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Zip Code 21778, Rocky Ridge, MD
ZIP Code 21778 Data
| Zip Code: | 21778 |
| City: | Rocky Ridge |
| State: | MD [Maryland] |
| Counties: | FREDERICK, MD |
| Multi County: | No |
| City Alias(es): | Rocky Ridge |
| Area Code: | 240 / 301 |
| City Type: | P [Post Office] |
| Classification: | [Non-Unique] |
| Time Zone: | Eastern (GMT -05:00) |
| Observes Day Light Savings: | Yes |
| Latitude: | 39.611768 |
| Longitude: | -77.333956 |
| Elevation: | 290 ft |
| State FIPS: | 24 |
| County FIPS: | 021 |
| Region: | South |
| Division: | South Atlantic |
| Intro Date: | <2004-10 |
ZIP Code 21778 2010 Census Demographics
| Current Population: | 1,161 |
| 2010 Population: | 1,094 |
| Households per ZIP Code: | 409 |
| Average House Value: | $248,400 |
| Avg. Income Per Household: | $74,643 |
| Persons Per Household: | 2.67 |
| White Population: | 1,077 |
| Black Population: | 2 |
| Hispanic Population: | 24 |
| Asian Population: | 13 |
| American Indian Population: | 5 |
| Hawaiian Population: | 3 |
| Other Population: | 10 |
| Male Population: | 544 |
| Female Population: | 550 |
| Median Age: | 45.10 years |
| Male Median Age: | 43.80 years |
| Female Median Age: | 46.50 years |
More Census 2010 Data for ZIP Code 21778
ZIP Code 21778 Other Demographics
| # Residential Mailboxes: | 435 |
| # Business Mailboxes: | 5 |
| Total Delivery Receptacles: | 481 |
| Number of Businesses: | 17 |
| 1st Quarter Payroll: | $930,000 |
| Annual Payroll: | $4,609,000 |
| # of Employees: | 126 |
| Water Area: | 0.446 sq mi |
| Land Area: | 17.445 sq mi |
| 113th Congressional District: | 08 |
| 113th Congressional Land Area: | 859.85 sq mi |
| Single Family Delivery Units: | 435 |
| Multi Family Delivery Units: | 0 |
| # Residential Mailboxes: | 435 |
| # Business Mailboxes: | 5 |
| Total Delivery Receptacles: | 481 |
ZIP Code 21778 Social Security Benefits
| 2009 | 2010 | Delta | |
| Total Beneficiaries: | 215 | 235 | +20 |
| Retired Workers: | 145 | 165 | +20 |
| Disabled Workers: | 35 | 30 | -5 |
| Widow(er)s and Parents: | 20 | 20 | 0 |
| Spouses: | 10 | 10 | 0 |
| Children: | 5 | 10 | +5 |
| 65+: | 160 | 170 | +10 |
| Monthly Benefits - All: | $236,000 | $263,000 | +$27,000 |
| Monthly Benefits - Retired Workers: | $172,000 | $190,000 | +$18,000 |
| Monthly Benefits - Widow(ers): | $19,000 | $24,000 | +$5,000 |
ZIP Code 21778 Statistical Areas
| CBSA: | 47900 |
| CBSA Name: | Washington-Arlington-Alexandria, DC-VA-MD-WV |
| CBSA Type: | Metro |
| CBSA Division: | 23224 |
| CBSA Division Name: | Frederick-Gaithersburg-Rockville, MD |
| CBSA Population: | 5,582,170 |
| CBSA Division Population: | 1,205,162 |
| MSA: | 8872 |
| MSA Name: | Washington-Baltimore, DC-MD-VA-WV CMSA |
| PMSA: | 8840 |
| PMSA Name: | Washington, DC-MD-VA-WV PMSA |
| City State Key: | V24294 |
| Preferred Last Line Key: | V24294 |
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