The ZIP Code 21640 is associated with Henderson, MD in Caroline County in the United States. The current population estimate for this region is 1,499. About 22.7% of residents in ZIP Code 21640 are aged 62 years and older, and the region has a median age of 41.3 years. In this Maryland region, an estimated 70.5% hold a high school degree or higher, and the per capita income is approximately $25,762. Approximately 8% of the population lives below the poverty line, while the median househould income sits at $59,250.
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The median household income in ZIP Code 21640 is $59,250, while the region's mean household income is $67,110. Breaking income down further, per capita income in the region is $25,762. The per capita income in ZIP Code 21640 of $25,762 is approximately 38.84% less than the per capita income in the U.S. overall of $42,122. An estimated 7.9% of the population is living below the poverty line in this region. This rate is approximately 16.84% lower than the overall poverty rate in the U.S. of 9.5%. Regarding household income, approximately 25.3% of the population in 21640 earn $50,000 to $74,999 per year, while an estimated 19.4% earn $75,000 to $99,999 per year, and 0.0% of 21640 residents earn $200,000 or more per year.
| Household Income | Percent |
|---|---|
| Less than $10,000 per year | 5.2% |
| $10,000 to $14,999 per year | 4.7% |
| $15,000 to $24,999 per year | 10.0% |
| $25,000 to $34,999 per year | 2.9% |
| $35,000 to $49,999 per year | 12.5% |
| $50,000 to $74,999 per year | 25.3% |
| $75,000 to $99,999 per year | 19.4% |
| $100,000 to $149,999 per year | 16.1% |
| $150,000 to $199,999 per year | 4.0% |
| $200,000 or more per year | 0.0% |
In ZIP Code 21640, 70.5% of the population graduated high school, while 9.8% have a bachelor's degree or higher. In this region, 13.0% achieved an education level less than 9th grade, while 1.9% hold a graduate or professional degree. Approximately 38.0% in this Caroline County region reached the highest level of high school graduate (including equivalency).
| Education Level | Percent |
|---|---|
| Less than 9th grade | 13.0% |
| 9th to 12th grade, no diploma | 16.5% |
| High school graduate (includes equivalency) | 38.0% |
| Some college, no degree | 14.7% |
| Associate's degree | 8.0% |
| Bachelor's degree | 7.9% |
| Graduate or professional degree | 1.9% |
Residents of ZIP Code 21640 are older than average. The median age of 41.3 years in ZIP Code 21640 is approximately 8.4% higher than the overall median age in the U.S. of 38.1 years. About 75.4% of residents are aged 18 years and older, and 22.7% of residents are 62 years and over. Approximately 18.9% of the population in 21640 falls in the age group 35 to 44 years, while an estimated 13.5% are aged 65 to 74 years. On the low end of the scale, 1.6% of 21640 residents are aged 85 years and over.
| Age Range | Percent |
|---|---|
| Under 5 years | 5.3% |
| 5 to 9 years | 4.8% |
| 10 to 14 years | 6.4% |
| 15 to 19 years | 10.3% |
| 20 to 24 years | 5.9% |
| 25 to 34 years | 8.6% |
| 35 to 44 years | 18.9% |
| 45 to 54 years | 6.5% |
| 55 to 59 years | 8.4% |
| 60 to 64 years | 6.5% |
| 65 to 74 years | 13.5% |
| 75 to 84 years | 3.1% |
| 85 years and over | 1.6% |
Looking at race in the population that makes up ZIP Code 21640, 100.0% is one race, while 0.0% are two or more races. Approximately 21.5% of 21640 residents are hispanic or Latino (of any race). The most common race in 21640 (race alone or in combination with one or more other races), is White (90.9%), followed by Some other race (6.0%) .
| Industry | Percent |
|---|---|
| White | 90.9% |
| Black or African American | 3.1% |
| American Indian and Alaska Native | 0.0% |
| Asian | 0.0% |
| Native Hawaiian and Other Pacific Islander | 0.0% |
| Some other race | 6.0% |
One of the leading chronic health issues in ZIP Code 21640 is high cholesterol, as an estimated 37.6% of adults aged 18 and older deal with this issue. Another chronic health issue of concern for residents of 21640 is high blood pressure, as approximately 36.6% of adults 18 and older in this Caroline County region contend with that issue.
| Health Issue | Percent of adults* |
|---|---|
| Arthritis | 30.2% |
| High blood pressure | 36.6% |
| Cancer (excluding skin cancer) | 6.3% |
| Current asthma | 11.6% |
| Coronary heart disease | 6.7% |
| Diagnosed diabetes | 12.3% |
| High cholesterol | 37.6% |
| Chronic kidney disease | 3.1% |
| Stroke | 3.5% |
One of the top preventative health measures in ZIP Code 21640 is current access to health insurance, as an estimated 86.5% of adults 18 and older take part in this preventive measure. Additionally, 83.1% of those 18 and above in 21640 list cholesterol screening, as a preventive measure. Common health risk behaviors in 21640 include obesity (43.3% of adults aged 18 and above) and sleeping less than 7 hours (35.6% of those 18 and older).
