Ada is a township in Perkins County, South Dakota.

Demographics	Zip 57620	County Average	State Average	National Average
Neighborhood type	Rural
Population	557	3,187	764,309	290,809,777
Population density	1.9	1.4	9.9	79.6
Percent male	53.7%	52.5%	49.6%	49.1%
Percent female	46.3%	47.5%	50.4%	50.9%
Median age	42.0	41.4	36.7	36.5
People per household	2.2	2.5	2.6	2.6
Median household income	$28,646	$28,759	$35,282	$41,994
Average income per capita	$17,053	$17,191	$17,562	$21,587
Crime	Zip 57620	County Average	State Average	National Average
Violent crime risk index	1.0	1.0	1.7	3.0
Property crime risk index	1.0	1.0	1.9	3.2
Housing	Zip 57620	County Average	State Average	National Average
Median home value	$42,798	$133,500	$102,500	$170,800
Median age of homes	42.0	41.9	42.4	27.8
Home appreciation	4.8%	5.1%	4.6%	7.7%
Homes - owned	62.1%	56.5%	61.2%	63.4%
Homes - rented	19.1%	13.5%	28.6%	21.7%
Homes - vacant	18.8%	30.0%	10.2%	14.8%
Commuting by bus	0.0%	0.0%	0.5%	2.0%
Commuting by carpool	9.9%	9.5%	10.4%	14.6%
Commuting by auto	49.5%	42.5%	77.4%	71.6%
Working at home	24.4%	33.9%	6.5%	5.6%
Family Facts	Zip 57620	County Average	State Average	National Average
Currently married	65.1%	68.9%	57.1%	58.3%
Never married	19.0%	18.9%	26.1%	23.8%
Divorced	5.5%	4.3%	8.8%	7.7%
Widowed	10.1%	7.2%	7.0%	7.4%
Separated	0.4%	0.7%	1.0%	2.8%
Married - w/ children	26.5%	28.6%	36.6%	28.5%
Married - no children	31.3%	35.5%	44.4%	31.3%
Single - w/ children	4.5%	4.0%	12.4%	9.3%
Single - no children	37.7%	32.0%	6.6%	30.7%
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