Table 22.

Number and percentage distribution of family households, by family structure and presence of own children under 18: Selected years, 1970 through 2011

[Standard errors appear in parentheses]
Family structure and presence of children	1970		1980		1990		2000		2007		2008		2009		2010		2011		Change, 1990 to 2000			Change, 2000 to 2011
1	2		3		4		5		6		7		8		9		10		11			12
	Number (in thousands)																		Percent change
All families	51,456	(257.3)	59,550	(271.4)	66,090	(307.8)	72,025	(311.6)	78,425	(227.5)	77,873	(240.1)	78,850	(241.0)	78,833	(241.0)	78,613	(240.8)	9.0		(0.69)	9.1		(0.58)
Married-couple families	44,728	(243.6)	49,112	(252.7)	52,317	(283.3)	55,311	(289.5)	58,945	(211.3)	58,370	(218.6)	59,118	(219.6)	58,410	(218.6)	58,036	(218.1)	5.7		(0.80)	4.9		(0.68)
Without own children under 18	19,196	(168.7)	24,151	(187.3)	27,780	(218.1)	30,062	(230.5)	32,787	(170.6)	33,197	(174.7)	33,989	(176.5)	33,835	(176.1)	34,098	(176.7)	8.2		(1.19)	13.4		(1.05)
With own children under 18	25,532	(192.0)	24,961	(190.1)	24,537	(206.4)	25,248	(214.1)	26,158	(155.2)	25,173	(154.7)	25,129	(154.6)	24,575	(153.1)	23,938	(151.3)	2.9	!	(1.23)	-5.2		(1.00)
One own child under 18	8,163	(112.5)	9,671	(122.0)	9,583	(133.0)	9,402	(136.2)	10,127	(100.7)	9,733	(99.3)	9,732	(99.3)	9,567	(98.5)	9,300	(97.1)	-1.9		(1.97)	‡		(†)
Two own children under 18	8,045	(111.7)	9,488	(120.9)	9,784	(134.3)	10,274	(142.1)	10,497	(102.4)	9,886	(100.0)	9,861	(99.9)	9,658	(98.9)	9,527	(98.3)	5.0	!	(2.05)	-7.3		(1.60)
Three or more own children
under 18	9,325	(119.9)	5,802	(95.3)	5,170	(98.5)	5,572	(105.9)	5,534	(75.3)	5,555	(75.6)	5,536	(75.5)	5,351	(74.3)	5,111	(72.6)	7.8	!	(2.90)	-8.3		(2.18)
Families with male householder,    no spouse present	1,228	(44.2)	1,733	(52.5)	2,884	(73.9)	4,028	(90.4)	5,063	(72.1)	5,100	(72.5)	5,252	(73.6)	5,580	(75.8)	5,559	(75.7)	39.7		(4.76)	38.0		(3.62)
Without own children under 18	887	(37.6)	1,117	(42.2)	1,731	(57.4)	2,242	(67.7)	3,049	(56.2)	2,937	(55.3)	3,141	(57.1)	3,356	(59.0)	3,334	(58.8)	29.5		(5.81)	48.7		(5.20)
With own children under 18	341	(23.3)	616	(31.3)	1,153	(46.9)	1,786	(60.5)	2,015	(45.8)	2,162	(47.5)	2,111	(46.9)	2,224	(48.2)	2,225	(48.2)	54.9		(8.20)	24.6		(5.01)
One own child under 18	179	(16.9)	374	(24.4)	723	(37.2)	1,131	(48.2)	1,243	(36.1)	1,323	(37.2)	1,300	(36.9)	1,375	(37.9)	1,337	(37.4)	56.4		(10.45)	18.2	!	(6.03)
Two own children under 18	87	(11.8)	165	(16.2)	307	(24.2)	483	(31.6)	553	(24.1)	597	(25.0)	583	(24.7)	576	(24.6)	627	(25.7)	57.3		(16.12)	29.8	!	(10.01)
