2000, 2007-2009 ACS, Census 2010 and 2010-2012 ACS

Geographic Area: Armstrong County, Pennsylvania FIPS: 42005

Download an Excel file* of this document: profile_pennsylvania__armstrong_county.xls.

Table 1a. Mode to Work by Gender
Table 1a. Mode to Work by Gender ¹	Census 2000			2007-2009 ACS			2010-2012 ACS			Is the numeric change between Census 2000 and 2010-2012 ACS Significant? **
Table 1a. Mode to Work by Gender ¹	Number	Percent	MOE(+/-)*	Number	Percent	MOE(+/-)*	Number	Percent	MOE(+/-)*
Male	At Place of Residence
Total Workers	16,495	100.0	457	15,855	100.0	532	16,069	100.0	542	No
Drove alone	13,365	81.0	422	12,971	81.8	583	13,043	81.2	522	No
2-person Carpool	1,510	9.2	156	1,432	9.0	258	1,527	9.5	245	No
3-or-more-person Carpool	365	2.2	77	512	3.2	174	406	2.5	136	No
Transit	20	0.1	18	32	0.2	32	12	0.1	14	No
Bike	30	0.2	22	24	0.2	30	0	0.0	98	No
Walked	590	3.6	98	344	2.2	173	421	2.6	129	Yes
Taxi, Motorcycle and Other means	143	0.9	48	184	1.2	85	231	1.4	107	No
Worked at Home	470	2.8	87	356	2.2	97	429	2.7	155	No

Table 1b. Mode to Work by Gender
Table 1b. Mode to Work by Gender ¹	Census 2000			2007-2009 ACS			2010-2012 ACS			Is the numeric change between Census 2000 and 2010-2012 ACS Significant? **
Table 1b. Mode to Work by Gender ¹	Number	Percent	MOE(+/-)*	Number	Percent	MOE(+/-)*	Number	Percent	MOE(+/-)*
Female	At Place of Residence
Total Workers	13,295	100.0	422	14,102	100.0	606	13,783	100.0	459	No
Drove alone	11,060	83.2	392	11,474	81.4	600	11,494	83.4	462	No
2-person Carpool	905	6.8	121	1,007	7.1	192	991	7.2	228	No
3-or-more-person Carpool	264	2.0	66	464	3.3	187	244	1.8	134	No
Transit	85	0.6	37	60	0.4	55	84	0.6	77	No
Bike	0	0.0	0	0	0.0	140	0	0.0	98	No
Walked	460	3.5	87	473	3.4	212	443	3.2	151	No
Taxi, Motorcycle and Other means	80	0.6	36	67	0.5	61	72	0.5	41	No
Worked at Home	440	3.3	85	557	3.9	158	455	3.3	115	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 Table 1-002, 2007-2009 ACS Table B08006 and 2010-2012 ACS B08006