Data Profile of ZIP Code 21778

Rocky Ridge, MD (ZIP Code 21778) Insights

Maryland

Demographics Data and Important Statistics About 21778

The ZIP Code 21778 is associated with Rocky Ridge, MD in Frederick County in the United States. The current population estimate for this region is 909. In this Maryland region, an estimated 81.9% hold a high school degree or higher, and the per capita income is approximately $51,029. Median househould income in this region is $74,375, while about 3% of the population lives below the poverty line.

Population in 21778

The most recent population estimate for ZIP Code 21778 is 909.

Rocky Ridge, MD

The 21778 ZIP Code is associated with Rocky Ridge, MD in Frederick County.

Area Codes associated with 21778

Telephone area codes associated with ZIP Code 21778 include No associated area codes were found for ZIP Code 21778.

Sunrise / Sunset in 21778

Sunrise: 6:05 am
Sunset: 8:06 pm
Sunrise in 21778 6:05 am
Sunrise in 21778 8:06 pm

Weather forecast for 21778

Tonight's forecast for 21778: A slight chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 63. South wind around 6 mph. Chance of precipitation is 20%.

Current air quality in 21778

Air quality: Fair Air quality scale in 21778 Fair

Internet in 21778

In ZIP Code 21778, an estimated 86.1% of households have a computer, while 73.3% have broadband Internet service.

Gender in 21778

In ZIP Code 21778, the gender split is approximately 40.5% female and an estimated 59.5% male.

Health Insurance in 21778

Approximately 8.5% of adults aged 18 to 64 in ZIP Code 21778 (Rocky Ridge, MD) are currently uninsured and do not have health insurance.

Income in ZIP Code 21778

The median household income in ZIP Code 21778 is $74,375, while the region's mean household income is $118,474. Breaking income down further, per capita income in the region is $51,029. The per capita income in ZIP Code 21778 of $51,029 is approximately 21.15% more than the per capita income in Maryland overall of $42,122. An estimated 3.1% of the population is living below the poverty line in this region. This rate is approximately 67.37% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 23.3% of the population in 21778 earn $35,000 to $49,999 per year, while an estimated 18.3% earn $75,000 to $99,999 per year, and 0.0% of 21778 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 21778. This visualizes the percentage of households in this region that fall within different income ranges, e.g. $100,000 to $149,999 per year.

Total Income in 21778

Household Income Percent
Less than $10,000 per year 6.3%
$10,000 to $14,999 per year 0.0%
$15,000 to $24,999 per year 1.8%
$25,000 to $34,999 per year 2.1%
$35,000 to $49,999 per year 23.3%
$50,000 to $74,999 per year 17.0%
$75,000 to $99,999 per year 18.3%
$100,000 to $149,999 per year 18.3%
$150,000 to $199,999 per year 2.1%
$200,000 or more per year 10.7%

Education levels in ZIP Code 21778

In ZIP Code 21778, 81.9% of the population graduated high school, while 13.4% have a bachelor's degree or higher. In this region, 3.5% achieved an education level less than 9th grade, while 6.1% hold a graduate or professional degree. Approximately 43.4% in this Frederick County region reached the highest level of high school graduate (including equivalency).

Education Attained in 21778

Education Level Percent
Less than 9th grade 3.5%
9th to 12th grade, no diploma 14.7%
High school graduate (includes equivalency) 43.4%
Some college, no degree 17.6%
Associate's degree 7.5%
Bachelor's degree 7.3%
Graduate or professional degree 6.1%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 21778. This visualizes the percentage of the population that has attained a specific level of education, e.g. a graduate or professional degree.

Age Breakdown in ZIP Code 21778

Residents of ZIP Code 21778 are older than average. The median age of 51.2 years in ZIP Code 21778 is approximately 34.38% higher than the overall median age in the U.S. of 38.1 years. About 84.9% of residents are aged 18 years and older, and 28.7% of residents are 62 years and over. Approximately 20.4% of the population in 21778 falls in the age group 45 to 54 years, while an estimated 14.0% are aged 65 to 74 years. On the low end of the scale, 1.1% of 21778 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 21778. This visualizes the percentage of the population in the region that falls into certain age ranges, e.g. 35 to 44 years old.