Three or more own children     under 18	75	(10.9)	77	(11.1)	123	(15.3)	171	(18.8)	218	(15.1)	242	(15.9)	229	(15.5)	273	(16.9)	262	(16.6)	‡		(†)	53.2	!	(19.44)
Families with female householder,    no spouse present	5,500	(92.8)	8,705	(116.0)	10,890	(141.4)	12,687	(156.9)	14,416	(118.9)	14,404	(119.7)	14,480	(120.0)	14,843	(121.4)	15,019	(122.1)	16.5		(2.09)	18.4		(1.75)
Without own children under 18	2,642	(64.7)	3,261	(71.8)	4,290	(89.9)	5,116	(101.6)	5,832	(77.2)	6,030	(78.7)	6,086	(79.1)	6,424	(81.2)	6,422	(81.2)	19.3		(3.44)	25.5		(2.95)
With own children under 18	2,858	(67.2)	5,445	(92.3)	6,599	(111.0)	7,571	(122.8)	8,585	(93.1)	8,374	(92.4)	8,394	(92.5)	8,419	(92.6)	8,597	(93.5)	14.7		(2.68)	13.6		(2.22)
One own child under 18	1,008	(40.1)	2,398	(61.6)	3,225	(78.1)	3,777	(87.6)	4,280	(66.4)	4,104	(65.2)	4,185	(65.8)	4,207	(66.0)	4,375	(67.3)	17.1		(3.93)	15.8		(3.22)
Two own children under 18	810	(35.9)	1,817	(53.7)	2,173	(64.2)	2,458	(70.9)	2,765	(53.6)	2,675	(52.8)	2,696	(53.0)	2,714	(53.2)	2,681	(52.8)	13.1	!	(4.67)	9.1	!	(3.81)
Three or more own children     under 18	1,040	(40.7)	1,230	(44.2)	1,202	(47.9)	1,336	(52.4)	1,540	(40.1)	1,594	(40.8)	1,514	(39.8)	1,499	(39.6)	1,541	(40.1)	‡		(†)	15.3	!	(5.43)
	Percentage distribution of all families																		Change in percentage points
All families	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	100.0	(†)	†		(†)	†		(†)
Married-couple families	86.9	(0.19)	82.5	(0.20)	79.2	(0.22)	76.8	(0.23)	75.2	(0.16)	75.0	(0.16)	75.0	(0.16)	74.1	(0.16)	73.8	(0.16)	-2.4		(0.31)	-3.0		(0.28)
Without own children under 18	37.3	(0.27)	40.6	(0.25)	42.0	(0.27)	41.7	(0.26)	41.8	(0.18)	42.6	(0.18)	43.1	(0.18)	42.9	(0.18)	43.4	(0.18)	-0.3	!	(0.37)	1.6		(0.32)
With own children under 18	49.6	(0.28)	41.9	(0.26)	37.1	(0.26)	35.1	(0.26)	33.4	(0.17)	32.3	(0.17)	31.9	(0.17)	31.2	(0.17)	30.5	(0.17)	-2.1		(0.36)	-4.6		(0.31)
One own child under 18	15.9	(0.20)	16.2	(0.19)	14.5	(0.19)	13.1	(0.18)	12.9	(0.12)	12.5	(0.12)	12.3	(0.12)	12.1	(0.12)	11.8	(0.12)	-1.4		(0.26)	-1.2		(0.22)
Two own children under 18	15.6	(0.20)	15.9	(0.19)	14.8	(0.19)	14.3	(0.19)	13.4	(0.12)	12.7	(0.12)	12.5	(0.12)	12.3	(0.12)	12.1	(0.12)	-0.5	!	(0.27)	-2.1		(0.22)
Three or more own children     under 18	18.1	(0.21)	9.7	(0.15)	7.8	(0.14)	7.7	(0.14)	7.1	(0.09)	7.1	(0.09)	7.0	(0.09)	6.8	(0.09)	6.5	(0.09)	-0.1	!	(0.20)	-1.2		(0.17)
Families with male householder,    no spouse present	2.4	(0.09)	2.9	(0.09)	4.4	(0.11)	5.6	(0.12)	6.5	(0.09)	6.5	(0.09)	6.7	(0.09)	7.1	(0.09)	7.1	(0.09)	1.2		(0.17)	1.5		(0.15)
