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Lancaster County Historical Age Data

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ACS 2010-2014 data

Total population: 526,839

Median Age (see rank)

Lancaster County	38.30 years old
Pennsylvania	40.40 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Lancaster County	37.00 years old
Pennsylvania	38.90 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Lancaster County	39.40 years old
Pennsylvania	41.90 years old
U.S.	38.80 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	35,215	6.68%, see rank	5.64%	6.36%
5 to 9 years	36,221	6.88%, see rank	5.89%	6.51%
10 to 14 years	35,214	6.68%, see rank	6.07%	6.59%
15 to 19 years	37,329	7.09%, see rank	6.84%	6.85%
20 to 24 years	35,435	6.73%, see rank	6.86%	7.13%
25 to 34 years	64,087	12.16%, see rank	12.38%	13.47%
35 to 44 years	62,109	11.79%, see rank	12.21%	12.96%
45 to 54 years	73,146	13.88%, see rank	14.70%	14.09%
55 to 64 years	65,558	12.44%, see rank	13.41%	12.29%
65 to 74 years	41,998	7.97%, see rank	8.32%	7.64%
75 to 84	26,883	5.10%, see rank	5.18%	4.25%
85 years and over	13,644	2.59%, see rank	2.50%	1.85%

US Census 2010 data

Total population: 519,445

Median Age (see rank)

Lancaster County	38.20 years old
Pennsylvania	40.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Lancaster County	36.80 years old
Pennsylvania	38.70 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Lancaster County	39.50 years old
Pennsylvania	41.50 years old
U.S.	38.50 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	35,521	6.84%, see rank	5.74%	6.54%
5 to 9 years	35,446	6.82%, see rank	5.93%	6.59%
10 to 14 years	35,553	6.84%, see rank	6.23%	6.70%
15 to 19 years	38,100	7.33%, see rank	7.13%	7.14%
20 to 24 years	35,033	6.74%, see rank	6.88%	6.99%
25 to 34 years	60,990	11.74%, see rank	11.90%	13.30%
35 to 44 years	63,629	12.25%, see rank	12.72%	13.30%
45 to 54 years	75,401	14.52%, see rank	15.28%	14.58%
55 to 64 years	61,992	11.93%, see rank	12.77%	11.82%
65 to 74 years	38,240	7.36%, see rank	7.71%	7.03%
75 to 84	26,694	5.14%, see rank	5.31%	4.23%
85 years and over	12,846	2.47%, see rank	2.41%	1.78%

ACS 2008-2012 data

Total population: 519,913

Median Age (see rank)

Lancaster County	38.00 years old
Pennsylvania	40.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Lancaster County	36.70 years old
Pennsylvania	38.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Lancaster County	39.20 years old
Pennsylvania	41.50 years old
U.S.	38.50 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	35,320	6.79%, see rank	5.71%	6.51%
5 to 9 years	35,178	6.77%, see rank	5.96%	6.57%
10 to 14 years	35,847	6.89%, see rank	6.19%	6.68%
15 to 19 years	38,077	7.32%, see rank	7.12%	7.09%
20 to 24 years	35,009	6.73%, see rank	6.83%	7.04%
25 to 34 years	61,428	11.82%, see rank	11.98%	13.32%
35 to 44 years	63,720	12.26%, see rank	12.73%	13.34%
45 to 54 years	74,653	14.36%, see rank	15.14%	14.44%
55 to 64 years	62,196	11.96%, see rank	12.80%	11.84%
65 to 74 years	38,795	7.46%, see rank	7.80%	7.12%
75 to 84	26,659	5.13%, see rank	5.32%	4.25%
85 years and over	13,031	2.51%, see rank	2.41%	1.78%

ACS 2006-2010 data

Total population: 511,250

Median Age (see rank)

Lancaster County	37.70 years old
Pennsylvania	39.80 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Lancaster County	36.40 years old
Pennsylvania	38.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Lancaster County	39.00 years old
Pennsylvania	41.20 years old
U.S.	38.10 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	35,072	6.86%, see rank	5.77%	6.62%
5 to 9 years	35,343	6.91%, see rank	6.03%	6.62%
10 to 14 years	35,592	6.96%, see rank	6.36%	6.79%
15 to 19 years	38,767	7.58%, see rank	7.30%	7.28%
20 to 24 years	33,433	6.54%, see rank	6.69%	6.98%
25 to 34 years	59,706	11.68%, see rank	11.76%	13.22%
35 to 44 years	65,907	12.89%, see rank	13.40%	13.89%
45 to 54 years	74,406	14.55%, see rank	15.32%	14.57%
55 to 64 years	58,011	11.35%, see rank	12.10%	11.28%
65 to 74 years	36,280	7.10%, see rank	7.46%	6.74%
75 to 84	27,563	5.39%, see rank	5.55%	4.30%
85 years and over	11,170	2.18%, see rank	2.27%	1.70%

ACS 2005-2009 data

Total population: 498,918

Median Age (see rank)

Lancaster County	37.60 years old
Pennsylvania	39.60 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Lancaster County	36.10 years old
Pennsylvania	38.00 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Lancaster County	38.90 years old
Pennsylvania	41.00 years old
U.S.	37.90 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	34,803	6.98%, see rank	5.91%	6.92%
5 to 9 years	33,892	6.79%, see rank	5.95%	6.59%
10 to 14 years	34,909	7.00%, see rank	6.41%	6.83%
15 to 19 years	37,447	7.51%, see rank	7.24%	7.15%
20 to 24 years	31,633	6.34%, see rank	6.49%	7.02%
25 to 34 years	60,169	12.06%, see rank	12.00%	13.42%
35 to 44 years	65,770	13.18%, see rank	13.81%	14.18%
45 to 54 years	72,875	14.61%, see rank	15.31%	14.48%
55 to 64 years	54,762	10.98%, see rank	11.60%	10.81%
65 to 74 years	34,812	6.98%, see rank	7.32%	6.50%
75 to 84	27,096	5.43%, see rank	5.69%	4.40%
85 years and over	10,750	2.15%, see rank	2.26%	1.71%

US Census 2000 data

Total population: 470,658

Median Age (see rank)

Lancaster County	36.10 years old
Pennsylvania	38.00 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Lancaster County	34.90 years old
Pennsylvania	36.50 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Lancaster County	37.20 years old
Pennsylvania	39.40 years old
U.S.	36.50 years old

	Lancaster County	% of the Total Population	Pennsylvania	U.S.
Under 5 years	32,680	6.94%, see rank	5.93%	6.81%
5 to 9 years	35,939	7.64%, see rank	6.74%	7.30%
10 to 14 years	36,290	7.71%, see rank	7.03%	7.29%
15 to 19 years	34,329	7.29%, see rank	6.93%	7.18%
20 to 24 years	29,246	6.21%, see rank	6.08%	6.74%
25 to 34 years	59,093	12.56%, see rank	12.71%	14.18%
35 to 44 years	74,092	15.74%, see rank	15.86%	16.04%
45 to 54 years	62,360	13.25%, see rank	13.88%	13.39%
55 to 64 years	40,569	8.62%, see rank	9.21%	8.63%
65 to 74 years	32,706	6.95%, see rank	7.89%	6.54%
75 to 84	24,389	5.18%, see rank	5.80%	4.39%
85 years and over	8,965	1.90%, see rank	1.93%	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.