ZIP Code 20851 Demographics & Data

Rockville, MD (ZIP Code 20851) Insights

Maryland

Comprehensive Demographics Data and In-depth Stats About 20851

The ZIP Code 20851 is associated with Rockville, MD in Montgomery County in the United States. The current population estimate for this region is 15,489. An estimated 13.5% of residents in the 20851 ZIP Code are of age 62 years and older. Overall, the region has a median age of 34.8 years. An estimated 43.5% in this Maryland region have a bachelor's degree or higher, and the per capita income is approximately $36,230. The median household income is $90,865, while about 7% of the population is living below the poverty line.

Population in 20851

The most recent population estimate for ZIP Code 20851 is 15,489.

Rockville, MD

The 20851 ZIP Code is associated with Rockville, MD in Montgomery County.

Area Codes associated with 20851

Telephone area codes associated with ZIP Code 20851 include 240, and 301.

Sunrise / Sunset in 20851

Sunrise: 7:26 am
Sunset: 4:52 pm
Sunrise in 20851 7:26 am
Sunrise in 20851 4:52 pm

Weather forecast for 20851

This Afternoon's forecast for 20851: Partly sunny, with a high near 41. East wind around 3 mph.

Current air quality in 20851

Air quality: Moderate Air quality scale in 20851 Moderate

Internet in 20851

Approximately 94.4% of households in ZIP Code 20851 have a computer, while about 88.3% of households have broadband Internet service.

Gender in 20851

In ZIP Code 20851, the gender split is approximately 50.0% male and an estimated 50.0% female.

Health Insurance in 20851

Approximately 12.9% of adults aged 18 to 64 in ZIP Code 20851 (Rockville, MD) are currently uninsured and do not have health insurance.

Income in ZIP Code 20851

The median household income in ZIP Code 20851 is $90,865, while the region's mean household income is $108,104. Breaking income down further, per capita income in the region is $36,230. The per capita income in ZIP Code 20851 of $36,230 is approximately 13.99% less than the per capita income in the U.S. overall of $42,122. An estimated 7.0% of the population is living below the poverty line in this region. This rate is approximately 26.32% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 19.5% of the population in 20851 earn $100,000 to $149,999 per year, while an estimated 15.1% earn $35,000 to $49,999 per year, and 1.2% of 20851 residents earn $10,000 to $14,999 per year.

Household Income Details

Bar chart displaying household income in ZIP Code 20851. 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 20851

Household Income Percent
Less than $10,000 per year 2.6%
$10,000 to $14,999 per year 1.2%
$15,000 to $24,999 per year 2.8%
$25,000 to $34,999 per year 7.1%
$35,000 to $49,999 per year 15.1%
$50,000 to $74,999 per year 14.8%
$75,000 to $99,999 per year 13.1%
$100,000 to $149,999 per year 19.5%
$150,000 to $199,999 per year 12.1%
$200,000 or more per year 11.7%

Education levels in ZIP Code 20851

In ZIP Code 20851, 81.4% of the population graduated high school, while 43.5% have a bachelor's degree or higher. In this region, 10.2% achieved an education level less than 9th grade, while 20.4% hold a graduate or professional degree. Approximately 18.4% in this Montgomery County region reached the highest level of high school graduate (including equivalency).

Education Attained in 20851

Education Level Percent
Less than 9th grade 10.2%
9th to 12th grade, no diploma 8.5%
High school graduate (includes equivalency) 18.4%
Some college, no degree 15.6%
Associate's degree 3.9%
Bachelor's degree 23.1%
Graduate or professional degree 20.4%

Education Level Details

Pie chart displaying the education level breakdown in ZIP Code 20851. 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 20851

Residents of ZIP Code 20851 are younger than average. The median age of 34.8 years in ZIP Code 20851 is approximately 8.66% lower than the overall median age in the U.S. of 38.1 years. About 75.6% of residents are aged 18 years and older, and 13.5% of residents are 62 years and over. Approximately 16.8% of the population in 20851 falls in the age group 25 to 34 years, while an estimated 15.0% are aged 35 to 44 years. On the low end of the scale, 0.6% of 20851 residents are aged 85 years and over.

