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Rosemont, MD
Key Indicators
A quick look at key numbers
Population
310
Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates
Median Age
56
years ∙ half population younger than 56, half older
Diversity Index
14.6%
chance two random people differ in race and ethnicity
Nativity
1.6%
foreign-born population
Geographic Context
Location, size, and surroundings
About
Rosemont is a village within Frederick County, Maryland, United States.
Co-ordinates
DEC39.333729° N, 77.622760° W
DMS39° 20′ 01.42″ N, 77° 37′ 21.94″ W
Population Density & area
557.6/sq mi
(215.1/km²)
Demographics & Living
Who lives here, how households are formed, and community composition
Population Composition
Key characteristics of the population
Sex Distribution
55.2%
male
Male
55.2%
Female
44.8%
males per 100 females
Rosemont
123
Frederick County
97.9
Maryland
94.8
Nativity
1.6%
foreign-born population
% Foreign-born
Rosemont
1.6%
Frederick County
13.8%
Maryland
16.6%
Age Distribution
How the population is spread across age groups
Median Age
56
years ∙ half population younger than 56, half older
Dependency ratio
89
dependents per 100 working-age adults
Rosemont
89
Frederick County
62.9
Maryland
63.5
AGE DISTRIBUTION
Distribution of age group
Median age
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Age Group | |||
| Children (Under 18) | 11% | 23.3% | 22.2% |
| Working age (18-64) | 52.9% | 61.4% | 61.1% |
| Senior (65+) | 36.1% | 15.3% | 16.7% |
| Dependency ratio | |||
| Total dependency ratio | 89 | 62.9 | 63.5 |
| Child dependency ratio | 20.7 | 38 | 36.3 |
| Old-age dependency ratio | 68.3 | 24.9 | 27.2 |
Racial & Ethnic Composition
Racial and ethnic makeup and how it compares
Race & Ethnicity
Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.
Diversity Index
14.6%
chance two random people differ in race and ethnicity
Rosemont
14.6%
Frederick County
53.6%
Maryland
67.7%
Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.
RACIAL & ETHNIC COMPOSITION
Race & Ethnicity
Percentage of Rosemont population
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Hispanic or Latino | 2.3% | 12.9% | 12.5% |
| Mexican | 0% | 2% | 2% |
| Puerto Rican | 0.6% | 1.2% | 1.1% |
| Cuban | 1% | 0.4% | 0.3% |
| Other Hispanic / Latino | 0.6% | 9.3% | 9.1% |
| Not Hispanic or Latino | 97.7% | 87.1% | 87.5% |
| One race | 94.5% | 82.1% | 82.9% |
| White | 92.3% | 65.7% | 46.6% |
| Black or African American | 2.3% | 10.1% | 28.9% |
| American Indian and Alaska Native | 0% | 0.1% | 0.1% |
| Asian | 0% | 5.9% | 6.5% |
| Native Hawaiian and Other Pacific Islander | 0% | 0% | 0% |
| Some Other Race | 0% | 0.3% | 0.7% |
| Two or more races (Multiracial) | 3.2% | 5% | 4.6% |
Household & Families Composition
Household size, type, and family structure
Household structure
66.2%
family
Family
66.2%
Non family
33.8%
% family households
Rosemont
66.2%
Frederick County
71.9%
Maryland
65%
Average household size
2.33
persons per household
Household & Family COMPOSITION
Households
Percentage of Rosemont population
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Total households | 133 | 104,635 | 2,362,928 |
| Average houshold size | 2.33 | 2.7 | 2.57 |
| Family households | 88 | 75,260 | 1,535,706 |
| Average family size | 2.76 | 3.18 | 3.19 |
| Married couple family | 71 | 59,227 | 1,090,871 |
| Other families | 17 | 16,033 | 444,835 |
| Male householder | 11 | 4,846 | 120,206 |
| Female householder | 6 | 11,187 | 324,629 |
| Non-family households | 45 | 29,375 | 827,222 |
| One-person households | 28 | 23,659 | 677,124 |
| Male householder | 5 | 10,364 | 282,192 |
| Senior (65+) living alone | 0 | 2,957 | 87,532 |
| Female householder | 23 | 13,295 | 394,932 |
| Senior (65+) living alone | 8 | 6,734 | 185,255 |
| Other living arrangements | 17 | 5,716 | 150,098 |
Housing Profile
Housing stock, ownership, rentals, and cost burdens
Total housing units
142
housing units
Rosemont
142
Frederick County
108,924
Maryland
2,560,784
Occupancy status
93.7%
occupied
Occupied
93.7%
Vacant
6.3%
vacancy rate
Rosemont
6.3%
Frederick County
3.9%
Maryland
7.7%
Housing Characteristics
How the housing supply is structured and used
Types of Housing unit
100%
Single family houses
Median Year Built
1956
Half of houses were built before 1956, and half after.
