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Polk City, IA Historical Age Data

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ACS 2010-2014 data

Total population: 3,770

Median Age (see rank)

Polk City, IA	39.50 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Polk City, IA	40.40 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Polk City, IA	38.80 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	243	6.45%, see rank	6.39%	6.36%
5 to 9 years	422	11.19%, see rank	6.62%	6.51%
10 to 14 years	308	8.17%, see rank	6.58%	6.59%
15 to 19 years	259	6.87%, see rank	6.96%	6.85%
20 to 24 years	148	3.93%, see rank	7.21%	7.13%
25 to 34 years	292	7.75%, see rank	12.65%	13.47%
35 to 44 years	646	17.14%, see rank	11.80%	12.96%
45 to 54 years	487	12.92%, see rank	13.73%	14.09%
55 to 64 years	572	15.17%, see rank	12.80%	12.29%
65 to 74 years	239	6.34%, see rank	7.81%	7.64%
75 to 84	92	2.44%, see rank	4.98%	4.25%
85 years and over	62	1.64%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 3,418

Median Age (see rank)

Polk City, IA	34.40 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Polk City, IA	34.40 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Polk City, IA	34.30 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	328	9.60%, see rank	6.63%	6.54%
5 to 9 years	327	9.57%, see rank	6.59%	6.59%
10 to 14 years	251	7.34%, see rank	6.59%	6.70%
15 to 19 years	197	5.76%, see rank	7.12%	7.14%
20 to 24 years	133	3.89%, see rank	7.00%	6.99%
25 to 34 years	511	14.95%, see rank	12.56%	13.30%
35 to 44 years	540	15.80%, see rank	11.97%	13.30%
45 to 54 years	481	14.07%, see rank	14.43%	14.58%
55 to 64 years	386	11.29%, see rank	12.24%	11.82%
65 to 74 years	169	4.94%, see rank	7.37%	7.03%
75 to 84	71	2.08%, see rank	5.04%	4.23%
85 years and over	24	0.70%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 3,451

Median Age (see rank)

Polk City, IA	38.30 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Polk City, IA	40.00 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Polk City, IA	34.80 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	331	9.59%, see rank	6.53%	6.51%
5 to 9 years	358	10.37%, see rank	6.58%	6.57%
10 to 14 years	291	8.43%, see rank	6.60%	6.68%
15 to 19 years	167	4.84%, see rank	7.14%	7.09%
20 to 24 years	64	1.85%, see rank	7.08%	7.04%
25 to 34 years	387	11.21%, see rank	12.55%	13.32%
35 to 44 years	657	19.04%, see rank	12.02%	13.34%
45 to 54 years	536	15.53%, see rank	14.28%	14.44%
55 to 64 years	405	11.74%, see rank	12.27%	11.84%
65 to 74 years	172	4.98%, see rank	7.45%	7.12%
75 to 84	50	1.45%, see rank	5.08%	4.25%
85 years and over	33	0.96%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 3,231

Median Age (see rank)

Polk City, IA	35.20 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Polk City, IA	36.60 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Polk City, IA	33.90 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	352	10.89%, see rank	6.56%	6.62%
5 to 9 years	273	8.45%, see rank	6.57%	6.62%
10 to 14 years	233	7.21%, see rank	6.64%	6.79%
15 to 19 years	191	5.91%, see rank	7.28%	7.28%
20 to 24 years	99	3.06%, see rank	7.14%	6.98%
25 to 34 years	463	14.33%, see rank	12.25%	13.22%
35 to 44 years	569	17.61%, see rank	12.56%	13.89%
45 to 54 years	534	16.53%, see rank	14.61%	14.57%
55 to 64 years	337	10.43%, see rank	11.58%	11.28%
65 to 74 years	112	3.47%, see rank	7.21%	6.74%
75 to 84	55	1.70%, see rank	5.24%	4.30%
85 years and over	13	0.40%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 3,086

Median Age (see rank)

Polk City, IA	34.70 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Polk City, IA	34.90 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Polk City, IA	34.50 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	346	11.21%, see rank	6.61%	6.92%
5 to 9 years	236	7.65%, see rank	6.38%	6.59%
10 to 14 years	220	7.13%, see rank	6.59%	6.83%
15 to 19 years	164	5.31%, see rank	7.37%	7.15%
20 to 24 years	112	3.63%, see rank	7.65%	7.02%
25 to 34 years	486	15.75%, see rank	11.90%	13.42%
35 to 44 years	543	17.60%, see rank	12.95%	14.18%
45 to 54 years	474	15.36%, see rank	14.71%	14.48%
55 to 64 years	331	10.73%, see rank	11.11%	10.81%
65 to 74 years	98	3.18%, see rank	7.05%	6.50%
75 to 84	55	1.78%, see rank	5.30%	4.40%
85 years and over	21	0.68%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 2,344

Median Age (see rank)

Polk City, IA	34.10 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Polk City, IA	33.40 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Polk City, IA	34.70 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Polk City, IA	% of the Total Population	Iowa	U.S.
Under 5 years	195	8.32%, see rank	6.44%	6.81%
5 to 9 years	177	7.55%, see rank	6.92%	7.30%
10 to 14 years	182	7.76%, see rank	7.19%	7.29%
15 to 19 years	172	7.34%, see rank	7.74%	7.18%
20 to 24 years	91	3.88%, see rank	6.96%	6.74%
25 to 34 years	400	17.06%, see rank	12.41%	14.18%
35 to 44 years	392	16.72%, see rank	15.21%	16.04%
45 to 54 years	373	15.91%, see rank	13.42%	13.39%
55 to 64 years	162	6.91%, see rank	8.80%	8.63%
65 to 74 years	104	4.44%, see rank	7.24%	6.54%
75 to 84	53	2.26%, see rank	5.44%	4.39%
85 years and over	43	1.83%, 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.