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Rock Island, WA Historical Age Data

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ACS 2010-2014 data

Total population: 874

Median Age (see rank)

Rock Island, WA	33.80 years old
Washington	37.40 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Rock Island, WA	33.20 years old
Washington	36.30 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Rock Island, WA	35.10 years old
Washington	38.40 years old
U.S.	38.80 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	69	7.89%, see rank	6.43%	6.36%
5 to 9 years	69	7.89%, see rank	6.33%	6.51%
10 to 14 years	66	7.55%, see rank	6.40%	6.59%
15 to 19 years	43	4.92%, see rank	6.49%	6.85%
20 to 24 years	76	8.70%, see rank	7.01%	7.13%
25 to 34 years	121	13.84%, see rank	14.18%	13.47%
35 to 44 years	82	9.38%, see rank	13.23%	12.96%
45 to 54 years	153	17.51%, see rank	13.98%	14.09%
55 to 64 years	93	10.64%, see rank	12.78%	12.29%
65 to 74 years	75	8.58%, see rank	7.59%	7.64%
75 to 84	21	2.40%, see rank	3.81%	4.25%
85 years and over	6	0.69%, see rank	1.78%	1.85%

US Census 2010 data

Total population: 788

Median Age (see rank)

Rock Island, WA	32.50 years old
Washington	37.30 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Rock Island, WA	32.10 years old
Washington	36.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Rock Island, WA	33.10 years old
Washington	38.30 years old
U.S.	38.50 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	63	7.99%, see rank	6.54%	6.54%
5 to 9 years	73	9.26%, see rank	6.39%	6.59%
10 to 14 years	73	9.26%, see rank	6.52%	6.70%
15 to 19 years	69	8.76%, see rank	6.87%	7.14%
20 to 24 years	49	6.22%, see rank	6.86%	6.99%
25 to 34 years	92	11.68%, see rank	13.89%	13.30%
35 to 44 years	89	11.29%, see rank	13.51%	13.30%
45 to 54 years	115	14.59%, see rank	14.70%	14.58%
55 to 64 years	92	11.68%, see rank	12.42%	11.82%
65 to 74 years	36	4.57%, see rank	6.80%	7.03%
75 to 84	34	4.31%, see rank	3.77%	4.23%
85 years and over	3	0.38%, see rank	1.74%	1.78%

ACS 2008-2012 data

Total population: 689

Median Age (see rank)

Rock Island, WA	35.10 years old
Washington	37.20 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Rock Island, WA	28.80 years old
Washington	36.20 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Rock Island, WA	35.60 years old
Washington	38.30 years old
U.S.	38.50 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	43	6.24%, see rank	6.50%	6.51%
5 to 9 years	44	6.39%, see rank	6.35%	6.57%
10 to 14 years	63	9.14%, see rank	6.50%	6.68%
15 to 19 years	52	7.55%, see rank	6.79%	7.09%
20 to 24 years	58	8.42%, see rank	6.98%	7.04%
25 to 34 years	83	12.05%, see rank	13.94%	13.32%
35 to 44 years	73	10.60%, see rank	13.54%	13.34%
45 to 54 years	93	13.50%, see rank	14.56%	14.44%
55 to 64 years	94	13.64%, see rank	12.43%	11.84%
65 to 74 years	53	7.69%, see rank	6.90%	7.12%
75 to 84	31	4.50%, see rank	3.83%	4.25%
85 years and over	2	0.29%, see rank	1.70%	1.78%

ACS 2006-2010 data

Total population: 806

Median Age (see rank)

Rock Island, WA	34.00 years old
Washington	37.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Rock Island, WA	28.40 years old
Washington	36.00 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Rock Island, WA	35.10 years old
Washington	38.00 years old
U.S.	38.10 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	61	7.57%, see rank	6.50%	6.62%
5 to 9 years	77	9.55%, see rank	6.41%	6.62%
10 to 14 years	77	9.55%, see rank	6.64%	6.79%
15 to 19 years	56	6.95%, see rank	7.05%	7.28%
20 to 24 years	44	5.46%, see rank	6.94%	6.98%
25 to 34 years	92	11.41%, see rank	13.67%	13.22%
35 to 44 years	101	12.53%, see rank	14.07%	13.89%
45 to 54 years	121	15.01%, see rank	14.95%	14.57%
55 to 64 years	89	11.04%, see rank	11.86%	11.28%
65 to 74 years	55	6.82%, see rank	6.38%	6.74%
75 to 84	29	3.60%, see rank	3.87%	4.30%
85 years and over	4	0.50%, see rank	1.65%	1.70%

ACS 2005-2009 data

Total population: 844

Median Age (see rank)

Rock Island, WA	26.80 years old
Washington	36.80 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Rock Island, WA	27.40 years old
Washington	35.70 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Rock Island, WA	25.70 years old
Washington	37.80 years old
U.S.	37.90 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	101	11.97%, see rank	6.67%	6.92%
5 to 9 years	49	5.81%, see rank	6.35%	6.59%
10 to 14 years	86	10.19%, see rank	6.71%	6.83%
15 to 19 years	85	10.07%, see rank	6.90%	7.15%
20 to 24 years	58	6.87%, see rank	7.03%	7.02%
25 to 34 years	89	10.55%, see rank	13.85%	13.42%
35 to 44 years	109	12.91%, see rank	14.28%	14.18%
45 to 54 years	108	12.80%, see rank	15.03%	14.48%
55 to 64 years	87	10.31%, see rank	11.43%	10.81%
65 to 74 years	40	4.74%, see rank	6.18%	6.50%
75 to 84	21	2.49%, see rank	3.97%	4.40%
85 years and over	11	1.30%, see rank	1.61%	1.71%

US Census 2000 data

Total population: 863

Median Age (see rank)

Rock Island, WA	28.80 years old
Washington	35.30 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Rock Island, WA	29.50 years old
Washington	34.40 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Rock Island, WA	27.90 years old
Washington	36.30 years old
U.S.	36.50 years old

	Rock Island, WA	% of the Total Population	Washington	U.S.
Under 5 years	90	10.43%, see rank	6.69%	6.81%
5 to 9 years	91	10.54%, see rank	7.23%	7.30%
10 to 14 years	77	8.92%, see rank	7.38%	7.29%
15 to 19 years	81	9.39%, see rank	7.26%	7.18%
20 to 24 years	54	6.26%, see rank	6.62%	6.74%
25 to 34 years	126	14.60%, see rank	14.27%	14.18%
35 to 44 years	124	14.37%, see rank	16.54%	16.04%
45 to 54 years	91	10.54%, see rank	14.35%	13.39%
55 to 64 years	57	6.60%, see rank	8.43%	8.63%
65 to 74 years	51	5.91%, see rank	5.72%	6.54%
75 to 84	15	1.74%, see rank	4.09%	4.39%
85 years and over	6	0.70%, 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.