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

Geographic Area: Porter County, Indiana FIPS: 18127

Download an Excel file* of this document: profile_indiana__porter_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	40,230	100.0	691	42,219	100.0	1,083	40,688	100.0	968	No
Drove alone	34,635	86.1	658	36,152	85.6	1,182	34,605	85.0	1,154	No
2-person Carpool	2,735	6.8	210	2,522	6.0	451	2,698	6.6	537	No
3-or-more-person Carpool	495	1.2	90	509	1.2	198	510	1.3	207	No
Transit	489	1.2	89	676	1.6	205	439	1.1	176	No
Bike	105	0.3	41	156	0.4	124	268	0.7	152	Yes
Walked	655	1.6	103	362	0.9	154	374	0.9	179	Yes
Taxi, Motorcycle and Other means	295	0.7	69	309	0.7	136	202	0.5	140	No
Worked at Home	835	2.1	117	1,533	3.6	362	1,592	3.9	401	Yes

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	32,210	100.0	642	35,136	100.0	962	33,337	100.0	1,034	No
Drove alone	27,285	84.7	603	29,957	85.3	953	29,604	88.8	1,123	Yes
2-person Carpool	2,010	6.2	180	2,301	6.5	473	1,390	4.2	347	Yes
3-or-more-person Carpool	445	1.4	85	317	0.9	153	380	1.1	136	No
Transit	435	1.4	84	772	2.2	332	315	0.9	149	No
Bike	50	0.2	29	53	0.2	64	32	0.1	40	No
Walked	900	2.8	121	654	1.9	251	258	0.8	154	Yes
Taxi, Motorcycle and Other means	90	0.3	38	17	0.0	21	52	0.2	63	No
Worked at Home	995	3.1	127	1,065	3.0	280	1,306	3.9	314	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