Age Breakdown in 21778

Age Range Percent
Under 5 years 1.4%
5 to 9 years 4.8%
10 to 14 years 3.7%
15 to 19 years 7.7%
20 to 24 years 6.5%
25 to 34 years 1.7%
35 to 44 years 12.5%
45 to 54 years 20.4%
55 to 59 years 10.2%
60 to 64 years 12.4%
65 to 74 years 14.0%
75 to 84 years 3.5%
85 years and over 1.1%

Race & Ethnicity in ZIP Code 21778

Looking at race in the population that makes up ZIP Code 21778, 99.3% is one race, while 0.7% are two or more races. Approximately 0.0% of 21778 residents are hispanic or Latino (of any race). The most common race in 21778 (race alone or in combination with one or more other races), is White (100.0%), followed by Some other race (0.7%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 21778. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 21778

Industry Percent
White 100.0%
Black or African American 0.0%
American Indian and Alaska Native 0.0%
Asian 0.0%
Native Hawaiian and Other Pacific Islander 0.0%
Some other race 0.7%
* Race alone or in combination with one or more other races

Chronic Health Issues in ZIP Code 21778

One of the leading chronic health issues in ZIP Code 21778 is high cholesterol, as an estimated 39.8% of adults aged 18 and older deal with this issue. Another chronic health issue of concern for residents of 21778 is high blood pressure, as approximately 33.1% of adults 18 and older in this Frederick County region contend with that issue.

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 21778. This visualizes the percentage of adults aged 18 and above that have specific chronic health issues, e.g. high blood pressure, diabetes, or arthritis.

Health Issues in 21778

Health Issue Percent of adults*
Arthritis 26.8%
High blood pressure 33.1%
Cancer (excluding skin cancer) 7.5%
Current asthma 10.1%
Coronary heart disease 6.0%
Diagnosed diabetes 10.0%
High cholesterol 39.8%
Chronic kidney disease 3.0%
Stroke 3.1%
* aged 18 & above

Health Risk Behaviors & Prevention in 21778

One of the top preventative health measures in ZIP Code 21778 is current access to health insurance, as an estimated 91.5% of adults 18 and older take part in this preventive measure. Additionally, 87.4% of those 18 and above in 21778 list cholesterol screening, as a preventive measure. Common health risk behaviors in 21778 include obesity (35.6% of adults aged 18 and above) and sleeping less than 7 hours (31.9% of those 18 and older).

Preventative Health in 21778

Preventive Measure Percent of adults*
Current access to health insurance 91.5%
Taking medicine for high blood pressure control 77.7%
Visits to doctor for routine checkup 71.6%
Cholesterol screening 87.4%
Visits to dentist or dental clinic 64.9%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 21778. This visualizes the percentage of adults aged 18 and above that engage in preventative health measures, e.g. sholesterol screenings and visits to doctors for routine checkups.

Health Risk Behaviors Details

Bar chart displaying health risk behaviors details in ZIP Code 21778. This visualizes the percentage of adults aged 18 and older that engage in health risk behaviors, e.g. smoking or binge drinking.

Health Risk Behaviors in 21778

Risk Behavior Percent of adults*
Binge drinking 15.6%
Current smoking 17.1%
No leisure-time physical activity 21.9%
Obesity 35.6%
Sleeping less than 7 hours 31.9%
* aged 18 & above

Language Breakdown in ZIP Code 21778

In ZIP Code 21778, 99.3% of the population lists "English only" as the language spoken in home, while 0.0% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 0.7% of homes, and other Indo-European languages are spoken in 0.0% of homes. Lastly, 0.0% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Frederick County region.

Language Spoken in 21778

Language Spoken Percent
English only 99.3%
Spanish 0.0%
Other Indo-European languages 0.7%
Asian and Pacific Islander languages 0.0%
Other languages 0.0%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 21778. This visualizes the percentage of homes in the area that list a specific language as being spoken in the home, e.g. Spanish.

Real Estate & Housing in ZIP Code 21778

Regarding the age of homes in ZIP Code 21778, an estimated 36.3% of homes were built in 1939 or earlier. Additionally, 14.1% of homes in the region were built between 1980 and 1989, while an estimated 0.0% of homes were built in 2014 or later in this Frederick County region.

