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Foster County Historical Age Data

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ACS 2010-2014 data

Total population: 3,364

Median Age (see rank)

Foster County	46.40 years old
North Dakota	35.90 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Foster County	44.90 years old
North Dakota	34.50 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Foster County	47.00 years old
North Dakota	37.50 years old
U.S.	38.80 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	175	5.20%, see rank	6.65%	6.36%
5 to 9 years	148	4.40%, see rank	6.38%	6.51%
10 to 14 years	251	7.46%, see rank	5.79%	6.59%
15 to 19 years	207	6.15%, see rank	6.87%	6.85%
20 to 24 years	168	4.99%, see rank	9.27%	7.13%
25 to 34 years	312	9.27%, see rank	14.00%	13.47%
35 to 44 years	371	11.03%, see rank	11.06%	12.96%
45 to 54 years	520	15.46%, see rank	13.20%	14.09%
55 to 64 years	458	13.61%, see rank	12.46%	12.29%
65 to 74 years	310	9.22%, see rank	7.12%	7.64%
75 to 84	335	9.96%, see rank	4.78%	4.25%
85 years and over	109	3.24%, see rank	2.41%	1.85%

US Census 2010 data

Total population: 3,343

Median Age (see rank)

Foster County	46.70 years old
North Dakota	37.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Foster County	45.40 years old
North Dakota	35.50 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Foster County	47.70 years old
North Dakota	38.70 years old
U.S.	38.50 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	178	5.32%, see rank	6.63%	6.54%
5 to 9 years	185	5.53%, see rank	5.96%	6.59%
10 to 14 years	216	6.46%, see rank	5.92%	6.70%
15 to 19 years	228	6.82%, see rank	7.06%	7.14%
20 to 24 years	123	3.68%, see rank	8.77%	6.99%
25 to 34 years	291	8.70%, see rank	13.45%	13.30%
35 to 44 years	376	11.25%, see rank	11.19%	13.30%
45 to 54 years	567	16.96%, see rank	14.37%	14.58%
55 to 64 years	421	12.59%, see rank	12.16%	11.82%
65 to 74 years	305	9.12%, see rank	6.97%	7.03%
75 to 84	304	9.09%, see rank	5.04%	4.23%
85 years and over	149	4.46%, see rank	2.48%	1.78%

ACS 2008-2012 data

Total population: 3,368

Median Age (see rank)

Foster County	45.70 years old
North Dakota	36.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Foster County	43.00 years old
North Dakota	35.30 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Foster County	46.60 years old
North Dakota	38.60 years old
U.S.	38.50 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	189	5.61%, see rank	6.51%	6.51%
5 to 9 years	150	4.45%, see rank	6.15%	6.57%
10 to 14 years	247	7.33%, see rank	5.77%	6.68%
15 to 19 years	192	5.70%, see rank	7.10%	7.09%
20 to 24 years	180	5.34%, see rank	8.99%	7.04%
25 to 34 years	300	8.91%, see rank	13.44%	13.32%
35 to 44 years	383	11.37%, see rank	11.24%	13.34%
45 to 54 years	549	16.30%, see rank	14.18%	14.44%
55 to 64 years	420	12.47%, see rank	12.14%	11.84%
65 to 74 years	307	9.12%, see rank	7.02%	7.12%
75 to 84	325	9.65%, see rank	5.01%	4.25%
85 years and over	126	3.74%, see rank	2.45%	1.78%

ACS 2006-2010 data

Total population: 3,434

Median Age (see rank)

Foster County	45.80 years old
North Dakota	37.20 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Foster County	43.50 years old
North Dakota	35.60 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Foster County	46.50 years old
North Dakota	38.90 years old
U.S.	38.10 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	205	5.97%, see rank	6.33%	6.62%
5 to 9 years	147	4.28%, see rank	5.93%	6.62%
10 to 14 years	204	5.94%, see rank	6.09%	6.79%
15 to 19 years	263	7.66%, see rank	7.48%	7.28%
20 to 24 years	161	4.69%, see rank	9.10%	6.98%
25 to 34 years	292	8.50%, see rank	12.63%	13.22%
35 to 44 years	390	11.36%, see rank	11.70%	13.89%
45 to 54 years	549	15.99%, see rank	14.72%	14.57%
55 to 64 years	379	11.04%, see rank	11.46%	11.28%
65 to 74 years	352	10.25%, see rank	6.89%	6.74%
75 to 84	378	11.01%, see rank	5.17%	4.30%
85 years and over	114	3.32%, see rank	2.48%	1.70%

ACS 2005-2009 data

Total population: 3,424

Median Age (see rank)

Foster County	46.60 years old
North Dakota	36.60 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Foster County	43.40 years old
North Dakota	34.80 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Foster County	48.40 years old
North Dakota	38.50 years old
U.S.	37.90 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	164	4.79%, see rank	6.35%	6.92%
5 to 9 years	154	4.50%, see rank	5.80%	6.59%
10 to 14 years	204	5.96%, see rank	6.15%	6.83%
15 to 19 years	231	6.75%, see rank	7.80%	7.15%
20 to 24 years	222	6.48%, see rank	10.05%	7.02%
25 to 34 years	202	5.90%, see rank	12.14%	13.42%
35 to 44 years	444	12.97%, see rank	11.86%	14.18%
45 to 54 years	554	16.18%, see rank	14.50%	14.48%
55 to 64 years	390	11.39%, see rank	10.71%	10.81%
65 to 74 years	389	11.36%, see rank	6.76%	6.50%
75 to 84	345	10.08%, see rank	5.36%	4.40%
85 years and over	125	3.65%, see rank	2.51%	1.71%

US Census 2000 data

Total population: 3,759

Median Age (see rank)

Foster County	40.50 years old
North Dakota	36.20 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Foster County	39.40 years old
North Dakota	34.80 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Foster County	41.80 years old
North Dakota	37.50 years old
U.S.	36.50 years old

	Foster County	% of the Total Population	North Dakota	U.S.
Under 5 years	200	5.32%, see rank	6.14%	6.81%
5 to 9 years	279	7.42%, see rank	6.69%	7.30%
10 to 14 years	313	8.33%, see rank	7.39%	7.29%
15 to 19 years	273	7.26%, see rank	8.35%	7.18%
20 to 24 years	127	3.38%, see rank	7.86%	6.74%
25 to 34 years	372	9.90%, see rank	11.97%	14.18%
35 to 44 years	601	15.99%, see rank	15.26%	16.04%
45 to 54 years	445	11.84%, see rank	13.30%	13.39%
55 to 64 years	346	9.20%, see rank	8.32%	8.63%
65 to 74 years	408	10.85%, see rank	7.15%	6.54%
75 to 84	280	7.45%, see rank	5.27%	4.39%
85 years and over	115	3.06%, see rank	2.29%	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.