20851

  1. Legal Resources for the 20851 Zip Code
  2. Statistics for the 20851 Zip Code
  3. Property/Housing/Real Estate Information for the 20851 Zip Code
  4. Family Information for the 20851 Zip Code
  5. Education Information for the 20851 Zip Code
  6. Public Benefits Information for the 20851 Zip Code
  7. Immigration & Civil Rights Information for the 20851 Zip Code
  8. Cities for the 20851 Zip Code


Legal Resources for the 20851 Zip Code Back to top

Maryland Constitution
Maryland Code

Maryland State Resources
Maryland Website
Maryland Governor
Maryland Legislature
Maryland Courts
Maryland Government Resources

State Attorney General
Federal Courts
Maryland


Statistics for the 20851 Zip Code Back to top
  • Population (2000): 13,038
  • Land Area (2000): 6.112 square kilometers
  • Water Area (2000): 0.000 square kilometers
Back to top
Houses (2000): 4,746


Employment Information for the 20851 Zip Code Back to top
Hours Worked Per Week In 1999 for the 20851 Zip Code
Hours Per Week Color 0 Box Population Percent
35 or more hours 6,436 61.37%
15-35 hours 1,239 11.81%
1-14 hours 249 2.37%
No regular hours 2,563 24.44%

Time Left For Work for the 20851 Zip Code
Time Color 0 Box Population Percent
Midnight-4:59 AM 149 2.25%
5 AM-5:29 AM 99 1.50%
5:30 AM-5:59 AM 219 3.31%
6 AM-6:29 AM 552 8.34%
6:30 AM-6:59 AM 698 10.54%
7 AM-7:29 AM 987 14.91%
7:30 AM-7:59 AM 927 14.00%
8 AM-8:29 AM 990 14.95%
8:30 AM-8:59 AM 597 9.02%
9:00 AM-9:59 AM 635 9.59%
10:00 AM-10:59 AM 201 3.04%
11:00 AM-11:59 AM 43 0.65%
Noon-3:59 PM 271 4.09%
4 PM-11:59 PM 252 3.81%

Length Of Commute In Minutes for the 20851 Zip Code
Minutes Color 0 Box Population Percent
Less than 5 71 1.07%
5-9 264 3.99%
10-14 847 12.79%
15-19 1,096 16.56%
20-24 838 12.66%
25-29 299 4.52%
30-34 1,109 16.75%
35-39 261 3.94%
40-44 359 5.42%
45-59 783 11.83%
60-89 534 8.07%
At least 90 159 2.40%

Length Of Commute In Minutes - Public vs. Private Transportation for the 20851 Zip Code

Minutes Color 0 Box Population (public) Percent Color 1 Box Population (private) Percent
Under 30 126 1.90% 3,289 49.68%
30-44 377 5.69% 1,352 20.42%
45-59 285 4.31% 498 7.52%
At least 60 271 4.09% 422 6.37%

Type Of Commute for the 20851 Zip Code
Type Population Percent
Color 0 Box Bicycle 31 0.45%
Color 1 Box Car / truck / van, carpool 794 11.63%
Color 2 Box Car / truck / van, solo 4,551 66.68%
Color 3 Box Motorcycle 8 0.12%
Color 4 Box Other 25 0.37%
Color 5 Box Public transportation 1,059 15.52%
Color 6 Box Walked 152 2.23%
Color 7 Box Worked at home 205 3.00%



Family Information for the 20851 Zip Code Back to top
Families where both partners work (2000): 1,324
People at same address in 1995: 6,632
Household Income in 1999 for the 20851 Zip Code

Income Population Percent
Under $10,000 210 4.46%
$10,000-$14,999 147 3.12%
$15,000-$19,999 133 2.83%
$20,000-$24,999 147 3.12%
$25,000-$29,999 151 3.21%
$30,000-$34,999 270 5.74%
$35,000-$39,999 271 5.76%
$40,000-$44,999 265 5.63%
$45,000-$49,999 171 3.63%
$50,000-$59,999 589 12.51%
$60,000-$74,999 667 14.17%
$75,000-$99,999 876 18.61%
$100,000-$124,999 465 9.88%
$125,000-$149,999 180 3.82%
$150,000-$199,999 99 2.10%
$200,000 or more 66 1.40%

Household Type for the 20851 Zip Code
Type Population Percent
Color 1 Box Nonfamily, 1 person 1,010 21.76%
Color 0 Box Family, 2 people 1,178 25.38%
Color 1 Box Nonfamily, 2 people 265 5.71%
Color 0 Box Family, 3 people 793 17.09%
Color 1 Box Nonfamily, 3 people 90 1.94%
Color 0 Box Family, 4 people 653 14.07%
Color 1 Box Nonfamily, 4 people 27 0.58%
Color 0 Box Family, 5 people 325 7.00%
Color 1 Box Nonfamily, 5 people 6 0.13%
Color 0 Box Family, 6 people 146 3.15%
Color 1 Box Nonfamily, 6 people 1 0.02%
Color 0 Box Family, 7 or more people 143 3.08%
Color 1 Box Nonfamily, 7 or more people 4 0.09%

