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Dekalb County Historical Age Data

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ACS 2010-2014 data

Total population: 18,968

Median Age (see rank)

Dekalb County	40.90 years old
Tennessee	38.30 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Dekalb County	38.60 years old
Tennessee	37.00 years old
U.S.	36.10 years old

Median Age, Female (see rank)

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

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,032	5.44%, see rank	6.23%	6.36%
5 to 9 years	1,312	6.92%, see rank	6.41%	6.51%
10 to 14 years	1,144	6.03%, see rank	6.57%	6.59%
15 to 19 years	1,127	5.94%, see rank	6.58%	6.85%
20 to 24 years	1,143	6.03%, see rank	6.99%	7.13%
25 to 34 years	2,166	11.42%, see rank	13.02%	13.47%
35 to 44 years	2,586	13.63%, see rank	13.13%	12.96%
45 to 54 years	2,661	14.03%, see rank	14.09%	14.09%
55 to 64 years	2,662	14.03%, see rank	12.73%	12.29%
65 to 74 years	1,868	9.85%, see rank	8.29%	7.64%
75 to 84	998	5.26%, see rank	4.34%	4.25%
85 years and over	269	1.42%, see rank	1.60%	1.85%

US Census 2010 data

Total population: 18,723

Median Age (see rank)

Dekalb County	41.00 years old
Tennessee	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Dekalb County	39.50 years old
Tennessee	36.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Dekalb County	42.80 years old
Tennessee	39.20 years old
U.S.	38.50 years old

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,150	6.14%, see rank	6.43%	6.54%
5 to 9 years	1,212	6.47%, see rank	6.50%	6.59%
10 to 14 years	1,198	6.40%, see rank	6.60%	6.70%
15 to 19 years	1,151	6.15%, see rank	6.89%	7.14%
20 to 24 years	1,050	5.61%, see rank	6.72%	6.99%
25 to 34 years	2,147	11.47%, see rank	12.98%	13.30%
35 to 44 years	2,467	13.18%, see rank	13.46%	13.30%
45 to 54 years	2,824	15.08%, see rank	14.60%	14.58%
55 to 64 years	2,568	13.72%, see rank	12.38%	11.82%
65 to 74 years	1,722	9.20%, see rank	7.68%	7.03%
75 to 84	883	4.72%, see rank	4.20%	4.23%
85 years and over	351	1.87%, see rank	1.57%	1.78%

ACS 2008-2012 data

Total population: 18,770

Median Age (see rank)

Dekalb County	40.20 years old
Tennessee	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Dekalb County	37.50 years old
Tennessee	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Dekalb County	42.40 years old
Tennessee	39.20 years old
U.S.	38.50 years old

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,139	6.07%, see rank	6.39%	6.51%
5 to 9 years	1,235	6.58%, see rank	6.46%	6.57%
10 to 14 years	1,241	6.61%, see rank	6.64%	6.68%
15 to 19 years	1,102	5.87%, see rank	6.80%	7.09%
20 to 24 years	1,081	5.76%, see rank	6.81%	7.04%
25 to 34 years	2,314	12.33%, see rank	13.03%	13.32%
35 to 44 years	2,438	12.99%, see rank	13.49%	13.34%
45 to 54 years	2,714	14.46%, see rank	14.44%	14.44%
55 to 64 years	2,558	13.63%, see rank	12.39%	11.84%
65 to 74 years	1,718	9.15%, see rank	7.75%	7.12%
75 to 84	991	5.28%, see rank	4.24%	4.25%
85 years and over	239	1.27%, see rank	1.57%	1.78%

ACS 2006-2010 data

Total population: 18,569

Median Age (see rank)

Dekalb County	39.70 years old
Tennessee	37.60 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Dekalb County	37.70 years old
Tennessee	36.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Dekalb County	41.60 years old
Tennessee	38.90 years old
U.S.	38.10 years old

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,140	6.14%, see rank	6.47%	6.62%
5 to 9 years	1,041	5.61%, see rank	6.55%	6.62%
10 to 14 years	1,446	7.79%, see rank	6.68%	6.79%
15 to 19 years	1,113	5.99%, see rank	6.96%	7.28%
20 to 24 years	1,018	5.48%, see rank	6.67%	6.98%
25 to 34 years	2,382	12.83%, see rank	13.13%	13.22%
35 to 44 years	2,510	13.52%, see rank	13.99%	13.89%
45 to 54 years	2,687	14.47%, see rank	14.58%	14.57%
55 to 64 years	2,424	13.05%, see rank	11.90%	11.28%
65 to 74 years	1,600	8.62%, see rank	7.35%	6.74%
75 to 84	893	4.81%, see rank	4.21%	4.30%
85 years and over	315	1.70%, see rank	1.51%	1.70%

ACS 2005-2009 data

Total population: 18,624

Median Age (see rank)

Dekalb County	39.20 years old
Tennessee	37.30 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Dekalb County	37.40 years old
Tennessee	35.90 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Dekalb County	41.30 years old
Tennessee	38.70 years old
U.S.	37.90 years old

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,170	6.28%, see rank	6.70%	6.92%
5 to 9 years	1,004	5.39%, see rank	6.48%	6.59%
10 to 14 years	1,423	7.64%, see rank	6.64%	6.83%
15 to 19 years	1,091	5.86%, see rank	6.79%	7.15%
20 to 24 years	1,025	5.50%, see rank	6.66%	7.02%
25 to 34 years	2,556	13.72%, see rank	13.55%	13.42%
35 to 44 years	2,669	14.33%, see rank	14.22%	14.18%
45 to 54 years	2,687	14.43%, see rank	14.53%	14.48%
55 to 64 years	2,392	12.84%, see rank	11.49%	10.81%
65 to 74 years	1,455	7.81%, see rank	7.05%	6.50%
75 to 84	829	4.45%, see rank	4.32%	4.40%
85 years and over	323	1.73%, see rank	1.56%	1.71%

US Census 2000 data

Total population: 17,423

Median Age (see rank)

Dekalb County	37.70 years old
Tennessee	35.90 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Dekalb County	36.20 years old
Tennessee	34.50 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Dekalb County	39.20 years old
Tennessee	37.20 years old
U.S.	36.50 years old

	Dekalb County	% of the Total Population	Tennessee	U.S.
Under 5 years	1,061	6.09%, see rank	6.59%	6.81%
5 to 9 years	1,103	6.33%, see rank	6.96%	7.30%
10 to 14 years	1,169	6.71%, see rank	6.95%	7.29%
15 to 19 years	1,137	6.53%, see rank	6.95%	7.18%
20 to 24 years	1,070	6.14%, see rank	6.79%	6.74%
25 to 34 years	2,397	13.76%, see rank	14.34%	14.18%
35 to 44 years	2,716	15.59%, see rank	15.86%	16.04%
45 to 54 years	2,418	13.88%, see rank	13.83%	13.39%
55 to 64 years	1,867	10.72%, see rank	9.37%	8.63%
65 to 74 years	1,351	7.75%, see rank	6.73%	6.54%
75 to 84	824	4.73%, see rank	4.20%	4.39%
85 years and over	310	1.78%, 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.