Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Office of Planning, Environment, & Realty (HEP)
Planning · Environment · Real Estate

HEP Events Guidance Publications Glossary Awards Contacts

2006-2010 Transportation Profiles

CTPP logo

Geographic Area: District of Columbia FIPS: 11

Download an Excel file of this document: profile_district_of_columbia.xls.

Excel files can be viewed with the Excel Viewer

Table 1. Selected Characteristics
Table 1. Selected Characteristics Census 2000 2006-2010 ACS 2010 Census Is Change between Census 2000 and 2006-2010 ACS Significant in Number?**
Value MOE(+/-) Value MOE(+/-)
Total Persons 1 572,059 -- 584,400 0 601,723 --
Persons in Households 2 536,373 875 545,221 0 561,702 Yes
Total Households 3 248,590 737 257,317 1,314 266,707 Yes
Average Number of Persons per Household 4 2.16 0.02 2.12 0.01 2.11 Yes
Average Household Income 5 $64,355 $641 $91,778 $1,328 -- Yes
Average Number of Vehicles per Household 6 0.89 0.01 0.90 0.01 -- No
Percent of Persons in Poverty 7 20.20 0.30 18.50 0.01 -- Yes
Percent Minority 8 69.40 0.30 61.90 0.00 61.50 Yes
Percent of Persons 65 and Over 9 12.30 0.20 11.50 0.00 11.40 Yes
Percent of Persons Foreign Born 10 12.90 0.20 13.00 0.00 -- No
Total Workers at Place of Residence11 266,381 1,804 300,251 2,608 -- Yes
Table 2. Mode to Work
Table 2. Mode to Work 12 CTPP2000 2006-2010 ACS Is Change Significant in number?** CTPP2000 2006-2010 ACS Is Change Significant in number?**
Number Percent MOE(+/-)* Number Percent MOE(+/-)* Number Percent MOE(+/-)* Number Percent MOE(+/-)*
At Place of Residence At Place of Work
Total Workers 260,885 100.0 1,801 292,979 100.0 2,616 Yes 671,680 100.0 0 754,615 100.0 5,876 Yes
Drove alone 100,170 38.4 1,375 105,104 35.9 2,365 Yes 310,690 46.3 1,802 328,735 43.6 4,403 Yes
2-person Carpool 21,430 8.2 687 14,835 5.1 915 Yes 73,160 10.9 1,208 56,906 7.5 1,929 Yes
3-or-more-person Carpool 7,175 2.8 402 4,312 1.5 1,391 Yes 37,310 5.6 893 26,140 3.5 1,231 Yes
Public Transportation 84,460 32.4 1,283 110,108 37.6 2,387 Yes 197,590 29.4 1,720 277,091 36.7 3,254 Yes
Bike 3,035 1.2 263 6,557 2.2 544 Yes 4,075 0.6 304 8,192 1.1 622 Yes
Walked 30,785 11.8 816 34,897 11.9 1,392 Yes 31,670 4.7 827 35,646 4.7 1,299 Yes
Taxi, Motorcycle and Other means 3,900 1.5 298 3,534 1.2 460 No 7,245 1.1 404 8,273 1.1 522 Yes
Worked at Home 9,930 3.8 472 13,632 4.7 907 Yes 9,930 1.5 472 13,632 1.8 907 Yes
Table 3. Mean Travel Time by Mode to Work
Table 3. Mean Travel Time by Mode to Work 13 Census 2000 2006-2010 ACS Is Change Significant in Minutes?**
Minutes MOE(+/-) Minutes MOE(+/-)
Total Workers (does not include workers who worked at home) 29.7 0.2 29.3 0.5 No
Drove alone 26.6 0.3 26.4 0.9 No
Carpooled 29.0 0.7 26.4 2.8 No
Public Transportation 38.7 0.4 37.4 1.3 No
Taxi, Motorcycle, Walk, Bicycle and Other means 18.2 0.5 17.7 1.0 No

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, 2006-2010 ACS Table B01003 and Census 2010 SF1 Table QT-P1

2 Census 2000 SF3 Table P9, 2006-2010 ACS Table B09016 and Census 2010 Table QT-P12

3 Census 2000 SF3 Table P10, 2006-2010 ACS Table B19001 and Census 2010 Table QT-P11

4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10, 2006-2010 ACS Table B09016 divided 2006-2010 ACS Table B19001 and Census 2010 Table QT-P11

5 CTPP2000 Table 1-090 and 2006-2010 ACS Table B19025

6 Census 2000 SF3 Table H46 and 2006-2010 ACS Table B25046

7 Census 2000 SF3 Table P87 and 2006 -2010 ACS Table B17001

8 Census 2000 SF3 Table P6, 2006-2010 ACS Table B02001 and Census 2010 SF1 Table QT-P3

9 Census 2000 SF3 Table P8, 2006-2010 ACS Table B01001 and Census 2010 Table QT-P1

10 Census 2000 SF3 Table P21 and 2006-2010 ACS Table B06003

11 Census 2000 SF3 Table P43 and 2006-2010 ACS Table B23001

12 Residence place information is from CTPP2000 Table 1-002 and 2006- 2010 ACS Table B08301 and workplace information is from CTPP2000 Table 2-002 and 2006-2010 ACS Table B08406

13 CTPP2000 Table 1-118 and 2006-2010 ACS Table C08136

Updated: 11/20/2012
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000