Household Income Type for the 20851 Zip Code
Type Color 0 Box Population Percent
Earnings 4,140 30.69%
Interest / Dividend / Rent 2,262 16.77%
Public Assistance 69 0.51%
Retirement 762 5.65%
Self Employment 651 4.83%
Social Security 934 6.92%
Supplemental Security 159 1.18%
Wage / Salary 4,062 30.12%
Other 449 3.33%

Family Type for the 20851 Zip Code
Type Population Percent
Color 0 Box No children under 18 1,246 50.51%
Color 1 Box With children under 18 1,221 49.49%

Marital Status - Male (for those 15+ in 2000) for the 20851 Zip Code
Type Population Percent
Color 0 Box Divorced 380 7.08%
Color 1 Box Married 2,923 54.49%
Color 2 Box Never Married 1,989 37.08%
Color 3 Box Widowed 72 1.34%

Marital Status - Female (for those 15+ in 2000) for the 20851 Zip Code
Type Population Percent
Color 0 Box Divorced 559 10.56%
Color 1 Box Married 2,848 53.79%
Color 2 Box Never Married 1,407 26.57%
Color 3 Box Widowed 481 9.08%



Education Information for the 20851 Zip Code Back to top
Highest Degree Earned (18 or older) for the 20851 Zip Code
Degree Population Percent
Color 0 Box Less than 9th grade 769 7.56%
Color 1 Box 9th-12th grade, no diploma 1,117 10.99%
Color 2 Box High school diploma or equivalent 2,272 22.35%
Color 3 Box Some college, no degree 2,001 19.68%
Color 4 Box Associate degree 428 4.21%
Color 5 Box Bachelors degree 1,944 19.12%
Color 6 Box Graduate or professional degree 1,635 16.08%

Population In School (3 or older) for the 20851 Zip Code
School Level Color 0 Box In Public School Percent Color 1 Box In Private School Percent Total Percent
Nursery or preschool 143 1.10% 107 0.82% 250 1.92%
Kindergarten 144 1.10% 31 0.24% 175 1.34%
Grades 1-4 535 4.10% 84 0.64% 619 4.75%
Grades 5-8 657 5.04% 53 0.41% 710 5.45%
Grades 9-12 661 5.07% 56 0.43% 717 5.50%
Undergrad college 473 3.63% 81 0.62% 554 4.25%
Graduate or professional school 120 0.92% 119 0.91% 239 1.83%
Total 2,733 20.96% 531 4.07% 3,264 25.03%



Public Benefits Information for the 20851 Zip Code Back to top
Above Or Below Poverty Level In 1999 for the 20851 Zip Code
Above/Below Population Percent
Color 0 Box At Or Above Poverty Level 12,096 91.66%
Color 1 Box Below Poverty Level 1,100 8.34%



Immigration & Civil Rights Information for the 20851 Zip Code Back to top
Population By Age for the 20851 Zip Code
Age Population Percent
0-9 Years 1,706 13.08%
10-19 Years 1,657 12.71%
20-29 Years 1,772 13.59%
30-39 Years 2,593 19.89%
40-49 Years 2,142 16.43%
50-59 Years 1,329 10.19%
60-69 Years 823 6.31%
70-79 Years 770 5.91%
80-89 Years 225 1.73%
90+ Years 21 0.16%

Population - Male/Female for the 20851 Zip Code
Male/Female Population Percent
Color 0 Box Male 6,635 50.89%
Color 1 Box Female 6,403 49.11%

Population By Ethnicity for the 20851 Zip Code
Ethnicity Population Percent
Color 0 Box Caucasian 7,417 56.89%
Color 3 Box Hispanic/Latino 2,615 20.06%
Color 2 Box Asian 1,706 13.08%
Color 1 Box African-American 911 6.99%
Color 7 Box Multiracial 272 2.09%
Color 4 Box Amerindian 70 0.54%
Color 6 Box Other Race 41 0.31%
Color 5 Box Pacific Islander 6 0.05%

Top Specified Ancestries for the 20851 Zip Code
Rank Ancestry Color 0 Box Population Percent Of Specified Ancestries
1. Irish 1,785 19.14%
2. German 1,717 18.41%
3. English 1,004 10.76%
4. United States Or American 845 9.06%
5. Italian 568 6.09%
6. Scottish 314 3.37%
7. French Non-Basque 267 2.86%
8. Scotch Irish 267 2.86%
9. Russian 241 2.58%
10. Polish 240 2.57%

Top Languages Spoken At Home for the 20851 Zip Code
Rank Language Color 0 Box Population Percent Of Reported Languages
1. Only English 7,520 60.96%
2. Spanish Or Spanish Creole 2,460 19.94%
3. Chinese 668 5.42%
4. Other Asian 227 1.84%
5. Russian 201 1.63%
6. Tagalog 150 1.22%
7. French 140 1.13%
8. Vietnamese 139 1.13%
9. Other Indic 109 0.88%
10. Italian 95 0.77%

Citizen Type for the 20851 Zip Code
Type Population Percent
Color 0 Box Citizen by birth 8,984 67.50%
Color 1 Box Naturalized immigrant 1,269 9.53%
Color 2 Box Not a citizen 3,057 22.97%



Cities for the 20851 Zip Code Back to top
Alphabetical | By Population
Rockville