Age of Housing in 21778

Year Home Built Percent
Built in 2014 or later 0.0%
Built between 2010 and 2013 1.1%
Built between 2000 and 2009 13.3%
Built between 1990 and 1999 2.6%
Built between 1980 and 1989 14.1%
Built between 1970 and 1979 13.5%
Built between 1960 and 1969 9.6%
Built between 1950 and 1959 1.7%
Built between 1940 and 1949 7.8%
Built in 1939 or earlier 36.3%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 21778. This visualizes the percentage of homes in the region that were built in a certain time frame, e.g. built between 1950 and 1959.

Jobs Breakdown in ZIP Code 21778

In 21778, 65.5% of the population is in the labor force. Recent estimates place 5.3% as working from home, while the total labor force in the region has a mean travel to time to work of 23.5 minutes. Approximately 35.0% of the employed population 16 years and over in 21778 work in construction, while an estimated 14.1% work in educational services, and health care and social assistance. On the lower end of the scale, just 0.8% of 21778 workers 16 years and over work in finance and insurance, and real estate and rental and leasing.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 21778. This visualizes the percentage of the population 16 years and over that work in certain industries, e.g. educational services, and health care and social assistance.

Job Industry Breakdown in 21778

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 4.9%
Construction 35.0%
Manufacturing 1.8%
Wholesale trade 3.1%
Retail trade 11.7%
Transportation and warehousing, and utilities 3.3%
Information 1.0%
Finance and insurance, and real estate and rental and leasing 0.8%
Professional, scientific, management, and administrative 10.0%
Educational services, and health care and social assistance 14.1%
Arts, entertainment, and recreation, and accommodation and food services 4.9%
Other services, except public administration 1.8%
Public administration 7.6%

Utilities in ZIP Code 21778

Regarding solar power potential, ZIP Code 21778 has an average daily solar radiation level of 4.83 kWh/m2/day. This is approximately 17.23% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 26.71% less than an area in the U.S. with historically high solar radiation levels (AZ).

Electricity Breakdown Details

Bar chart displaying the electricity rates breakdown in ZIP Code 21778. This visualizes electricity rates in 21778 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 21778

Region Residential Commercial Industrial
ZIP Code 21778 9.5¢/kWh 4.71¢/kWh 2.37¢/kWh
Maryland 17.6¢/kWh 12.91¢/kWh 10.36¢/kWh
United States 16.1¢/kWh 12.81¢/kWh 7.81¢/kWh

Solar Power in 21778

Month ZIP Code 21778 Low (WA) High (AZ)
Jan 3.75 1.9 5.84
Feb 4.35 3 6.31
Mar 4.83 3.65 7.02
Apr 5.31 5.13 7.3
May 5.49 5.17 7.13
Jun 5.47 5.72 6.95
Jul 5.94 6.22 6.51
Aug 5.39 6.08 6.65
Sep 5.43 5.15 7.02
Oct 4.76 3.32 6.92
Nov 3.91 2.33 5.99
Dec 3.36 1.78 5.46
All figures listed are kWh/m2/day — kilowatt hours per square meter per day

Solar Radiation Levels

Line chart displaying solar radiation levels in ZIP Code 21778. This visualizes solar power levels in 21778 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Consumer Financial Products Complaints in 21778

Regarding consumer complaints about financial products in ZIP Code 21778, checking or savings account have received the most complaints in 21778 in the past 12 months. received the second most complaints. The most frequent complaint overall in this Frederick County region was managing an account.

Consumer Complaints (Products)

Pie chart displaying the specific consumer financial products associated with complaints that originated from residents in ZIP Code 21778. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 21778

Complaint Product Number of Complaints*
Checking or savings account 1
* Total in 2021

Consumer Complaints by Issue in 21778

Complaint Issue Number of Complaints*
Managing an account 1
* Total 2021 - 2024 (current)

Consumer Complaints (Issues)

Pie chart displaying the complaints about consumer financial products and services that were sent to companies for response from residents in ZIP Code 21778. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Notes

  • [5] All electricity rates and electricity usage data referenced here originate from the National Renewable Energy Laboratory (NREL) and/or the U.S. Energy Information Administration (EIA). Estimates utilize regional U.S. Census Bureau data along with regional NREL and/or EIA data.
  • [6] All consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.