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Colfax, IA Historical Age Data

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ACS 2010-2014 data

Total population: 1,835

Median Age (see rank)

Colfax, IA	38.10 years old
Iowa	38.00 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Colfax, IA	40.80 years old
Iowa	36.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Colfax, IA	34.70 years old
Iowa	39.40 years old
U.S.	38.80 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	95	5.18%, see rank	6.39%	6.36%
5 to 9 years	99	5.40%, see rank	6.62%	6.51%
10 to 14 years	192	10.46%, see rank	6.58%	6.59%
15 to 19 years	218	11.88%, see rank	6.96%	6.85%
20 to 24 years	61	3.32%, see rank	7.21%	7.13%
25 to 34 years	179	9.75%, see rank	12.65%	13.47%
35 to 44 years	233	12.70%, see rank	11.80%	12.96%
45 to 54 years	240	13.08%, see rank	13.73%	14.09%
55 to 64 years	241	13.13%, see rank	12.80%	12.29%
65 to 74 years	132	7.19%, see rank	7.81%	7.64%
75 to 84	118	6.43%, see rank	4.98%	4.25%
85 years and over	27	1.47%, see rank	2.48%	1.85%

US Census 2010 data

Total population: 2,093

Median Age (see rank)

Colfax, IA	38.30 years old
Iowa	38.10 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Colfax, IA	37.00 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Colfax, IA	40.50 years old
Iowa	39.50 years old
U.S.	38.50 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	147	7.02%, see rank	6.63%	6.54%
5 to 9 years	141	6.74%, see rank	6.59%	6.59%
10 to 14 years	137	6.55%, see rank	6.59%	6.70%
15 to 19 years	137	6.55%, see rank	7.12%	7.14%
20 to 24 years	107	5.11%, see rank	7.00%	6.99%
25 to 34 years	302	14.43%, see rank	12.56%	13.30%
35 to 44 years	244	11.66%, see rank	11.97%	13.30%
45 to 54 years	325	15.53%, see rank	14.43%	14.58%
55 to 64 years	243	11.61%, see rank	12.24%	11.82%
65 to 74 years	170	8.12%, see rank	7.37%	7.03%
75 to 84	107	5.11%, see rank	5.04%	4.23%
85 years and over	33	1.58%, see rank	2.45%	1.78%

ACS 2008-2012 data

Total population: 2,210

Median Age (see rank)

Colfax, IA	33.40 years old
Iowa	38.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Colfax, IA	37.40 years old
Iowa	36.60 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Colfax, IA	29.50 years old
Iowa	39.40 years old
U.S.	38.50 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	224	10.14%, see rank	6.53%	6.51%
5 to 9 years	168	7.60%, see rank	6.58%	6.57%
10 to 14 years	177	8.01%, see rank	6.60%	6.68%
15 to 19 years	199	9.00%, see rank	7.14%	7.09%
20 to 24 years	104	4.71%, see rank	7.08%	7.04%
25 to 34 years	280	12.67%, see rank	12.55%	13.32%
35 to 44 years	281	12.71%, see rank	12.02%	13.34%
45 to 54 years	322	14.57%, see rank	14.28%	14.44%
55 to 64 years	195	8.82%, see rank	12.27%	11.84%
65 to 74 years	175	7.92%, see rank	7.45%	7.12%
75 to 84	60	2.71%, see rank	5.08%	4.25%
85 years and over	25	1.13%, see rank	2.42%	1.78%

ACS 2006-2010 data

Total population: 2,743

Median Age (see rank)

Colfax, IA	32.90 years old
Iowa	38.00 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Colfax, IA	34.10 years old
Iowa	36.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Colfax, IA	30.40 years old
Iowa	39.30 years old
U.S.	38.10 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	298	10.86%, see rank	6.56%	6.62%
5 to 9 years	184	6.71%, see rank	6.57%	6.62%
10 to 14 years	160	5.83%, see rank	6.64%	6.79%
15 to 19 years	248	9.04%, see rank	7.28%	7.28%
20 to 24 years	224	8.17%, see rank	7.14%	6.98%
25 to 34 years	354	12.91%, see rank	12.25%	13.22%
35 to 44 years	321	11.70%, see rank	12.56%	13.89%
45 to 54 years	508	18.52%, see rank	14.61%	14.57%
55 to 64 years	140	5.10%, see rank	11.58%	11.28%
65 to 74 years	243	8.86%, see rank	7.21%	6.74%
75 to 84	48	1.75%, see rank	5.24%	4.30%
85 years and over	15	0.55%, see rank	2.36%	1.70%

ACS 2005-2009 data

Total population: 2,883

Median Age (see rank)

Colfax, IA	33.00 years old
Iowa	37.90 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Colfax, IA	34.40 years old
Iowa	36.50 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Colfax, IA	30.20 years old
Iowa	39.30 years old
U.S.	37.90 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	354	12.28%, see rank	6.61%	6.92%
5 to 9 years	210	7.28%, see rank	6.38%	6.59%
10 to 14 years	145	5.03%, see rank	6.59%	6.83%
15 to 19 years	152	5.27%, see rank	7.37%	7.15%
20 to 24 years	266	9.23%, see rank	7.65%	7.02%
25 to 34 years	421	14.60%, see rank	11.90%	13.42%
35 to 44 years	363	12.59%, see rank	12.95%	14.18%
45 to 54 years	575	19.94%, see rank	14.71%	14.48%
55 to 64 years	144	4.99%, see rank	11.11%	10.81%
65 to 74 years	209	7.25%, see rank	7.05%	6.50%
75 to 84	33	1.14%, see rank	5.30%	4.40%
85 years and over	11	0.38%, see rank	2.38%	1.71%

US Census 2000 data

Total population: 2,223

Median Age (see rank)

Colfax, IA	34.80 years old
Iowa	36.60 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Colfax, IA	33.00 years old
Iowa	35.20 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Colfax, IA	36.60 years old
Iowa	38.00 years old
U.S.	36.50 years old

	Colfax, IA	% of the Total Population	Iowa	U.S.
Under 5 years	150	6.75%, see rank	6.44%	6.81%
5 to 9 years	181	8.14%, see rank	6.92%	7.30%
10 to 14 years	196	8.82%, see rank	7.19%	7.29%
15 to 19 years	173	7.78%, see rank	7.74%	7.18%
20 to 24 years	139	6.25%, see rank	6.96%	6.74%
25 to 34 years	278	12.51%, see rank	12.41%	14.18%
35 to 44 years	359	16.15%, see rank	15.21%	16.04%
45 to 54 years	290	13.05%, see rank	13.42%	13.39%
55 to 64 years	199	8.95%, see rank	8.80%	8.63%
65 to 74 years	143	6.43%, see rank	7.24%	6.54%
75 to 84	83	3.73%, see rank	5.44%	4.39%
85 years and over	32	1.44%, 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.