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Lyman County Historical Age Data

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ACS 2010-2014 data

Total population: 3,831

Median Age (see rank)

Lyman County	35.90 years old
South Dakota	36.80 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Lyman County	34.40 years old
South Dakota	35.60 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Lyman County	37.30 years old
South Dakota	38.20 years old
U.S.	38.80 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	310	8.09%, see rank	7.10%	6.36%
5 to 9 years	342	8.93%, see rank	6.91%	6.51%
10 to 14 years	266	6.94%, see rank	6.64%	6.59%
15 to 19 years	284	7.41%, see rank	6.95%	6.85%
20 to 24 years	232	6.06%, see rank	7.15%	7.13%
25 to 34 years	448	11.69%, see rank	13.12%	13.47%
35 to 44 years	385	10.05%, see rank	11.34%	12.96%
45 to 54 years	512	13.36%, see rank	13.41%	14.09%
55 to 64 years	484	12.63%, see rank	12.72%	12.29%
65 to 74 years	329	8.59%, see rank	7.51%	7.64%
75 to 84	178	4.65%, see rank	4.78%	4.25%
85 years and over	61	1.59%, see rank	2.36%	1.85%

US Census 2010 data

Total population: 3,755

Median Age (see rank)

Lyman County	36.10 years old
South Dakota	36.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Lyman County	34.20 years old
South Dakota	35.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Lyman County	38.80 years old
South Dakota	38.20 years old
U.S.	38.50 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	283	7.54%, see rank	7.32%	6.54%
5 to 9 years	304	8.10%, see rank	6.82%	6.59%
10 to 14 years	312	8.31%, see rank	6.63%	6.70%
15 to 19 years	301	8.02%, see rank	7.08%	7.14%
20 to 24 years	210	5.59%, see rank	7.07%	6.99%
25 to 34 years	429	11.42%, see rank	12.95%	13.30%
35 to 44 years	398	10.60%, see rank	11.44%	13.30%
45 to 54 years	541	14.41%, see rank	14.36%	14.58%
55 to 64 years	429	11.42%, see rank	12.01%	11.82%
65 to 74 years	310	8.26%, see rank	7.08%	7.03%
75 to 84	186	4.95%, see rank	4.88%	4.23%
85 years and over	52	1.38%, see rank	2.36%	1.78%

ACS 2008-2012 data

Total population: 3,752

Median Age (see rank)

Lyman County	36.80 years old
South Dakota	37.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Lyman County	33.30 years old
South Dakota	35.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Lyman County	39.90 years old
South Dakota	38.50 years old
U.S.	38.50 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	291	7.76%, see rank	7.14%	6.51%
5 to 9 years	319	8.50%, see rank	6.69%	6.57%
10 to 14 years	300	8.00%, see rank	6.73%	6.68%
15 to 19 years	315	8.40%, see rank	7.20%	7.09%
20 to 24 years	203	5.41%, see rank	7.06%	7.04%
25 to 34 years	404	10.77%, see rank	12.84%	13.32%
35 to 44 years	387	10.31%, see rank	11.55%	13.34%
45 to 54 years	551	14.69%, see rank	14.25%	14.44%
55 to 64 years	423	11.27%, see rank	12.14%	11.84%
65 to 74 years	313	8.34%, see rank	7.11%	7.12%
75 to 84	181	4.82%, see rank	4.91%	4.25%
85 years and over	65	1.73%, see rank	2.37%	1.78%

ACS 2006-2010 data

Total population: 3,736

Median Age (see rank)

Lyman County	34.90 years old
South Dakota	37.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Lyman County	32.90 years old
South Dakota	35.80 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Lyman County	39.80 years old
South Dakota	38.50 years old
U.S.	38.10 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	305	8.16%, see rank	7.07%	6.62%
5 to 9 years	309	8.27%, see rank	6.54%	6.62%
10 to 14 years	309	8.27%, see rank	7.00%	6.79%
15 to 19 years	305	8.16%, see rank	7.35%	7.28%
20 to 24 years	205	5.49%, see rank	7.21%	6.98%
25 to 34 years	437	11.70%, see rank	12.43%	13.22%
35 to 44 years	426	11.40%, see rank	12.10%	13.89%
45 to 54 years	526	14.08%, see rank	14.72%	14.57%
55 to 64 years	382	10.22%, see rank	11.32%	11.28%
65 to 74 years	294	7.87%, see rank	6.87%	6.74%
75 to 84	164	4.39%, see rank	5.07%	4.30%
85 years and over	74	1.98%, see rank	2.32%	1.70%

ACS 2005-2009 data

Total population: 3,855

Median Age (see rank)

Lyman County	36.70 years old
South Dakota	37.00 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Lyman County	33.30 years old
South Dakota	35.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Lyman County	39.50 years old
South Dakota	38.40 years old
U.S.	37.90 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	327	8.48%, see rank	7.07%	6.92%
5 to 9 years	338	8.77%, see rank	6.43%	6.59%
10 to 14 years	316	8.20%, see rank	6.83%	6.83%
15 to 19 years	318	8.25%, see rank	7.56%	7.15%
20 to 24 years	232	6.02%, see rank	7.61%	7.02%
25 to 34 years	366	9.49%, see rank	12.29%	13.42%
35 to 44 years	448	11.62%, see rank	12.31%	14.18%
45 to 54 years	568	14.73%, see rank	14.58%	14.48%
55 to 64 years	409	10.61%, see rank	10.99%	10.81%
65 to 74 years	311	8.07%, see rank	6.80%	6.50%
75 to 84	159	4.12%, see rank	5.20%	4.40%
85 years and over	63	1.63%, see rank	2.35%	1.71%

US Census 2000 data

Total population: 3,895

Median Age (see rank)

Lyman County	34.50 years old
South Dakota	35.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Lyman County	33.50 years old
South Dakota	34.40 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Lyman County	35.70 years old
South Dakota	36.70 years old
U.S.	36.50 years old

	Lyman County	% of the Total Population	South Dakota	U.S.
Under 5 years	336	8.63%, see rank	6.77%	6.81%
5 to 9 years	349	8.96%, see rank	7.22%	7.30%
10 to 14 years	345	8.86%, see rank	7.88%	7.29%
15 to 19 years	316	8.11%, see rank	8.27%	7.18%
20 to 24 years	199	5.11%, see rank	7.00%	6.74%
25 to 34 years	426	10.94%, see rank	12.06%	14.18%
35 to 44 years	582	14.94%, see rank	15.29%	16.04%
45 to 54 years	469	12.04%, see rank	12.94%	13.39%
55 to 64 years	345	8.86%, see rank	8.26%	8.63%
65 to 74 years	292	7.50%, see rank	7.04%	6.54%
75 to 84	170	4.36%, see rank	5.16%	4.39%
85 years and over	66	1.69%, 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.