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Butler County Historical Age Data

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ACS 2010-2014 data

Total population: 14,966

Median Age (see rank)

Butler County	43.60 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Butler County	42.20 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Butler County	44.80 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	939	6.27%, see rank	6.39%	6.36%
5 to 9 years	1,042	6.96%, see rank	6.62%	6.51%
10 to 14 years	918	6.13%, see rank	6.58%	6.59%
15 to 19 years	891	5.95%, see rank	6.96%	6.85%
20 to 24 years	685	4.58%, see rank	7.21%	7.13%
25 to 34 years	1,613	10.78%, see rank	12.65%	13.47%
35 to 44 years	1,643	10.98%, see rank	11.80%	12.96%
45 to 54 years	2,032	13.58%, see rank	13.73%	14.09%
55 to 64 years	2,155	14.40%, see rank	12.80%	12.29%
65 to 74 years	1,492	9.97%, see rank	7.81%	7.64%
75 to 84	1,089	7.28%, see rank	4.98%	4.25%
85 years and over	467	3.12%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 14,867

Median Age (see rank)

Butler County	43.80 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Butler County	42.40 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Butler County	44.90 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	982	6.61%, see rank	6.63%	6.54%
5 to 9 years	950	6.39%, see rank	6.59%	6.59%
10 to 14 years	988	6.65%, see rank	6.59%	6.70%
15 to 19 years	853	5.74%, see rank	7.12%	7.14%
20 to 24 years	601	4.04%, see rank	7.00%	6.99%
25 to 34 years	1,606	10.80%, see rank	12.56%	13.30%
35 to 44 years	1,684	11.33%, see rank	11.97%	13.30%
45 to 54 years	2,128	14.31%, see rank	14.43%	14.58%
55 to 64 years	2,131	14.33%, see rank	12.24%	11.82%
65 to 74 years	1,383	9.30%, see rank	7.37%	7.03%
75 to 84	1,010	6.79%, see rank	5.04%	4.23%
85 years and over	551	3.71%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 14,899

Median Age (see rank)

Butler County	43.60 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Butler County	42.50 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Butler County	44.50 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	987	6.62%, see rank	6.53%	6.51%
5 to 9 years	1,045	7.01%, see rank	6.58%	6.57%
10 to 14 years	882	5.92%, see rank	6.60%	6.68%
15 to 19 years	877	5.89%, see rank	7.14%	7.09%
20 to 24 years	638	4.28%, see rank	7.08%	7.04%
25 to 34 years	1,591	10.68%, see rank	12.55%	13.32%
35 to 44 years	1,648	11.06%, see rank	12.02%	13.34%
45 to 54 years	2,140	14.36%, see rank	14.28%	14.44%
55 to 64 years	2,114	14.19%, see rank	12.27%	11.84%
65 to 74 years	1,419	9.52%, see rank	7.45%	7.12%
75 to 84	1,018	6.83%, see rank	5.08%	4.25%
85 years and over	540	3.62%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 14,892

Median Age (see rank)

Butler County	43.40 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Butler County	42.40 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Butler County	44.70 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	952	6.39%, see rank	6.56%	6.62%
5 to 9 years	1,019	6.84%, see rank	6.57%	6.62%
10 to 14 years	853	5.73%, see rank	6.64%	6.79%
15 to 19 years	895	6.01%, see rank	7.28%	7.28%
20 to 24 years	650	4.36%, see rank	7.14%	6.98%
25 to 34 years	1,557	10.46%, see rank	12.25%	13.22%
35 to 44 years	1,743	11.70%, see rank	12.56%	13.89%
45 to 54 years	2,214	14.87%, see rank	14.61%	14.57%
55 to 64 years	2,036	13.67%, see rank	11.58%	11.28%
65 to 74 years	1,374	9.23%, see rank	7.21%	6.74%
75 to 84	1,126	7.56%, see rank	5.24%	4.30%
85 years and over	473	3.18%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 14,581

Median Age (see rank)

Butler County	44.20 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Butler County	42.50 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Butler County	45.90 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	867	5.95%, see rank	6.61%	6.92%
5 to 9 years	953	6.54%, see rank	6.38%	6.59%
10 to 14 years	866	5.94%, see rank	6.59%	6.83%
15 to 19 years	951	6.52%, see rank	7.37%	7.15%
20 to 24 years	726	4.98%, see rank	7.65%	7.02%
25 to 34 years	1,281	8.79%, see rank	11.90%	13.42%
35 to 44 years	1,796	12.32%, see rank	12.95%	14.18%
45 to 54 years	2,317	15.89%, see rank	14.71%	14.48%
55 to 64 years	2,002	13.73%, see rank	11.11%	10.81%
65 to 74 years	1,292	8.86%, see rank	7.05%	6.50%
75 to 84	1,049	7.19%, see rank	5.30%	4.40%
85 years and over	481	3.30%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 15,305

Median Age (see rank)

Butler County	41.30 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Butler County	39.60 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Butler County	43.00 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Butler County	% of the Total Population	Iowa	U.S.
Under 5 years	847	5.53%, see rank	6.44%	6.81%
5 to 9 years	1,015	6.63%, see rank	6.92%	7.30%
10 to 14 years	1,123	7.34%, see rank	7.19%	7.29%
15 to 19 years	1,098	7.17%, see rank	7.74%	7.18%
20 to 24 years	631	4.12%, see rank	6.96%	6.74%
25 to 34 years	1,607	10.50%, see rank	12.41%	14.18%
35 to 44 years	2,205	14.41%, see rank	15.21%	16.04%
45 to 54 years	2,201	14.38%, see rank	13.42%	13.39%
55 to 64 years	1,501	9.81%, see rank	8.80%	8.63%
65 to 74 years	1,400	9.15%, see rank	7.24%	6.54%
75 to 84	1,186	7.75%, see rank	5.44%	4.39%
85 years and over	491	3.21%, 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.