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Polk County Historical Age Data

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ACS 2010-2014 data

Total population: 16,715

Median Age (see rank)

Polk County	43.10 years old
Tennessee	38.30 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Polk County	42.70 years old
Tennessee	37.00 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Polk County	43.70 years old
Tennessee	39.60 years old
U.S.	38.80 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	798	4.77%, see rank	6.23%	6.36%
5 to 9 years	1,120	6.70%, see rank	6.41%	6.51%
10 to 14 years	969	5.80%, see rank	6.57%	6.59%
15 to 19 years	1,041	6.23%, see rank	6.58%	6.85%
20 to 24 years	880	5.26%, see rank	6.99%	7.13%
25 to 34 years	1,662	9.94%, see rank	13.02%	13.47%
35 to 44 years	2,246	13.44%, see rank	13.13%	12.96%
45 to 54 years	2,485	14.87%, see rank	14.09%	14.09%
55 to 64 years	2,446	14.63%, see rank	12.73%	12.29%
65 to 74 years	1,913	11.44%, see rank	8.29%	7.64%
75 to 84	950	5.68%, see rank	4.34%	4.25%
85 years and over	205	1.23%, see rank	1.60%	1.85%

US Census 2010 data

Total population: 16,825

Median Age (see rank)

Polk County	42.50 years old
Tennessee	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Polk County	41.60 years old
Tennessee	36.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Polk County	43.30 years old
Tennessee	39.20 years old
U.S.	38.50 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	905	5.38%, see rank	6.43%	6.54%
5 to 9 years	1,010	6.00%, see rank	6.50%	6.59%
10 to 14 years	1,152	6.85%, see rank	6.60%	6.70%
15 to 19 years	1,052	6.25%, see rank	6.89%	7.14%
20 to 24 years	842	5.00%, see rank	6.72%	6.99%
25 to 34 years	1,713	10.18%, see rank	12.98%	13.30%
35 to 44 years	2,349	13.96%, see rank	13.46%	13.30%
45 to 54 years	2,529	15.03%, see rank	14.60%	14.58%
55 to 64 years	2,401	14.27%, see rank	12.38%	11.82%
65 to 74 years	1,755	10.43%, see rank	7.68%	7.03%
75 to 84	857	5.09%, see rank	4.20%	4.23%
85 years and over	260	1.55%, see rank	1.57%	1.78%

ACS 2008-2012 data

Total population: 16,756

Median Age (see rank)

Polk County	42.50 years old
Tennessee	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Polk County	41.00 years old
Tennessee	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Polk County	43.50 years old
Tennessee	39.20 years old
U.S.	38.50 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	869	5.19%, see rank	6.39%	6.51%
5 to 9 years	771	4.60%, see rank	6.46%	6.57%
10 to 14 years	1,351	8.06%, see rank	6.64%	6.68%
15 to 19 years	1,051	6.27%, see rank	6.80%	7.09%
20 to 24 years	855	5.10%, see rank	6.81%	7.04%
25 to 34 years	1,723	10.28%, see rank	13.03%	13.32%
35 to 44 years	2,313	13.80%, see rank	13.49%	13.34%
45 to 54 years	2,520	15.04%, see rank	14.44%	14.44%
55 to 64 years	2,393	14.28%, see rank	12.39%	11.84%
65 to 74 years	1,803	10.76%, see rank	7.75%	7.12%
75 to 84	849	5.07%, see rank	4.24%	4.25%
85 years and over	258	1.54%, see rank	1.57%	1.78%

ACS 2006-2010 data

Total population: 16,690

Median Age (see rank)

Polk County	41.60 years old
Tennessee	37.60 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Polk County	40.70 years old
Tennessee	36.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Polk County	43.60 years old
Tennessee	38.90 years old
U.S.	38.10 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	914	5.48%, see rank	6.47%	6.62%
5 to 9 years	736	4.41%, see rank	6.55%	6.62%
10 to 14 years	1,400	8.39%, see rank	6.68%	6.79%
15 to 19 years	1,049	6.29%, see rank	6.96%	7.28%
20 to 24 years	789	4.73%, see rank	6.67%	6.98%
25 to 34 years	1,834	10.99%, see rank	13.13%	13.22%
35 to 44 years	2,343	14.04%, see rank	13.99%	13.89%
45 to 54 years	2,453	14.70%, see rank	14.58%	14.57%
55 to 64 years	2,453	14.70%, see rank	11.90%	11.28%
65 to 74 years	1,663	9.96%, see rank	7.35%	6.74%
75 to 84	765	4.58%, see rank	4.21%	4.30%
85 years and over	291	1.74%, see rank	1.51%	1.70%

ACS 2005-2009 data

Total population: 15,735

Median Age (see rank)

Polk County	42.00 years old
Tennessee	37.30 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Polk County	41.20 years old
Tennessee	35.90 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Polk County	43.90 years old
Tennessee	38.70 years old
U.S.	37.90 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	911	5.79%, see rank	6.70%	6.92%
5 to 9 years	751	4.77%, see rank	6.48%	6.59%
10 to 14 years	1,193	7.58%, see rank	6.64%	6.83%
15 to 19 years	915	5.82%, see rank	6.79%	7.15%
20 to 24 years	738	4.69%, see rank	6.66%	7.02%
25 to 34 years	1,868	11.87%, see rank	13.55%	13.42%
35 to 44 years	2,105	13.38%, see rank	14.22%	14.18%
45 to 54 years	2,318	14.73%, see rank	14.53%	14.48%
55 to 64 years	2,346	14.91%, see rank	11.49%	10.81%
65 to 74 years	1,500	9.53%, see rank	7.05%	6.50%
75 to 84	831	5.28%, see rank	4.32%	4.40%
85 years and over	259	1.65%, see rank	1.56%	1.71%

US Census 2000 data

Total population: 16,050

Median Age (see rank)

Polk County	38.60 years old
Tennessee	35.90 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Polk County	37.40 years old
Tennessee	34.50 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Polk County	40.00 years old
Tennessee	37.20 years old
U.S.	36.50 years old

	Polk County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,032	6.43%, see rank	6.59%	6.81%
5 to 9 years	985	6.14%, see rank	6.96%	7.30%
10 to 14 years	1,020	6.36%, see rank	6.95%	7.29%
15 to 19 years	931	5.80%, see rank	6.95%	7.18%
20 to 24 years	974	6.07%, see rank	6.79%	6.74%
25 to 34 years	2,196	13.68%, see rank	14.34%	14.18%
35 to 44 years	2,380	14.83%, see rank	15.86%	16.04%
45 to 54 years	2,291	14.27%, see rank	13.83%	13.39%
55 to 64 years	1,940	12.09%, see rank	9.37%	8.63%
65 to 74 years	1,309	8.16%, see rank	6.73%	6.54%
75 to 84	732	4.56%, see rank	4.20%	4.39%
85 years and over	260	1.62%, see rank	1.43%	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.