Download an Excel file* of this document: profile_maryland__greenbelt_city.xls.
| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
|||
|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 21,391 | -- | 21,427 | 27 | 23,068 | 23,340 | 30 | -- |
| Persons in Households 2 | 21,390 | 5 | -- | -- | 23,068 | -- | -- | -- |
| Total Households 3 | 9,300 | 143 | 9,366 | 506 | 9,747 | 9,317 | 500 | No |
| Average Number of Persons per Household 4 | 2.30 | 0.08 | 2.29 | 0.12 | 2.37 | 2.50 | 0.14 | Yes |
| Average Household Income 5 | $57,585 | $2,327 | $73,952 | $6,294 | -- | $70,869 | $6,427 | Yes |
| Average Number of Vehicles per Household 6 | 1.38 | 0.05 | 1.39 | 0.12 | -- | 1.35 | 0.12 | No |
| Percent of Persons in Poverty 7 | 10.20 | 1.10 | 5.40 | 2.74 | -- | 12.80 | 5.14 | No |
| Percent Minority 8 | 61.00 | 1.70 | 63.40 | 4.73 | 69.90 | 64.70 | 4.24 | No |
| Percent of Persons 65 and Over 9 | 6.80 | 0.90 | 8.20 | 1.52 | 7.50 | 8.00 | 1.63 | No |
| Percent of Persons Foreign Born 10 | 27.20 | 1.60 | 28.80 | 4.09 | -- | 27.10 | 4.43 | No |
| Total Workers at Place of Residence11 | 12,507 | 371 | -- | -- | -- | 13,371 | 887 | No |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 12,245 | 100.0 | 373 | -- | 100.0 | -- | -- | 100.0 | -- | -- |
| Drove alone | 8,505 | 69.5 | 369 | -- | -- | -- | -- | -- | -- | -- |
| 2-person Carpool | 1,035 | 8.5 | 162 | -- | -- | -- | -- | -- | -- | -- |
| 3-or-more-person Carpool | 260 | 2.1 | 83 | -- | -- | -- | -- | -- | -- | -- |
| Transit | 1,665 | 13.6 | 202 | -- | -- | -- | -- | -- | -- | -- |
| Bike | 30 | 0.2 | 28 | -- | -- | -- | -- | -- | -- | -- |
| Walked | 305 | 2.5 | 89 | -- | -- | -- | -- | -- | -- | -- |
| Taxi, Motorcycle and Other means | 115 | 0.9 | 55 | -- | -- | -- | -- | -- | -- | -- |
| Worked at Home | 335 | 2.7 | 94 | -- | -- | -- | -- | -- | -- | -- |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 14,505 | 100.0 | 352 | 17,028 | 100.0 | 1,201 | 14,046 | 100.0 | 1,168 | No |
| Drove alone | 11,680 | 80.5 | 375 | 13,215 | 77.6 | 1,145 | 10,406 | 74.1 | 915 | Yes |
| 2-person Carpool | 1,110 | 7.7 | 167 | 1,130 | 6.6 | 312 | 1,508 | 10.7 | 414 | No |
| 3-or-more-person Carpool | 315 | 2.2 | 91 | 530 | 3.1 | 324 | 214 | 1.5 | 117 | No |
| Transit | 594 | 4.1 | 124 | 1,197 | 7.0 | 349 | 1,003 | 7.1 | 451 | No |
| Bike | 15 | 0.1 | 20 | 54 | 0.3 | 69 | 0 | 0.0 | 113 | No |
| Walked | 310 | 2.1 | 90 | 580 | 3.4 | 287 | 590 | 4.2 | 260 | Yes |
| Taxi, Motorcycle and Other means | 140 | 1.0 | 61 | 83 | 0.5 | 88 | 107 | 0.8 | 87 | No |
| Worked at Home | 335 | 2.3 | 94 | 239 | 1.4 | 193 | 218 | 1.6 | 126 | No |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
|||
|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 31.5 | 1.2 | -- | -- | -- | -- | -- |
| Drove alone | 28.4 | 1.3 | -- | -- | -- | -- | -- |
| Carpooled | 34.8 | 4.0 | -- | -- | -- | -- | -- |
| Transit | 48.9 | 3.4 | -- | -- | -- | -- | -- |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 15.8 | 3.3 | -- | -- | -- | -- | -- |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136