AFF Table

Subject	Percent of total	MOE	Mean income (dollars)	MOE
HOUSEHOLD INCOME
All households	4,817,757	+/-45100	57,157	+/-913
With earnings	76.4	+/-0.5	60,315	+/-965
With interest, dividends, or net rental income	29.7	+/-0.7	8,508	+/-814
With Social Security income	31.3	+/-0.4	13,410	+/-147
With Supplemental Security Income (SSI)	4.5	+/-0.3	7,225	+/-242
With cash public assistance income	2.6	+/-0.2	2,867	+/-253
With retirement income	19.7	+/-0.6	14,237	+/-430

FAMILY INCOME BY NUMBER OF WORKERS IN FAMILY
All families	3,216,764	+/-41114	67,851	+/-1136
No workers	15.3	+/-0.5	33,166	+/-1237
1 worker	30.3	+/-0.7	54,000	+/-2131
2 workers, husband and wife worked	33.5	+/-0.8	85,948	+/-2030
2 workers, other	2.8	+/-0.3	192,823	+/-17036
3 or more workers, husband and wife worked	10.3	+/-0.4	101,486	+/-2466
3 or more workers, other	0.8	+/-0.1	227,050	+/-32746

PER CAPITA INCOME BY RACE AND HISPANIC OR LATINO ORIGIN
Total population	11,957,883	*****	23,511	+/-326
One race--
White	84.8	+/-0.2	24,932	+/-348
Black or African American	10.0	+/-0.1	15,056	+/-656
American Indian and Alaska Native	0.1	+/-0.1	19,535	+/-5500
Asian	2.2	+/-0.1	23,403	+/-1886
Native Hawaiian and Other Pacific Islander	0.0	+/-0.1	4,814	+/-7225
Some other race	1.8	+/-0.2	11,699	+/-1394
Two or more races	1.1	+/-0.1	10,912	+/-1722

Hispanic or Latino origin (of any race)	3.7	+/-0.1	13,318	+/-1356
White alone, not Hispanic or Latino	83.1	+/-0.1	25,106	+/-360

PERCENT IMPUTED
Household income in the past 12 months	26.0	(X)	(X)	(X)
Family income in the past 12 months	25.9	(X)	(X)	(X)
Individual income in the past 12 months	19.3	(X)	(X)	(X)

Source: U.S. Census Bureau, 2004 American Community Survey

Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted roughly as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables.

Explanation of Symbols:

1. An '*' entry in the margin of error column indicates that too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate.

2. An '**' entry in the margin of error column indicates that no sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate.

3. An '-' entry in the estimate column indicates that no sample observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest interval or upper interval of an open-ended distribution.

4. An '-' following a median estimate means the median falls in the lowest interval of an open-ended distribution.

5. An '+' following a median estimate means the median falls in the upper interval of an open-ended distribution.

6. An '***' entry in the margin of error column indicates that the median falls in the lowest interval or upper interval of an open-ended distribution. A statistical test is not appropriate.

7. An '*****' entry in the margin of error column indicates that the estimate is controlled. A statistical test for sampling variability is not appropriate.

8. An 'N' entry in the estimate and margin of error columns indicates that data for this geographic area cannot be displayed because the number of sample cases is too small.

9. An '(X)' means that the estimate is not applicable or not available.

Prepared By: The Pennsylvania State Data Center 02/1/2006