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Riverdale, IA Historical Age Data

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ACS 2010-2014 data

Total population: 531

Median Age (see rank)

Riverdale, IA	45.50 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Riverdale, IA	44.90 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Riverdale, IA	45.70 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	7	1.32%, see rank	6.39%	6.36%
5 to 9 years	29	5.46%, see rank	6.62%	6.51%
10 to 14 years	49	9.23%, see rank	6.58%	6.59%
15 to 19 years	31	5.84%, see rank	6.96%	6.85%
20 to 24 years	30	5.65%, see rank	7.21%	7.13%
25 to 34 years	52	9.79%, see rank	12.65%	13.47%
35 to 44 years	61	11.49%, see rank	11.80%	12.96%
45 to 54 years	100	18.83%, see rank	13.73%	14.09%
55 to 64 years	68	12.81%, see rank	12.80%	12.29%
65 to 74 years	54	10.17%, see rank	7.81%	7.64%
75 to 84	39	7.34%, see rank	4.98%	4.25%
85 years and over	11	2.07%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 405

Median Age (see rank)

Riverdale, IA	48.40 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Riverdale, IA	45.70 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Riverdale, IA	50.80 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	15	3.70%, see rank	6.63%	6.54%
5 to 9 years	25	6.17%, see rank	6.59%	6.59%
10 to 14 years	24	5.93%, see rank	6.59%	6.70%
15 to 19 years	25	6.17%, see rank	7.12%	7.14%
20 to 24 years	16	3.95%, see rank	7.00%	6.99%
25 to 34 years	38	9.38%, see rank	12.56%	13.30%
35 to 44 years	42	10.37%, see rank	11.97%	13.30%
45 to 54 years	65	16.05%, see rank	14.43%	14.58%
55 to 64 years	65	16.05%, see rank	12.24%	11.82%
65 to 74 years	41	10.12%, see rank	7.37%	7.03%
75 to 84	38	9.38%, see rank	5.04%	4.23%
85 years and over	11	2.72%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 593

Median Age (see rank)

Riverdale, IA	43.40 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Riverdale, IA	46.40 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Riverdale, IA	39.90 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	54	9.11%, see rank	6.53%	6.51%
5 to 9 years	22	3.71%, see rank	6.58%	6.57%
10 to 14 years	44	7.42%, see rank	6.60%	6.68%
15 to 19 years	41	6.91%, see rank	7.14%	7.09%
20 to 24 years	52	8.77%, see rank	7.08%	7.04%
25 to 34 years	37	6.24%, see rank	12.55%	13.32%
35 to 44 years	66	11.13%, see rank	12.02%	13.34%
45 to 54 years	118	19.90%, see rank	14.28%	14.44%
55 to 64 years	81	13.66%, see rank	12.27%	11.84%
65 to 74 years	30	5.06%, see rank	7.45%	7.12%
75 to 84	34	5.73%, see rank	5.08%	4.25%
85 years and over	14	2.36%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 524

Median Age (see rank)

Riverdale, IA	42.00 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Riverdale, IA	45.00 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Riverdale, IA	37.70 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	54	10.31%, see rank	6.56%	6.62%
5 to 9 years	17	3.24%, see rank	6.57%	6.62%
10 to 14 years	31	5.92%, see rank	6.64%	6.79%
15 to 19 years	31	5.92%, see rank	7.28%	7.28%
20 to 24 years	46	8.78%, see rank	7.14%	6.98%
25 to 34 years	50	9.54%, see rank	12.25%	13.22%
35 to 44 years	47	8.97%, see rank	12.56%	13.89%
45 to 54 years	86	16.41%, see rank	14.61%	14.57%
55 to 64 years	81	15.46%, see rank	11.58%	11.28%
65 to 74 years	36	6.87%, see rank	7.21%	6.74%
75 to 84	32	6.11%, see rank	5.24%	4.30%
85 years and over	13	2.48%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 587

Median Age (see rank)

Riverdale, IA	42.50 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Riverdale, IA	42.70 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Riverdale, IA	41.80 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	64	10.90%, see rank	6.61%	6.92%
5 to 9 years	14	2.39%, see rank	6.38%	6.59%
10 to 14 years	30	5.11%, see rank	6.59%	6.83%
15 to 19 years	54	9.20%, see rank	7.37%	7.15%
20 to 24 years	44	7.50%, see rank	7.65%	7.02%
25 to 34 years	49	8.35%, see rank	11.90%	13.42%
35 to 44 years	42	7.16%, see rank	12.95%	14.18%
45 to 54 years	103	17.55%, see rank	14.71%	14.48%
55 to 64 years	106	18.06%, see rank	11.11%	10.81%
65 to 74 years	40	6.81%, see rank	7.05%	6.50%
75 to 84	27	4.60%, see rank	5.30%	4.40%
85 years and over	14	2.39%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 656

Median Age (see rank)

Riverdale, IA	40.50 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Riverdale, IA	37.80 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Riverdale, IA	42.20 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Riverdale, IA	% of the Total Population	Iowa	U.S.
Under 5 years	54	8.23%, see rank	6.44%	6.81%
5 to 9 years	39	5.95%, see rank	6.92%	7.30%
10 to 14 years	50	7.62%, see rank	7.19%	7.29%
15 to 19 years	50	7.62%, see rank	7.74%	7.18%
20 to 24 years	35	5.34%, see rank	6.96%	6.74%
25 to 34 years	61	9.30%, see rank	12.41%	14.18%
35 to 44 years	95	14.48%, see rank	15.21%	16.04%
45 to 54 years	87	13.26%, see rank	13.42%	13.39%
55 to 64 years	64	9.76%, see rank	8.80%	8.63%
65 to 74 years	75	11.43%, see rank	7.24%	6.54%
75 to 84	39	5.95%, see rank	5.44%	4.39%
85 years and over	7	1.07%, see rank	2.23%	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.