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Jefferson County Historical Age Data

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ACS 2010-2014 data

Total population: 434,528

Median Age (see rank)

Jefferson County	38.60 years old
Louisiana	36.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Jefferson County	37.00 years old
Louisiana	34.80 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Jefferson County	40.10 years old
Louisiana	37.40 years old
U.S.	38.80 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	27,880	6.42%, see rank	6.77%	6.36%
5 to 9 years	26,572	6.12%, see rank	6.76%	6.51%
10 to 14 years	26,022	5.99%, see rank	6.71%	6.59%
15 to 19 years	25,436	5.85%, see rank	6.75%	6.85%
20 to 24 years	28,621	6.59%, see rank	7.58%	7.13%
25 to 34 years	63,012	14.50%, see rank	14.11%	13.47%
35 to 44 years	54,019	12.43%, see rank	12.32%	12.96%
45 to 54 years	62,665	14.42%, see rank	13.77%	14.09%
55 to 64 years	58,046	13.36%, see rank	12.34%	12.29%
65 to 74 years	34,713	7.99%, see rank	7.39%	7.64%
75 to 84	19,232	4.43%, see rank	3.99%	4.25%
85 years and over	8,310	1.91%, see rank	1.52%	1.85%

US Census 2010 data

Total population: 432,552

Median Age (see rank)

Jefferson County	38.40 years old
Louisiana	35.80 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Jefferson County	36.80 years old
Louisiana	34.50 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Jefferson County	39.90 years old
Louisiana	37.20 years old
U.S.	38.50 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	28,366	6.56%, see rank	6.93%	6.54%
5 to 9 years	26,420	6.11%, see rank	6.76%	6.59%
10 to 14 years	25,995	6.01%, see rank	6.77%	6.70%
15 to 19 years	27,047	6.25%, see rank	7.21%	7.14%
20 to 24 years	29,451	6.81%, see rank	7.46%	6.99%
25 to 34 years	61,230	14.16%, see rank	13.86%	13.30%
35 to 44 years	54,455	12.59%, see rank	12.45%	13.30%
45 to 54 years	65,256	15.09%, see rank	14.43%	14.58%
55 to 64 years	55,344	12.79%, see rank	11.81%	11.82%
65 to 74 years	31,645	7.32%, see rank	6.88%	7.03%
75 to 84	19,598	4.53%, see rank	3.97%	4.23%
85 years and over	7,745	1.79%, see rank	1.45%	1.78%

ACS 2008-2012 data

Total population: 432,706

Median Age (see rank)

Jefferson County	38.50 years old
Louisiana	35.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Jefferson County	37.10 years old
Louisiana	34.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Jefferson County	40.00 years old
Louisiana	37.30 years old
U.S.	38.50 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	28,245	6.53%, see rank	6.91%	6.51%
5 to 9 years	25,833	5.97%, see rank	6.77%	6.57%
10 to 14 years	26,561	6.14%, see rank	6.77%	6.68%
15 to 19 years	26,757	6.18%, see rank	7.09%	7.09%
20 to 24 years	29,211	6.75%, see rank	7.55%	7.04%
25 to 34 years	61,157	14.13%, see rank	13.77%	13.32%
35 to 44 years	54,741	12.65%, see rank	12.56%	13.34%
45 to 54 years	64,883	14.99%, see rank	14.30%	14.44%
55 to 64 years	55,768	12.89%, see rank	11.87%	11.84%
65 to 74 years	32,119	7.42%, see rank	6.97%	7.12%
75 to 84	19,619	4.53%, see rank	3.96%	4.25%
85 years and over	7,812	1.81%, see rank	1.49%	1.78%

ACS 2006-2010 data

Total population: 431,019

Median Age (see rank)

Jefferson County	38.60 years old
Louisiana	35.90 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Jefferson County	37.20 years old
Louisiana	34.50 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Jefferson County	40.20 years old
Louisiana	37.30 years old
U.S.	38.10 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	27,579	6.40%, see rank	6.88%	6.62%
5 to 9 years	25,697	5.96%, see rank	6.85%	6.62%
10 to 14 years	26,591	6.17%, see rank	6.84%	6.79%
15 to 19 years	28,151	6.53%, see rank	7.44%	7.28%
20 to 24 years	29,254	6.79%, see rank	7.51%	6.98%
25 to 34 years	58,470	13.57%, see rank	13.37%	13.22%
35 to 44 years	57,079	13.24%, see rank	13.12%	13.89%
45 to 54 years	66,791	15.50%, see rank	14.57%	14.57%
55 to 64 years	53,871	12.50%, see rank	11.30%	11.28%
65 to 74 years	30,118	6.99%, see rank	6.68%	6.74%
75 to 84	20,095	4.66%, see rank	4.00%	4.30%
85 years and over	7,323	1.70%, see rank	1.45%	1.70%

ACS 2005-2009 data

Total population: 440,134

Median Age (see rank)

Jefferson County	38.30 years old
Louisiana	35.50 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Jefferson County	36.80 years old
Louisiana	33.80 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Jefferson County	39.80 years old
Louisiana	37.10 years old
U.S.	37.90 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	28,714	6.52%, see rank	7.02%	6.92%
5 to 9 years	27,137	6.17%, see rank	6.85%	6.59%
10 to 14 years	28,572	6.49%, see rank	6.96%	6.83%
15 to 19 years	28,630	6.50%, see rank	7.45%	7.15%
20 to 24 years	29,000	6.59%, see rank	7.91%	7.02%
25 to 34 years	59,959	13.62%, see rank	13.23%	13.42%
35 to 44 years	59,134	13.44%, see rank	13.31%	14.18%
45 to 54 years	67,842	15.41%, see rank	14.38%	14.48%
55 to 64 years	52,861	12.01%, see rank	10.77%	10.81%
65 to 74 years	29,984	6.81%, see rank	6.49%	6.50%
75 to 84	20,894	4.75%, see rank	4.14%	4.40%
85 years and over	7,407	1.68%, see rank	1.48%	1.71%

US Census 2000 data

Total population: 455,466

Median Age (see rank)

Jefferson County	35.90 years old
Louisiana	34.00 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Jefferson County	34.60 years old
Louisiana	32.60 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Jefferson County	37.00 years old
Louisiana	35.30 years old
U.S.	36.50 years old

	Jefferson County	% of the Total Population	Louisiana	U.S.
Under 5 years	30,226	6.64%, see rank	7.10%	6.81%
5 to 9 years	31,811	6.98%, see rank	7.54%	7.30%
10 to 14 years	32,657	7.17%, see rank	7.79%	7.29%
15 to 19 years	32,436	7.12%, see rank	8.19%	7.18%
20 to 24 years	29,793	6.54%, see rank	7.29%	6.74%
25 to 34 years	64,551	14.17%, see rank	13.45%	14.18%
35 to 44 years	73,201	16.07%, see rank	15.48%	16.04%
45 to 54 years	64,824	14.23%, see rank	13.12%	13.39%
55 to 64 years	41,652	9.14%, see rank	8.48%	8.63%
65 to 74 years	30,025	6.59%, see rank	6.33%	6.54%
75 to 84	18,915	4.15%, see rank	3.92%	4.39%
85 years and over	5,375	1.18%, see rank	1.31%	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.