Age Breakdown Details

Bar chart displaying the age breakdown in ZIP Code 20851. 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 20851

Age Range Percent
Under 5 years 7.6%
5 to 9 years 6.4%
10 to 14 years 6.8%
15 to 19 years 7.0%
20 to 24 years 6.0%
25 to 34 years 16.8%
35 to 44 years 15.0%
45 to 54 years 12.9%
55 to 59 years 6.6%
60 to 64 years 4.4%
65 to 74 years 7.1%
75 to 84 years 3.0%
85 years and over 0.6%

Race & Ethnicity in ZIP Code 20851

Looking at race in the population that makes up ZIP Code 20851, 96.0% is one race, while 4.0% are two or more races. Approximately 36.5% of 20851 residents are hispanic or Latino (of any race). The most common race in 20851 (race alone or in combination with one or more other races), is White (59.3%), followed by Asian (18.1%) .

Race Breakdown Details

Bar chart displaying the racial composition of ZIP Code 20851. This visualizes the percentage of the population of each race (race alone or in combination with one or more other races).

Racial Composition of 20851

Industry Percent
White 59.3%
Black or African American 11.1%
American Indian and Alaska Native 1.1%
Asian 18.1%
Native Hawaiian and Other Pacific Islander 0.9%
Some other race 14.1%
* Race alone or in combination with one or more other races

Chronic Health Issues in ZIP Code 20851 [4]

Chronic Health Issues Breakdown

Bar chart displaying a breakdown of chronic health issues in ZIP Code 20851. 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 20851

Health Issue Percent of adults*
* aged 18 & above

Health Risk Behaviors & Prevention in 20851 [4]

One of the top preventative health measures in ZIP Code 20851 is current access to health insurance, as an estimated 87.1% of adults 18 and older take part in this preventive measure. Additionally, % of those 18 and above in 20851 list , as a preventive measure.

Preventative Health in 20851

Preventive Measure Percent of adults*
Current access to health insurance 87.1%
* aged 18 & above

Preventative Health Measures

Bar chart displaying preventative health data in ZIP Code 20851. 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 20851. 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 20851

Risk Behavior Percent of adults*
* aged 18 & above

Language Breakdown in ZIP Code 20851

In ZIP Code 20851, 45.3% of the population lists "English only" as the language spoken in home, while 31.6% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 8.3% of homes, and other Indo-European languages are spoken in 11.4% of homes. Lastly, 3.5% of homes list "other languages" as spoken in the home. All percentages referenced are for the population 5 years and older in this Montgomery County region.

Language Spoken in 20851

Language Spoken Percent
English only 45.3%
Spanish 31.6%
Other Indo-European languages 8.3%
Asian and Pacific Islander languages 11.4%
Other languages 3.5%
* Population 5 years and over

Language Spoken in Home

Bar chart displaying the language spoken in homes in ZIP Code 20851. 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 20851

Regarding the age of homes in ZIP Code 20851, an estimated 48.6% of homes were built between 1950 and 1959. Additionally, 15.3% of homes in the region were built between 1960 and 1969, while an estimated 0.7% of homes were built in 2014 or later in this Montgomery County region.

Age of Housing in 20851

Year Home Built Percent
Built in 2014 or later 0.7%
Built between 2010 and 2013 4.3%
Built between 2000 and 2009 4.2%
Built between 1990 and 1999 4.0%
Built between 1980 and 1989 4.8%
Built between 1970 and 1979 10.8%
Built between 1960 and 1969 15.3%
Built between 1950 and 1959 48.6%
Built between 1940 and 1949 5.2%
Built in 1939 or earlier 2.1%

Housing Age Breakdown

">Bar chart displaying the breakdown on housing ages in ZIP Code 20851. 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 20851

In 20851, 75.7% of the population is in the labor force. Recent estimates place 3.4% as working from home, while the total labor force in the region has a mean travel to time to work of 31.4 minutes. Approximately 20.7% of the employed population 16 years and over in 20851 work in professional, scientific, management, and administrative, while an estimated 16.4% work in educational services, and health care and social assistance. On the lower end of the scale, just 0.0% of 20851 workers 16 years and over work in agriculture, forestry, fishing and hunting, and mining.

