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Eureka, SD Historical Age Data

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ACS 2010-2014 data

Total population: 879

Median Age (see rank)

Eureka, SD	60.00 years old
South Dakota	36.80 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Eureka, SD	54.30 years old
South Dakota	35.60 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Eureka, SD	65.10 years old
South Dakota	38.20 years old
U.S.	38.80 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	20	2.28%, see rank	7.10%	6.36%
5 to 9 years	58	6.60%, see rank	6.91%	6.51%
10 to 14 years	47	5.35%, see rank	6.64%	6.59%
15 to 19 years	48	5.46%, see rank	6.95%	6.85%
20 to 24 years	8	0.91%, see rank	7.15%	7.13%
25 to 34 years	49	5.57%, see rank	13.12%	13.47%
35 to 44 years	69	7.85%, see rank	11.34%	12.96%
45 to 54 years	80	9.10%, see rank	13.41%	14.09%
55 to 64 years	128	14.56%, see rank	12.72%	12.29%
65 to 74 years	102	11.60%, see rank	7.51%	7.64%
75 to 84	153	17.41%, see rank	4.78%	4.25%
85 years and over	117	13.31%, see rank	2.36%	1.85%

US Census 2010 data

Total population: 868

Median Age (see rank)

Eureka, SD	63.50 years old
South Dakota	36.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Eureka, SD	60.30 years old
South Dakota	35.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Eureka, SD	65.70 years old
South Dakota	38.20 years old
U.S.	38.50 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	22	2.53%, see rank	7.32%	6.54%
5 to 9 years	33	3.80%, see rank	6.82%	6.59%
10 to 14 years	34	3.92%, see rank	6.63%	6.70%
15 to 19 years	36	4.15%, see rank	7.08%	7.14%
20 to 24 years	10	1.15%, see rank	7.07%	6.99%
25 to 34 years	37	4.26%, see rank	12.95%	13.30%
35 to 44 years	46	5.30%, see rank	11.44%	13.30%
45 to 54 years	105	12.10%, see rank	14.36%	14.58%
55 to 64 years	132	15.21%, see rank	12.01%	11.82%
65 to 74 years	147	16.94%, see rank	7.08%	7.03%
75 to 84	164	18.89%, see rank	4.88%	4.23%
85 years and over	102	11.75%, see rank	2.36%	1.78%

ACS 2008-2012 data

Total population: 883

Median Age (see rank)

Eureka, SD	61.40 years old
South Dakota	37.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Eureka, SD	59.20 years old
South Dakota	35.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Eureka, SD	65.00 years old
South Dakota	38.50 years old
U.S.	38.50 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	14	1.59%, see rank	7.14%	6.51%
5 to 9 years	59	6.68%, see rank	6.69%	6.57%
10 to 14 years	41	4.64%, see rank	6.73%	6.68%
15 to 19 years	36	4.08%, see rank	7.20%	7.09%
20 to 24 years	13	1.47%, see rank	7.06%	7.04%
25 to 34 years	28	3.17%, see rank	12.84%	13.32%
35 to 44 years	60	6.80%, see rank	11.55%	13.34%
45 to 54 years	100	11.33%, see rank	14.25%	14.44%
55 to 64 years	138	15.63%, see rank	12.14%	11.84%
65 to 74 years	156	17.67%, see rank	7.11%	7.12%
75 to 84	162	18.35%, see rank	4.91%	4.25%
85 years and over	76	8.61%, see rank	2.37%	1.78%

ACS 2006-2010 data

Total population: 969

Median Age (see rank)

Eureka, SD	59.60 years old
South Dakota	37.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Eureka, SD	58.30 years old
South Dakota	35.80 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Eureka, SD	62.80 years old
South Dakota	38.50 years old
U.S.	38.10 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	10	1.03%, see rank	7.07%	6.62%
5 to 9 years	61	6.30%, see rank	6.54%	6.62%
10 to 14 years	35	3.61%, see rank	7.00%	6.79%
15 to 19 years	51	5.26%, see rank	7.35%	7.28%
20 to 24 years	15	1.55%, see rank	7.21%	6.98%
25 to 34 years	29	2.99%, see rank	12.43%	13.22%
35 to 44 years	52	5.37%, see rank	12.10%	13.89%
45 to 54 years	147	15.17%, see rank	14.72%	14.57%
55 to 64 years	156	16.10%, see rank	11.32%	11.28%
65 to 74 years	142	14.65%, see rank	6.87%	6.74%
75 to 84	182	18.78%, see rank	5.07%	4.30%
85 years and over	89	9.18%, see rank	2.32%	1.70%

ACS 2005-2009 data

Total population: 845

Median Age (see rank)

Eureka, SD	66.40 years old
South Dakota	37.00 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Eureka, SD	63.70 years old
South Dakota	35.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Eureka, SD	67.60 years old
South Dakota	38.40 years old
U.S.	37.90 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	11	1.30%, see rank	7.07%	6.92%
5 to 9 years	29	3.43%, see rank	6.43%	6.59%
10 to 14 years	37	4.38%, see rank	6.83%	6.83%
15 to 19 years	39	4.62%, see rank	7.56%	7.15%
20 to 24 years	4	0.47%, see rank	7.61%	7.02%
25 to 34 years	18	2.13%, see rank	12.29%	13.42%
35 to 44 years	34	4.02%, see rank	12.31%	14.18%
45 to 54 years	126	14.91%, see rank	14.58%	14.48%
55 to 64 years	113	13.37%, see rank	10.99%	10.81%
65 to 74 years	157	18.58%, see rank	6.80%	6.50%
75 to 84	193	22.84%, see rank	5.20%	4.40%
85 years and over	84	9.94%, see rank	2.35%	1.71%

US Census 2000 data

Total population: 1,101

Median Age (see rank)

Eureka, SD	60.90 years old
South Dakota	35.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Eureka, SD	56.80 years old
South Dakota	34.40 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Eureka, SD	65.20 years old
South Dakota	36.70 years old
U.S.	36.50 years old

	Eureka, SD	% of the Total Population	South Dakota	U.S.
Under 5 years	36	3.27%, see rank	6.77%	6.81%
5 to 9 years	51	4.63%, see rank	7.22%	7.30%
10 to 14 years	54	4.90%, see rank	7.88%	7.29%
15 to 19 years	51	4.63%, see rank	8.27%	7.18%
20 to 24 years	27	2.45%, see rank	7.00%	6.74%
25 to 34 years	56	5.09%, see rank	12.06%	14.18%
35 to 44 years	106	9.63%, see rank	15.29%	16.04%
45 to 54 years	102	9.26%, see rank	12.94%	13.39%
55 to 64 years	118	10.72%, see rank	8.26%	8.63%
65 to 74 years	204	18.53%, see rank	7.04%	6.54%
75 to 84	199	18.07%, see rank	5.16%	4.39%
85 years and over	97	8.81%, see rank	2.13%	1.51%

* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.