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Decorah, IA Historical Age Data

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ACS 2010-2014 data

Total population: 8,058

Median Age (see rank)

Decorah, IA	30.90 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Decorah, IA	31.30 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Decorah, IA	30.50 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	230	2.85%, see rank	6.39%	6.36%
5 to 9 years	349	4.33%, see rank	6.62%	6.51%
10 to 14 years	281	3.49%, see rank	6.58%	6.59%
15 to 19 years	1,213	15.05%, see rank	6.96%	6.85%
20 to 24 years	1,508	18.71%, see rank	7.21%	7.13%
25 to 34 years	668	8.29%, see rank	12.65%	13.47%
35 to 44 years	674	8.36%, see rank	11.80%	12.96%
45 to 54 years	661	8.20%, see rank	13.73%	14.09%
55 to 64 years	809	10.04%, see rank	12.80%	12.29%
65 to 74 years	666	8.27%, see rank	7.81%	7.64%
75 to 84	601	7.46%, see rank	4.98%	4.25%
85 years and over	398	4.94%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 8,127

Median Age (see rank)

Decorah, IA	29.60 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Decorah, IA	27.40 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Decorah, IA	31.80 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	306	3.77%, see rank	6.63%	6.54%
5 to 9 years	334	4.11%, see rank	6.59%	6.59%
10 to 14 years	318	3.91%, see rank	6.59%	6.70%
15 to 19 years	1,127	13.87%, see rank	7.12%	7.14%
20 to 24 years	1,679	20.66%, see rank	7.00%	6.99%
25 to 34 years	632	7.78%, see rank	12.56%	13.30%
35 to 44 years	622	7.65%, see rank	11.97%	13.30%
45 to 54 years	765	9.41%, see rank	14.43%	14.58%
55 to 64 years	821	10.10%, see rank	12.24%	11.82%
65 to 74 years	585	7.20%, see rank	7.37%	7.03%
75 to 84	572	7.04%, see rank	5.04%	4.23%
85 years and over	366	4.50%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 8,097

Median Age (see rank)

Decorah, IA	30.60 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Decorah, IA	29.00 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Decorah, IA	31.50 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	209	2.58%, see rank	6.53%	6.51%
5 to 9 years	317	3.92%, see rank	6.58%	6.57%
10 to 14 years	270	3.33%, see rank	6.60%	6.68%
15 to 19 years	1,428	17.64%, see rank	7.14%	7.09%
20 to 24 years	1,449	17.90%, see rank	7.08%	7.04%
25 to 34 years	485	5.99%, see rank	12.55%	13.32%
35 to 44 years	673	8.31%, see rank	12.02%	13.34%
45 to 54 years	744	9.19%, see rank	14.28%	14.44%
55 to 64 years	840	10.37%, see rank	12.27%	11.84%
65 to 74 years	628	7.76%, see rank	7.45%	7.12%
75 to 84	651	8.04%, see rank	5.08%	4.25%
85 years and over	403	4.98%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 8,115

Median Age (see rank)

Decorah, IA	27.80 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Decorah, IA	25.70 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Decorah, IA	30.70 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	314	3.87%, see rank	6.56%	6.62%
5 to 9 years	325	4.00%, see rank	6.57%	6.62%
10 to 14 years	252	3.11%, see rank	6.64%	6.79%
15 to 19 years	1,367	16.85%, see rank	7.28%	7.28%
20 to 24 years	1,564	19.27%, see rank	7.14%	6.98%
25 to 34 years	555	6.84%, see rank	12.25%	13.22%
35 to 44 years	651	8.02%, see rank	12.56%	13.89%
45 to 54 years	805	9.92%, see rank	14.61%	14.57%
55 to 64 years	744	9.17%, see rank	11.58%	11.28%
65 to 74 years	538	6.63%, see rank	7.21%	6.74%
75 to 84	615	7.58%, see rank	5.24%	4.30%
85 years and over	385	4.74%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 7,865

Median Age (see rank)

Decorah, IA	25.90 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Decorah, IA	25.00 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Decorah, IA	29.00 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	333	4.23%, see rank	6.61%	6.92%
5 to 9 years	358	4.55%, see rank	6.38%	6.59%
10 to 14 years	315	4.01%, see rank	6.59%	6.83%
15 to 19 years	1,297	16.49%, see rank	7.37%	7.15%
20 to 24 years	1,527	19.42%, see rank	7.65%	7.02%
25 to 34 years	477	6.06%, see rank	11.90%	13.42%
35 to 44 years	583	7.41%, see rank	12.95%	14.18%
45 to 54 years	834	10.60%, see rank	14.71%	14.48%
55 to 64 years	683	8.68%, see rank	11.11%	10.81%
65 to 74 years	477	6.06%, see rank	7.05%	6.50%
75 to 84	615	7.82%, see rank	5.30%	4.40%
85 years and over	366	4.65%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 8,172

Median Age (see rank)

Decorah, IA	29.80 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Decorah, IA	28.10 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Decorah, IA	31.70 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Decorah, IA	% of the Total Population	Iowa	U.S.
Under 5 years	284	3.48%, see rank	6.44%	6.81%
5 to 9 years	298	3.65%, see rank	6.92%	7.30%
10 to 14 years	361	4.42%, see rank	7.19%	7.29%
15 to 19 years	1,180	14.44%, see rank	7.74%	7.18%
20 to 24 years	1,669	20.42%, see rank	6.96%	6.74%
25 to 34 years	640	7.83%, see rank	12.41%	14.18%
35 to 44 years	814	9.96%, see rank	15.21%	16.04%
45 to 54 years	830	10.16%, see rank	13.42%	13.39%
55 to 64 years	560	6.85%, see rank	8.80%	8.63%
65 to 74 years	623	7.62%, see rank	7.24%	6.54%
75 to 84	580	7.10%, see rank	5.44%	4.39%
85 years and over	333	4.07%, see rank	2.23%	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.