Job Industry Breakdown Details

Bar chart displaying job industry breakdown details for ZIP Code 20851. 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 20851

Industry Percent
Agriculture, forestry, fishing and hunting, and mining 0.0%
Construction 11.3%
Manufacturing 2.4%
Wholesale trade 1.7%
Retail trade 8.5%
Transportation and warehousing, and utilities 2.1%
Information 2.3%
Finance and insurance, and real estate and rental and leasing 5.5%
Professional, scientific, management, and administrative 20.7%
Educational services, and health care and social assistance 16.4%
Arts, entertainment, and recreation, and accommodation and food services 13.8%
Other services, except public administration 6.6%
Public administration 8.9%

Utilities in ZIP Code 20851 [6]

Regarding solar power potential, ZIP Code 20851 has an average daily solar radiation level of 5.04 kWh/m2/day. This is approximately 22.33% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 23.52% 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 20851. This visualizes electricity rates in 20851 compared to rates in the state and rates in the U.S. as a whole.

Electricity Rates in 20851

Region Residential Commercial Industrial
ZIP Code 20851 11.28¢/kWh 4.76¢/kWh 2.1¢/kWh
Maryland 19.21¢/kWh 13.17¢/kWh 9.94¢/kWh
United States 16.94¢/kWh 13.2¢/kWh 8.21¢/kWh

Solar Power in 20851

Month ZIP Code 20851 Low (WA) High (AZ)
Jan 3.79 1.9 5.84
Feb 4.78 3 6.31
Mar 5.24 3.65 7.02
Apr 5.55 5.13 7.3
May 5.7 5.17 7.13
Jun 5.71 5.72 6.95
Jul 5.66 6.22 6.51
Aug 6.01 6.08 6.65
Sep 5.31 5.15 7.02
Oct 4.68 3.32 6.92
Nov 4.33 2.33 5.99
Dec 3.66 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 20851. This visualizes solar power levels in 20851 compared to radiation levels in both a historically low radiation state (WA) and a historically high radiation state (AZ).

Consumer Financial Products Complaints in 20851 [5]

Regarding consumer complaints about financial products in ZIP Code 20851, credit reporting or other personal consumer reports have received the most complaints in 20851 in the past 12 months. Credit reporting or credit repair services received the second most complaints. The most frequent complaint overall in this Montgomery County region was improper use of a report.

Consumer Complaints (Products)

Pie chart displaying the specific consumer financial products associated with complaints that originated from residents in ZIP Code 20851. This visualizes the specific products that were the subject of complaints, e.g. a mortgage or a credit card.

Consumer Complaints by Product in 20851

Complaint Product Number of Complaints*
Credit reporting or other personal consumer reports 25
Credit reporting or credit repair services 9
Credit card or prepaid card 5
Checking or savings account 3
Debt collection 1
Other 2
* Total in 2021

Consumer Complaints by Issue in 20851

Complaint Issue Number of Complaints*
Improper use of your report 16
Incorrect information on your report 11
Problem with a company's investigation into an existing problem 7
Problem with a purchase shown on your statement 4
Managing an account 2
Other 5
* 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 20851. This visualizes the specific complaint issues that arose in this region, e.g. incorrect information on a report.

Notes

  • [4] Health data referenced here originate from the Centers for Disease Control and Prevention (CDC).
  • [5] Consumer financial product complaint data referenced here originate from the Consumer Financial Protection Bureau.
  • [6] 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.