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Round Rock, AZ Historical Age Data

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ACS 2010-2014 data

Total population: 896

Median Age (see rank)

Round Rock, AZ	21.00 years old
Arizona	36.50 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Round Rock, AZ	18.70 years old
Arizona	35.30 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Round Rock, AZ	23.30 years old
Arizona	37.80 years old
U.S.	38.80 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	106	11.83%, see rank	6.72%	6.36%
5 to 9 years	111	12.39%, see rank	6.92%	6.51%
10 to 14 years	97	10.83%, see rank	6.95%	6.59%
15 to 19 years	120	13.39%, see rank	6.93%	6.85%
20 to 24 years	50	5.58%, see rank	7.19%	7.13%
25 to 34 years	103	11.50%, see rank	13.33%	13.47%
35 to 44 years	81	9.04%, see rank	12.64%	12.96%
45 to 54 years	66	7.37%, see rank	12.81%	14.09%
55 to 64 years	79	8.82%, see rank	11.66%	12.29%
65 to 74 years	37	4.13%, see rank	8.52%	7.64%
75 to 84	30	3.35%, see rank	4.60%	4.25%
85 years and over	16	1.79%, see rank	1.73%	1.85%

US Census 2010 data

Total population: 789

Median Age (see rank)

Round Rock, AZ	25.10 years old
Arizona	35.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Round Rock, AZ	23.60 years old
Arizona	34.80 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Round Rock, AZ	26.20 years old
Arizona	37.20 years old
U.S.	38.50 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	72	9.13%, see rank	7.13%	6.54%
5 to 9 years	88	11.15%, see rank	7.10%	6.59%
10 to 14 years	85	10.77%, see rank	7.02%	6.70%
15 to 19 years	93	11.79%, see rank	7.22%	7.14%
20 to 24 years	55	6.97%, see rank	6.92%	6.99%
25 to 34 years	106	13.43%, see rank	13.40%	13.30%
35 to 44 years	100	12.67%, see rank	12.87%	13.30%
45 to 54 years	81	10.27%, see rank	13.18%	14.58%
55 to 64 years	50	6.34%, see rank	11.36%	11.82%
65 to 74 years	39	4.94%, see rank	7.79%	7.03%
75 to 84	17	2.15%, see rank	4.39%	4.23%
85 years and over	3	0.38%, see rank	1.62%	1.78%

ACS 2008-2012 data

Total population: 995

Median Age (see rank)

Round Rock, AZ	17.80 years old
Arizona	36.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Round Rock, AZ	18.30 years old
Arizona	34.80 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Round Rock, AZ	17.50 years old
Arizona	37.20 years old
U.S.	38.50 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	155	15.58%, see rank	7.10%	6.51%
5 to 9 years	174	17.49%, see rank	7.00%	6.57%
10 to 14 years	109	10.95%, see rank	7.02%	6.68%
15 to 19 years	109	10.95%, see rank	7.11%	7.09%
20 to 24 years	24	2.41%, see rank	7.03%	7.04%
25 to 34 years	132	13.27%, see rank	13.47%	13.32%
35 to 44 years	123	12.36%, see rank	12.89%	13.34%
45 to 54 years	36	3.62%, see rank	13.05%	14.44%
55 to 64 years	70	7.04%, see rank	11.36%	11.84%
65 to 74 years	30	3.02%, see rank	7.88%	7.12%
75 to 84	33	3.32%, see rank	4.44%	4.25%
85 years and over	0	0.00%, see rank	1.63%	1.78%

ACS 2006-2010 data

Total population: 922

Median Age (see rank)

Round Rock, AZ	19.40 years old
Arizona	35.50 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Round Rock, AZ	18.10 years old
Arizona	34.30 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Round Rock, AZ	20.70 years old
Arizona	36.60 years old
U.S.	38.10 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	130	14.10%, see rank	7.41%	6.62%
5 to 9 years	133	14.43%, see rank	7.05%	6.62%
10 to 14 years	81	8.79%, see rank	7.05%	6.79%
15 to 19 years	143	15.51%, see rank	7.25%	7.28%
20 to 24 years	44	4.77%, see rank	6.93%	6.98%
25 to 34 years	132	14.32%, see rank	13.66%	13.22%
35 to 44 years	95	10.30%, see rank	13.26%	13.89%
45 to 54 years	86	9.33%, see rank	13.13%	14.57%
55 to 64 years	42	4.56%, see rank	10.92%	11.28%
65 to 74 years	9	0.98%, see rank	7.40%	6.74%
75 to 84	21	2.28%, see rank	4.42%	4.30%
85 years and over	6	0.65%, see rank	1.52%	1.70%

ACS 2005-2009 data

Total population: 763

Median Age (see rank)

Round Rock, AZ	20.00 years old
Arizona	34.80 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Round Rock, AZ	18.90 years old
Arizona	33.60 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Round Rock, AZ	20.80 years old
Arizona	36.00 years old
U.S.	37.90 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	83	10.88%, see rank	7.93%	6.92%
5 to 9 years	110	14.42%, see rank	7.16%	6.59%
10 to 14 years	63	8.26%, see rank	7.12%	6.83%
15 to 19 years	124	16.25%, see rank	6.82%	7.15%
20 to 24 years	40	5.24%, see rank	6.74%	7.02%
25 to 34 years	80	10.48%, see rank	14.54%	13.42%
35 to 44 years	89	11.66%, see rank	13.57%	14.18%
45 to 54 years	89	11.66%, see rank	12.95%	14.48%
55 to 64 years	48	6.29%, see rank	10.30%	10.81%
65 to 74 years	5	0.66%, see rank	6.65%	6.50%
75 to 84	24	3.15%, see rank	4.68%	4.40%
85 years and over	8	1.05%, see rank	1.54%	1.71%

US Census 2000 data

Total population: 601

Median Age (see rank)

Round Rock, AZ	21.10 years old
Arizona	34.20 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Round Rock, AZ	19.10 years old
Arizona	32.90 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Round Rock, AZ	24.30 years old
Arizona	35.50 years old
U.S.	36.50 years old

	Round Rock, AZ	% of the Total Population	Arizona	U.S.
Under 5 years	58	9.65%, see rank	7.45%	6.81%
5 to 9 years	75	12.48%, see rank	7.60%	7.30%
10 to 14 years	81	13.48%, see rank	7.37%	7.29%
15 to 19 years	79	13.14%, see rank	7.17%	7.18%
20 to 24 years	46	7.65%, see rank	7.07%	6.74%
25 to 34 years	74	12.31%, see rank	14.48%	14.18%
35 to 44 years	64	10.65%, see rank	14.98%	16.04%
45 to 54 years	55	9.15%, see rank	12.24%	13.39%
55 to 64 years	27	4.49%, see rank	8.62%	8.63%
65 to 74 years	26	4.33%, see rank	7.09%	6.54%
75 to 84	11	1.83%, see rank	4.59%	4.39%
85 years and over	5	0.83%, see rank	1.34%	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.