Download an Excel file* of this document: profile_maryland__washington_county.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 | 131,923 | -- | 145,453 | -- | 147,430 | 148,595 | -- | -- |
| Persons in Households 2 | 122,584 | 480 | 138,434 | -- | 139,005 | 140,437 | -- | -- |
| Total Households 3 | 49,708 | 285 | 55,314 | 834 | 55,687 | 55,790 | 829 | Yes |
| Average Number of Persons per Household 4 | 2.47 | 0.04 | 2.50 | 0.03 | 2.50 | 2.52 | 0.04 | No |
| Average Household Income 5 | $49,380 | $958 | $64,622 | $2,249 | -- | $67,874 | $2,527 | Yes |
| Average Number of Vehicles per Household 6 | 1.78 | 0.03 | 1.90 | 0.05 | -- | 1.89 | 0.05 | Yes |
| Percent of Persons in Poverty 7 | 9.50 | 0.40 | 10.60 | 1.19 | -- | 12.50 | 1.27 | Yes |
| Percent Minority 8 | 10.10 | 0.40 | 13.90 | 0.29 | 14.90 | 15.10 | 0.41 | Yes |
| Percent of Persons 65 and Over 9 | 14.20 | 0.50 | 14.10 | 0.59 | 14.30 | 14.50 | 0.60 | No |
| Percent of Persons Foreign Born 10 | 1.90 | 0.20 | 3.80 | 0.52 | -- | 4.90 | 0.62 | Yes |
| Total Workers at Place of Residence11 | 61,613 | 933 | 71,495 | 1,759 | -- | 68,454 | 1,665 | Yes |
| 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 | 60,595 | 100.0 | 932 | 69,209 | 100.0 | 1,364 | 66,867 | 100.0 | 1,657 | Yes |
| Drove alone | 48,815 | 80.6 | 903 | 54,952 | 79.4 | 1,529 | 54,619 | 81.7 | 1,627 | Yes |
| 2-person Carpool | 5,710 | 9.4 | 381 | 6,920 | 10.0 | 851 | 5,473 | 8.2 | 701 | No |
| 3-or-more-person Carpool | 1,500 | 2.5 | 198 | 2,107 | 3.0 | 463 | 1,399 | 2.1 | 315 | No |
| Transit | 440 | 0.7 | 108 | 1,067 | 1.5 | 393 | 696 | 1.0 | 246 | No |
| Bike | 80 | 0.1 | 46 | 31 | 0.0 | 35 | 175 | 0.3 | 118 | No |
| Walked | 1,285 | 2.1 | 184 | 1,210 | 1.7 | 382 | 1,210 | 1.8 | 319 | No |
| Taxi, Motorcycle and Other means | 760 | 1.3 | 142 | 838 | 1.2 | 317 | 693 | 1.0 | 222 | No |
| Worked at Home | 2,010 | 3.3 | 229 | 2,084 | 3.0 | 364 | 2,602 | 3.9 | 424 | Yes |
| 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 | 64,670 | 100.0 | 935 | 66,937 | 100.0 | 2,014 | 68,726 | 100.0 | 2,133 | Yes |
| Drove alone | 53,440 | 82.6 | 918 | 54,972 | 82.1 | 1,905 | 57,059 | 83.0 | 1,953 | Yes |
| 2-person Carpool | 5,680 | 8.8 | 380 | 5,660 | 8.5 | 796 | 5,011 | 7.3 | 671 | No |
| 3-or-more-person Carpool | 1,190 | 1.8 | 177 | 1,782 | 2.7 | 424 | 1,890 | 2.8 | 599 | Yes |
| Transit | 305 | 0.5 | 90 | 455 | 0.7 | 203 | 345 | 0.5 | 160 | No |
| Bike | 80 | 0.1 | 46 | 31 | 0.0 | 35 | 175 | 0.3 | 118 | No |
| Walked | 1,265 | 2.0 | 182 | 1,175 | 1.8 | 389 | 1,155 | 1.7 | 317 | No |
| Taxi, Motorcycle and Other means | 690 | 1.1 | 135 | 778 | 1.2 | 311 | 489 | 0.7 | 184 | No |
| Worked at Home | 2,010 | 3.1 | 229 | 2,084 | 3.1 | 364 | 2,602 | 3.8 | 424 | Yes |
| 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) | 25.1 | 0.6 | 28.2 | 1.3 | 27.7 | 1.4 | Yes |
| Drove alone | 23.9 | 0.6 | 26.3 | 1.3 | 26.7 | 1.5 | Yes |
| Carpooled | 34.4 | 2.2 | 37.3 | 7.0 | 34.0 | 5.9 | No |
| Transit | 65.2 | 12.0 | 56.3 | 30.2 | 67.2 | 34.7 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 12.5 | 2.0 | 22.6 | 13.6 | 21.6 | 8.5 | Yes |
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