Note: Median year built reflects occupied units only; distribution includes all units.
Housing Characteristics
Units, rooms & bedrooms
Physical characteristics of housing units
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Rooms per unit | |||
| Median rooms | 7.6 | 6.8 | 6.2 |
| 1–3 rooms | 1.4% | 7.5% | 12.3% |
| 4–6 rooms | 33.1% | 38% | 42.4% |
| 7+ rooms | 65.5% | 54.5% | 45.2% |
| Bedrooms | |||
| No bedroom / studio | 0% | 1.1% | 2.1% |
| 1 bedroom | 1.4% | 6.1% | 10.3% |
| 2 bedrooms | 21.1% | 16.5% | 21.3% |
| 3 bedrooms | 41.5% | 38.3% | 35.8% |
| 4+ bedrooms | 35.9% | 38.1% | 30.5% |
| At a glance | |||
| Median year built | 1956 | 1991 | 1980 |
| Total housing units | 142 | 108,924 | 2,560,784 |
Occupancy Profile
Who is inside and how they use it
Homeownership
97%
owners
Renter-occupied
3%
Owner-occupied
97%
homeownership rate
Rosemont
97%
Frederick County
77%
Maryland
67.6%
Average household size
2.36
Owner-occupied
1.5
Renter-occupied
owner-occupied average size
Rosemont
2.36
Frederick County
2.82
Maryland
2.7
Housing Characteristics
Occupied unit characteristics
Tenure, crowding, and utilities
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Total occupied units | 133 | 104,635 | 2,362,928 |
| Year moved in | |||
| 2020 or later | 21.1% | 24.5% | 23.2% |
| 2010 to 2019 | 21.1% | 39.6% | 39% |
| 2000 to 2009 | 8.3% | 17.4% | 17.1% |
| 1999 or earlier | 49.6% | 18.3% | 20.8% |
| Occupants per room | |||
| 1.00 or fewer | 100% | 98.7% | 97.5% |
| 1.01 to 1.50 | 0% | 0.9% | 1.7% |
| 1.51 or more | 0% | 0.4% | 0.8% |
| Vehicles availability | |||
| No vehicles | 1.5% | 4.4% | 8.8% |
| 1 vehicle | 28.6% | 26.1% | 33.5% |
| 2 vehicles | 28.6% | 39.9% | 35.8% |
| 3 or more vehicles | 41.4% | 29.5% | 21.9% |
| House heating fuel used | |||
| Gas | 6.8% | 37.7% | 46.9% |
| Electricity | 50.4% | 51.2% | 44.1% |
| Solar | 2.3% | 0.3% | 0.4% |
| Fuel oil, kerosene etc | 36.8% | 8.3% | 6.6% |
| All other fuels | 3.8% | 2.4% | 1.6% |
| No fuel used | 0% | 0.3% | 0.6% |
| Selected characteristics | |||
| Lacking complete plumbing | 0.8% | 0.2% | 0.3% |
| Lacking complete kitchen | 0.8% | 0.5% | 0.6% |
| No telephone service available | 1.5% | 0.5% | 0.8% |
Housing Value
What owner-occupied units are worth
Median home value
$437,900
owner-occupied units
Housing Cost Burden
29.9%
of homeowners with a mortgage are cost-burdened
Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.
