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Hamilton County Historical Age Data

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ACS 2010-2014 data

Total population: 15,363

Median Age (see rank)

Hamilton County	42.30 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Hamilton County	41.10 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Hamilton County	44.40 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	813	5.29%, see rank	6.39%	6.36%
5 to 9 years	1,125	7.32%, see rank	6.62%	6.51%
10 to 14 years	1,029	6.70%, see rank	6.58%	6.59%
15 to 19 years	976	6.35%, see rank	6.96%	6.85%
20 to 24 years	760	4.95%, see rank	7.21%	7.13%
25 to 34 years	1,692	11.01%, see rank	12.65%	13.47%
35 to 44 years	1,719	11.19%, see rank	11.80%	12.96%
45 to 54 years	2,206	14.36%, see rank	13.73%	14.09%
55 to 64 years	2,113	13.75%, see rank	12.80%	12.29%
65 to 74 years	1,362	8.87%, see rank	7.81%	7.64%
75 to 84	1,109	7.22%, see rank	4.98%	4.25%
85 years and over	459	2.99%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 15,673

Median Age (see rank)

Hamilton County	42.30 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Hamilton County	40.60 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Hamilton County	44.20 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	972	6.20%, see rank	6.63%	6.54%
5 to 9 years	988	6.30%, see rank	6.59%	6.59%
10 to 14 years	1,155	7.37%, see rank	6.59%	6.70%
15 to 19 years	975	6.22%, see rank	7.12%	7.14%
20 to 24 years	699	4.46%, see rank	7.00%	6.99%
25 to 34 years	1,697	10.83%, see rank	12.56%	13.30%
35 to 44 years	1,859	11.86%, see rank	11.97%	13.30%
45 to 54 years	2,472	15.77%, see rank	14.43%	14.58%
55 to 64 years	2,021	12.89%, see rank	12.24%	11.82%
65 to 74 years	1,271	8.11%, see rank	7.37%	7.03%
75 to 84	1,041	6.64%, see rank	5.04%	4.23%
85 years and over	523	3.34%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 15,614

Median Age (see rank)

Hamilton County	42.10 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Hamilton County	40.30 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Hamilton County	44.00 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	884	5.66%, see rank	6.53%	6.51%
5 to 9 years	1,075	6.88%, see rank	6.58%	6.57%
10 to 14 years	1,142	7.31%, see rank	6.60%	6.68%
15 to 19 years	987	6.32%, see rank	7.14%	7.09%
20 to 24 years	748	4.79%, see rank	7.08%	7.04%
25 to 34 years	1,731	11.09%, see rank	12.55%	13.32%
35 to 44 years	1,830	11.72%, see rank	12.02%	13.34%
45 to 54 years	2,336	14.96%, see rank	14.28%	14.44%
55 to 64 years	1,973	12.64%, see rank	12.27%	11.84%
65 to 74 years	1,321	8.46%, see rank	7.45%	7.12%
75 to 84	1,098	7.03%, see rank	5.08%	4.25%
85 years and over	489	3.13%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 15,874

Median Age (see rank)

Hamilton County	40.90 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Hamilton County	38.80 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Hamilton County	42.70 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	936	5.90%, see rank	6.56%	6.62%
5 to 9 years	1,175	7.40%, see rank	6.57%	6.62%
10 to 14 years	1,040	6.55%, see rank	6.64%	6.79%
15 to 19 years	984	6.20%, see rank	7.28%	7.28%
20 to 24 years	806	5.08%, see rank	7.14%	6.98%
25 to 34 years	1,866	11.76%, see rank	12.25%	13.22%
35 to 44 years	1,921	12.10%, see rank	12.56%	13.89%
45 to 54 years	2,388	15.04%, see rank	14.61%	14.57%
55 to 64 years	1,889	11.90%, see rank	11.58%	11.28%
65 to 74 years	1,278	8.05%, see rank	7.21%	6.74%
75 to 84	1,111	7.00%, see rank	5.24%	4.30%
85 years and over	480	3.02%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 15,555

Median Age (see rank)

Hamilton County	41.20 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Hamilton County	39.50 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Hamilton County	42.80 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	915	5.88%, see rank	6.61%	6.92%
5 to 9 years	1,105	7.10%, see rank	6.38%	6.59%
10 to 14 years	996	6.40%, see rank	6.59%	6.83%
15 to 19 years	995	6.40%, see rank	7.37%	7.15%
20 to 24 years	852	5.48%, see rank	7.65%	7.02%
25 to 34 years	1,720	11.06%, see rank	11.90%	13.42%
35 to 44 years	1,992	12.81%, see rank	12.95%	14.18%
45 to 54 years	2,383	15.32%, see rank	14.71%	14.48%
55 to 64 years	1,834	11.79%, see rank	11.11%	10.81%
65 to 74 years	1,249	8.03%, see rank	7.05%	6.50%
75 to 84	1,076	6.92%, see rank	5.30%	4.40%
85 years and over	438	2.82%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 16,438

Median Age (see rank)

Hamilton County	39.10 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Hamilton County	37.60 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Hamilton County	40.60 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Hamilton County	% of the Total Population	Iowa	U.S.
Under 5 years	1,057	6.43%, see rank	6.44%	6.81%
5 to 9 years	1,130	6.87%, see rank	6.92%	7.30%
10 to 14 years	1,245	7.57%, see rank	7.19%	7.29%
15 to 19 years	1,128	6.86%, see rank	7.74%	7.18%
20 to 24 years	789	4.80%, see rank	6.96%	6.74%
25 to 34 years	1,855	11.28%, see rank	12.41%	14.18%
35 to 44 years	2,595	15.79%, see rank	15.21%	16.04%
45 to 54 years	2,148	13.07%, see rank	13.42%	13.39%
55 to 64 years	1,529	9.30%, see rank	8.80%	8.63%
65 to 74 years	1,426	8.68%, see rank	7.24%	6.54%
75 to 84	1,103	6.71%, see rank	5.44%	4.39%
85 years and over	433	2.63%, 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.