44	12.1%	13.6%
45 to 54	13.5%	12.3%
55 to 64	15.1%	13.5%
65 to 74	10.4%	8.4%
75 and over	6.2%	5.3%

Race & ethnicity (share)

	Cecil County	St. Mary's County
White (non-Hispanic)	81.4%	71.0%
Black or African American	6.9%	14.6%
American Indian & Alaska Native	0.1%	0.1%
Asian	1.3%	2.5%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.4%	0.3%
Two or more races	4.5%	5.6%
Hispanic or Latino	5.4%	5.9%

Educational attainment (age 25+)

Share of adults 25+

	Cecil County	St. Mary's County
No high school diploma	8.5%	7.6%
High school graduate	35.8%	28.6%
Some college or associate's	28.8%	28.6%
Bachelor's degree	16.0%	20.0%
Graduate or professional degree	10.9%	15.1%

Commute to work

How workers get to work (share)

	Cecil County	St. Mary's County
Drove alone	76.1%	75.0%
Carpooled	9.6%	5.4%
Public transit	0.5%	1.0%
Walked	1.8%	2.4%
Bicycle	0.1%	0.1%
Worked from home	10.4%	15.3%
Other means	1.5%	0.8%

Housing

Units in structure (share)

	Cecil County	St. Mary's County
1-unit, detached	72.0%	73.3%
1-unit, attached	8.6%	9.9%
2 to 4 units	4.8%	2.0%
5 to 19 units	6.5%	6.8%
20 or more units	2.9%	4.7%
Mobile home & other	5.2%	3.4%

Poverty & households

	Cecil County	St. Mary's County
Poverty rate	10.9%	7.4%
Average household size	2.56	2.68
Mean commute (minutes)	29	30
Median year structure built	1987	1992