Financial characteristics
Property value and housing costs
Tenure, crowding, and utilities
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Property value | |||
| Median Value | $437,900 | $464,600 | $419,900 |
| Under $100,000 | 0% | 1.9% | 5% |
| $100,000 - $200,000 | 6.3% | 2.6% | 7.5% |
| $200,000 - $300,000 | 9.3% | 10.7% | 14.8% |
| $300,000 - $500,000 | 50.4% | 42.9% | 37.1% |
| $500,000 - $1,000,000 | 32.6% | 38.5% | 29.7% |
| $1,000,000 and more | 1.6% | 3.3% | 6% |
| Owner-occupied households | |||
| With a mortgage | 61.2% | 76.1% | 71% |
| Without a mortgage | 38.8% | 23.9% | 29% |
| Median monthly owner costs | |||
| With a mortgage | $2,108 | $2,449 | $2,347 |
| Without a mortgage | $840 | $731 | $753 |
| Gross rent | |||
| Median rent | $— | $1,774 | $1,705 |
Education Profile
How educated is the community and how education pays off
Adults with a college degree
32.5%
of adults 25+ with a bachelor's degree or higher
Rosemont
32.5%
Frederick County
45.8%
Maryland
43.4%
Adults without a high school diploma
5.3%
of adults (25+) without a high school diploma
Rosemont
5.3%
Frederick County
6.6%
Maryland
8.8%
School Enrollment
Who is enrolled in school and at what level
School enrollment
45
population (age 3+) enrolled in school
College-going rate (18-24 yr olds)
23.3%
of 18-24-year-olds in college or graduate school
Enrollment & school type
Enrollment levels, college-going rate, and public vs private school split
Population 3+ currently enrolled in a school
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Total enrolled (age 3+) | 45 | 72,473 | 1,533,098 |
| Nursery / preschool | 0% | 6% | 5.7% |
| K–12 | 77.8% | 68.7% | 66.3% |
| Kindergarten | 0% | 4.4% | 4.9% |
| Elementary: Grades 1–4 | 11.1% | 20.7% | 19.5% |
| Elementary: Grades 5–8 | 35.6% | 20.9% | 20.5% |
| High School: Grades 9–12 | 31.1% | 22.7% | 21.5% |
| College or graduate school | 22.2% | 25.3% | 28% |
| College, undergraduate | 20% | 19.2% | 20.4% |
| Graduate, professional school | 2.2% | 6.2% | 7.6% |
| College-going rate · 18-24 yr olds | 23.3% | 43.4% | 41.8% |
| School type | |||
| Public school | 100% | 82.3% | 80% |
| Private school | 0% | 17.7% | 20% |
Education Attainment by Level & Gender
What is the highest level of education completed among adults
Education attainment
246
population 25 years and over
Attainment by gender
Male vs Female
Adults (25+) · Share within each education level
Educational Attainment Overview
Distribution and key education attainment rates for adults (25+)
Highest credential completed · adults 25+
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Population (25+) | 246 | 196,490 | 4,301,335 |
| Less than 9th grade | 1.2% | 3% | 4% |
| 9th–12th, no diploma | 4.1% | 3.6% | 4.8% |
| High school diploma or GED | 44.7% | 22.4% | 23.4% |
| Some college, no degree | 12.2% | 17% | 17.4% |
| Associate's degree | 5.3% | 8.3% | 6.8% |
| Bachelor's degree or higher | 32.5% | 45.8% | 43.4% |
| Bachelor's degree | 13.8% | 25.3% | 22.7% |
| Graduate or professional | 18.7% | 20.5% | 20.8% |
| High School or higher | 94.7% | 93.4% | 91.1% |
Earnings by education level
percentage as applicable
Median Earnings
$53,750
Median earnings for adults 25+, by level
Poverty Rate
1.3%
for ages 25+, with bachelors degree or higher
Outcomes by Education Level
Earnings and poverty rates across education levels (25+)
Adults 25+
| Rosemont | Frederick County | Maryland | |
|---|---|---|---|
| Median earnings | |||
| Population 25+, with earnings | $53,750 | $73,399 | $65,293 |
| Less than high school graduate | $— | $39,156 | $35,487 |
| High school graduate (includes equivalency) | $40,625 | $51,444 | $45,113 |
| Some college or associate's degree | $82,917 | $61,577 | $54,823 |
| Bachelor's degree | $87,500 | $85,622 | $80,465 |
| Graduate or professional degree | $— | $106,427 | $105,640 |
| Poverty rates | |||
| Less than high school graduate | 0% | 14.5% | 20.9% |
| High school graduate (includes equivalency) | 16.4% | 10% | 12.6% |
| Some college or associate's degree | 23.3% | 4.9% | 8.3% |
| Bachelor's degree or higher | 1.3% | 2.4% | 3.5% |
About Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.
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