Without own children under 18	1.7	(0.07)	1.9	(0.07)	2.6	(0.09)	3.1	(0.09)	3.9	(0.07)	3.8	(0.07)	4.0	(0.07)	4.3	(0.07)	4.2	(0.07)	0.5		(0.13)	1.1		(0.12)
With own children under 18	0.7	(0.05)	1.0	(0.05)	1.7	(0.07)	2.5	(0.08)	2.6	(0.06)	2.8	(0.06)	2.7	(0.06)	2.8	(0.06)	2.8	(0.06)	0.7		(0.11)	0.4		(0.10)
One own child under 18	0.3	(0.03)	0.6	(0.04)	1.1	(0.06)	1.6	(0.07)	1.6	(0.05)	1.7	(0.05)	1.6	(0.05)	1.7	(0.05)	1.7	(0.05)	0.5		(0.09)	‡		(†)
Two own children under 18	0.2	(0.02)	0.3	(0.03)	0.5	(0.04)	0.7	(0.04)	0.7	(0.03)	0.8	(0.03)	0.7	(0.03)	0.7	(0.03)	0.8	(0.03)	0.2		(0.06)	0.1	!	(0.05)
Three or more own children     under 18	0.1	(0.02)	0.1	(0.02)	0.2	(0.02)	0.2	(0.03)	0.3	(0.02)	0.3	(0.02)	0.3	(0.02)	0.3	(0.02)	0.3	(0.02)	‡		(†)	0.1	!	(0.03)
Families with female householder,    no spouse present	10.7	(0.17)	14.6	(0.18)	16.5	(0.20)	17.6	(0.20)	18.4	(0.14)	18.5	(0.14)	18.4	(0.14)	18.8	(0.14)	19.1	(0.14)	1.1		(0.29)	1.5		(0.25)
Without own children under 18	5.1	(0.12)	5.5	(0.12)	6.5	(0.13)	7.1	(0.14)	7.4	(0.10)	7.7	(0.10)	7.7	(0.10)	8.1	(0.10)	8.2	(0.10)	0.6	!	(0.19)	1.1		(0.17)
With own children under 18	5.6	(0.13)	9.1	(0.15)	10.0	(0.16)	10.5	(0.16)	10.9	(0.11)	10.8	(0.11)	10.6	(0.11)	10.7	(0.11)	10.9	(0.11)	0.5	!	(0.23)	0.4	!	(0.20)
One own child under 18	2.0	(0.08)	4.0	(0.10)	4.9	(0.12)	5.2	(0.12)	5.5	(0.08)	5.3	(0.08)	5.3	(0.08)	5.3	(0.08)	5.6	(0.08)	0.4	!	(0.17)	0.3	!	(0.15)
Two own children under 18	1.6	(0.07)	3.1	(0.09)	3.3	(0.10)	3.4	(0.10)	3.5	(0.07)	3.4	(0.07)	3.4	(0.07)	3.4	(0.07)	3.4	(0.07)	‡		(†)	#		(†)
Three or more own children     under 18	2.0	(0.08)	2.1	(0.07)	1.8	(0.07)	1.9	(0.07)	2.0	(0.05)	2.0	(0.05)	1.9	(0.05)	1.9	(0.05)	2.0	(0.05)	#		(†)	‡		(†)

†Not applicable.

#Rounds to zero.

!Interpret data with caution. The coefficient of variation (CV) for this estimate is between 30 and 50 percent.

‡Reporting standards not met. The coefficient of variation (CV) for this estimate is 50 percent or greater.

NOTE: Own children are never-married sons and daughters, including stepchildren and adopted children, of the householder or married couple. Detail may not sum to totals because of rounding.

SOURCE: U.S. Department of Commerce, Census Bureau, Current Population Reports, Series P20, Household and Family Characteristics: 1995; and America’s Families and Living Arrangements: 2000 and 2005–2011, Current Population Survey (CPS), Annual Social and Economic Supplement, retrieved July 31, 2012, from http://www.census.gov/population/www/socdemo/hh-fam/cps2011.html. (This table was prepared August 2012.)