好吧，让数字说话。这你该相信了吧！

top 10% income family's average asset are 1M or 3M in 2007, depends on how you look at it.

Family net worth, by selected characteristics of families, 1989–2007 surveys[20][21] Thousands of 2004 dollars
Family characteristic	1989		1992		1995		1998		2001		2004		2007
	Median	Mean	Median	Mean	Median	Mean	Median	Mean	Median	Mean	Median	Mean	Median	Mean
All Families	68.8	272.6	65.2	245.7	70.8	260.8	83.1	327.5	92.2	422.9	93.1	448.2	109.5	506.5
Percentiles of income
Less than 20	2.6	36.2	5.2	43.4	7.4	54.7	6.8	55.4	8.4	56.2	7.5	72.6	7.3	95.8
20-39.9	35.3	96.4	36.6	84.6	41.3	97.4	38.4	111.4	39.9	122.7	33.7	121.5	34.5	122.8
40-59.9	61.1	148.5	52.1	133.3	57.1	126.0	61.9	146.6	67.8	173.3	72.0	194.6	80.2	191.1
60-79.9	97.5	199.3	99.3	185.4	93.6	198.5	130.2	238.3	152.6	313.2	160.0	340.8	186.5	341.5
80-89.9	193.5	326.1	151.8	297.1	157.7	316.8	218.5	377.1	280.3	487.0	313.3	487.4	324.3	552.0
90-100	569.5	1,438.5	479.3	1,266.0	436.9	1,338.0	524.4	1,793.9	887.9	2,410.9	924.1	2,534.6	1,018.8	3,009.8

http://en.wikipedia.org/wiki/Wealth_in_the_United_States

250k earners are in top 1.5% 

Income range	Households (thousands)	Percent	Percentile	Mean number of earners	Mean household size
$0 to $25,000 (28.22%)				0.6	1.9
Under $2,500	2,566	2.26%	0	0.23	1.97
$2,500 to $4,999	1,389	1.22%	2.26%	0.52	2.04
$5,000 to $7,499	2,490	2.20%	3.48%	0.39	1.76
$7,500 to $9,999	3,360	2.96%	5.68%	0.33	1.66
$10,000 to $12,499	4,013	3.54%	8.64%	0.46	1.71
$12,500 to $14,999	3,543	3.13%	12.18%	0.50	1.84
$15,000 to $17,499	3,760	3.32%	15.31%	0.67	1.99
$17,500 to $19,999	3,438	3.03%	18.63%	0.73	2.10
$20,000 to $22,499	4,061	3.58%	21.66%	0.84	2.11
$22,500 to $24,999	3,375	2.98%	25.24%	0.79	2.14
$25,000 to $50,000 (26.65%)				1	2.5
$25,000 to $27,499	3,938	3.48%	28.22%	0.93	2.21
$27,500 to $29,999	2,889	2.55%	31.70%	1.01	2.30
$30,000 to $32,499	3,921	3.46%	34.25%	1.12	2.38
$32,500 to $34,999	2,727	2.41%	37.71%	1.17	2.39
$35,000 to $37,499	3,360	2.96%	40.12%	1.22	2.36
$37,500 to $39,999	2,633	2.32%	43.08%	1.25	2.49
$40,000 to $42,499	3,378	2.98%	45.40%	1.31	2.46
$42,500 to $44,999	2,294	2.02%	48.38%	1.38	2.60
National Median	$44,389		50.00%	1.35	2.57
$45,000 to $47,499	2,700	2.38%	50.40%	1.39	2.60
$47,500 to $49,999	2,371	2.09%	52.78%	1.49	2.62
$50,000 to $75,000 (18.27%)				2	3
$50,000 to $52,499	3,071	2.71%	54.87%	1.46	2.60
$52,500 to $54,999	2,006	1.77%	57.58%	1.58	2.72
$55,000 to $57,499	2,420	2.13%	59.35%	1.61	2.75
$57,500 to $59,999	1,786	1.57%	61.48%	1.70	2.87
$60,000 to $62,499	2,566	2.26%	63.05%	1.63	2.82
$62,500 to $64,999	1,774	1.56%	65.31%	1.79	2.89
$65,000 to $67,499	2,101	1.85%	66.87%	1.81	2.93
$67,500 to $69,999	1,637	1.44%	68.72%	1.74	2.80
$70,000 to $72,499	1,978	1.74%	70.16%	1.77	2.88
$72,500 to $74,999	1,413	1.24%	71.90%	1.82	3.00
$75,000 to $100,000 (10.93%)				2	3
$75,000 to $77,499	1,802	1.59%	73.14%	1.82	2.95
$77,500 to $79,999	1,264	1.11%	74.73%	1.98	3.04
$80,000 to $82,499	1,673	1.47%	75.84%	1.89	3.01
$82,500 to $84,999	1,219	1.07%	77.31%	1.97	3.10
$85,000 to $87,499	1,418	1.25%	78.38%	1.94	3.00
$87,500 to $89,999	984	0.86%	79.63%	1.98	3.03
$90,000 to $92,499	1,282	1.13%	80.49%	1.95	3.03
$92,500 to $94,999	917	0.81%	81.62%	2.17	3.25
$95,000 to $97,499	1,023	0.90%	82.43%	2.06	3.29
$97,500 to $99,999	846	0.74%	83.33%	2.12	3.33
$100,000 or more (15.93%)				2	3
$100,000 to $149,999	11,940	9.89%	84.07%	ca. 2	ca. 3
$150,000 to $199,999	3,595	3.17%	93.96%
$200,000 to $249,999	1,325	2.37%	97.13%
$250,000 and above	1,699	1.50%	98.50%

SOURCE: US Census Bureau, 2005^[6]