| Preventive Measure | Percent of adults* |
|---|---|
| Current access to health insurance | 86.5% |
| Taking medicine for high blood pressure control | 77.2% |
| Visits to doctor for routine checkup | 72.3% |
| Cholesterol screening | 83.1% |
| Visits to dentist or dental clinic | 54.2% |
| Risk Behavior | Percent of adults* |
|---|---|
| Binge drinking | 14.7% |
| Current smoking | 22.7% |
| No leisure-time physical activity | 29.1% |
| Obesity | 43.3% |
| Sleeping less than 7 hours | 35.6% |
In ZIP Code 21640, 77.0% of the population lists "English only" as the language spoken in home, while 22.6% of lists Spanish. Additionally, Asian and Pacific Islander languages are spoken in 0.5% 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 Caroline County region.
| Language Spoken | Percent |
|---|---|
| English only | 77.0% |
| Spanish | 22.6% |
| Other Indo-European languages | 0.5% |
| Asian and Pacific Islander languages | 0.0% |
| Other languages | 0.0% |
Regarding the age of homes in ZIP Code 21640, an estimated 29.1% of homes were built between 1990 and 1999. Additionally, 20.9% of homes in the region were built between 2000 and 2009, while an estimated 0.0% of homes were built between 1950 and 1959 in this Caroline County region.
| Year Home Built | Percent |
|---|---|
| Built in 2014 or later | 0.0% |
| Built between 2010 and 2013 | 1.3% |
| Built between 2000 and 2009 | 20.9% |
| Built between 1990 and 1999 | 29.1% |
| Built between 1980 and 1989 | 8.3% |
| Built between 1970 and 1979 | 11.8% |
| Built between 1960 and 1969 | 4.9% |
| Built between 1950 and 1959 | 0.0% |
| Built between 1940 and 1949 | 3.4% |
| Built in 1939 or earlier | 20.1% |
In 21640, 60.8% of the population is in the labor force. Recent estimates place 0.8% as working from home, while the total labor force in the region has a mean travel to time to work of 37.5 minutes. Approximately 16.1% of the employed population 16 years and over in 21640 work in retail trade, while an estimated 12.5% work in educational services, and health care and social assistance. On the lower end of the scale, just 0.0% of 21640 workers 16 years and over work in information.
| Industry | Percent |
|---|---|
| Agriculture, forestry, fishing and hunting, and mining | 9.3% |
| Construction | 8.7% |
| Manufacturing | 7.6% |
| Wholesale trade | 1.2% |
| Retail trade | 16.1% |
| Transportation and warehousing, and utilities | 6.9% |
| Information | 0.0% |
| Finance and insurance, and real estate and rental and leasing | 4.3% |
| Professional, scientific, management, and administrative | 9.9% |
| Educational services, and health care and social assistance | 12.5% |
| Arts, entertainment, and recreation, and accommodation and food services | 8.7% |
| Other services, except public administration | 3.4% |
| Public administration | 11.4% |
Regarding solar power potential, ZIP Code 21640 has an average daily solar radiation level of 5.1 kWh/m2/day. This is approximately 23.79% greater than an area in the U.S. with historically low solar radiation levels (WA), and about 22.61% less than an area in the U.S. with historically high solar radiation levels (AZ).
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 21640 | 13.08¢/kWh | 12.02¢/kWh | 9.27¢/kWh |
| Maryland | 17.6¢/kWh | 12.91¢/kWh | 10.36¢/kWh |
| United States | 16.1¢/kWh | 12.81¢/kWh | 7.81¢/kWh |
| Month | ZIP Code 21640 | Low (WA) | High (AZ) |
|---|---|---|---|
| Jan | 3.91 | 1.9 | 5.84 |
| Feb | 4.77 | 3 | 6.31 |
| Mar | 5.24 | 3.65 | 7.02 |
| Apr | 5.85 | 5.13 | 7.3 |
| May | 5.66 | 5.17 | 7.13 |
| Jun | 5.84 | 5.72 | 6.95 |
| Jul | 5.92 | 6.22 | 6.51 |
| Aug | 5.84 | 6.08 | 6.65 |
| Sep | 5.43 | 5.15 | 7.02 |
| Oct | 4.93 | 3.32 | 6.92 |
| Nov | 4.25 | 2.33 | 5.99 |
| Dec | 3.58 | 1.78 | 5.46 |