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Northfield, NJ Historical Age Data

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ACS 2010-2014 data

Total population: 8,616

Median Age (see rank)

Northfield, NJ	42.90 years old
New Jersey	39.30 years old
U.S.	37.40 years old

Median Age, Male (see rank)

Northfield, NJ	41.30 years old
New Jersey	37.70 years old
U.S.	36.10 years old

Median Age, Female (see rank)

Northfield, NJ	44.10 years old
New Jersey	40.70 years old
U.S.	38.80 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	530	6.15%, see rank	6.04%	6.36%
5 to 9 years	400	4.64%, see rank	6.27%	6.51%
10 to 14 years	828	9.61%, see rank	6.56%	6.59%
15 to 19 years	699	8.11%, see rank	6.63%	6.85%
20 to 24 years	273	3.17%, see rank	6.30%	7.13%
25 to 34 years	854	9.91%, see rank	12.77%	13.47%
35 to 44 years	906	10.52%, see rank	13.53%	12.96%
45 to 54 years	1,825	21.18%, see rank	15.37%	14.09%
55 to 64 years	874	10.14%, see rank	12.47%	12.29%
65 to 74 years	728	8.45%, see rank	7.55%	7.64%
75 to 84	454	5.27%, see rank	4.40%	4.25%
85 years and over	245	2.84%, see rank	2.13%	1.85%

US Census 2010 data

Total population: 8,624

Median Age (see rank)

Northfield, NJ	43.10 years old
New Jersey	39.00 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Northfield, NJ	40.90 years old
New Jersey	37.40 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Northfield, NJ	44.90 years old
New Jersey	40.30 years old
U.S.	38.50 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	417	4.84%, see rank	6.15%	6.54%
5 to 9 years	585	6.78%, see rank	6.42%	6.59%
10 to 14 years	652	7.56%, see rank	6.68%	6.70%
15 to 19 years	663	7.69%, see rank	6.80%	7.14%
20 to 24 years	390	4.52%, see rank	6.16%	6.99%
25 to 34 years	712	8.26%, see rank	12.62%	13.30%
35 to 44 years	1,124	13.03%, see rank	14.08%	13.30%
45 to 54 years	1,671	19.38%, see rank	15.69%	14.58%
55 to 64 years	1,025	11.89%, see rank	11.90%	11.82%
65 to 74 years	663	7.69%, see rank	6.95%	7.03%
75 to 84	474	5.50%, see rank	4.49%	4.23%
85 years and over	248	2.88%, see rank	2.04%	1.78%

ACS 2008-2012 data

Total population: 8,626

Median Age (see rank)

Northfield, NJ	43.20 years old
New Jersey	38.90 years old
U.S.	37.20 years old

Median Age, Male (see rank)

Northfield, NJ	41.20 years old
New Jersey	37.40 years old
U.S.	35.80 years old

Median Age, Female (see rank)

Northfield, NJ	44.30 years old
New Jersey	40.30 years old
U.S.	38.50 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	353	4.09%, see rank	6.12%	6.51%
5 to 9 years	496	5.75%, see rank	6.41%	6.57%
10 to 14 years	777	9.01%, see rank	6.65%	6.68%
15 to 19 years	652	7.56%, see rank	6.79%	7.09%
20 to 24 years	350	4.06%, see rank	6.15%	7.04%
25 to 34 years	735	8.52%, see rank	12.67%	13.32%
35 to 44 years	1,120	12.98%, see rank	14.11%	13.34%
45 to 54 years	1,807	20.95%, see rank	15.56%	14.44%
55 to 64 years	884	10.25%, see rank	11.94%	11.84%
65 to 74 years	742	8.60%, see rank	7.06%	7.12%
75 to 84	464	5.38%, see rank	4.52%	4.25%
85 years and over	246	2.85%, see rank	2.02%	1.78%

ACS 2006-2010 data

Total population: 8,559

Median Age (see rank)

Northfield, NJ	41.50 years old
New Jersey	38.50 years old
U.S.	36.90 years old

Median Age, Male (see rank)

Northfield, NJ	40.00 years old
New Jersey	37.00 years old
U.S.	35.60 years old

Median Age, Female (see rank)

Northfield, NJ	43.60 years old
New Jersey	39.90 years old
U.S.	38.10 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	398	4.65%, see rank	6.27%	6.62%
5 to 9 years	696	8.13%, see rank	6.52%	6.62%
10 to 14 years	704	8.23%, see rank	6.75%	6.79%
15 to 19 years	606	7.08%, see rank	6.90%	7.28%
20 to 24 years	257	3.00%, see rank	6.03%	6.98%
25 to 34 years	670	7.83%, see rank	12.59%	13.22%
35 to 44 years	1,356	15.84%, see rank	14.85%	13.89%
45 to 54 years	1,522	17.78%, see rank	15.46%	14.57%
55 to 64 years	962	11.24%, see rank	11.38%	11.28%
65 to 74 years	652	7.62%, see rank	6.70%	6.74%
75 to 84	459	5.36%, see rank	4.63%	4.30%
85 years and over	277	3.24%, see rank	1.91%	1.70%

ACS 2005-2009 data

Total population: 7,911

Median Age (see rank)

Northfield, NJ	40.80 years old
New Jersey	38.30 years old
U.S.	36.50 years old

Median Age, Male (see rank)

Northfield, NJ	38.80 years old
New Jersey	36.90 years old
U.S.	35.20 years old

Median Age, Female (see rank)

Northfield, NJ	43.20 years old
New Jersey	39.80 years old
U.S.	37.90 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	425	5.37%, see rank	6.49%	6.92%
5 to 9 years	674	8.52%, see rank	6.51%	6.59%
10 to 14 years	625	7.90%, see rank	6.74%	6.83%
15 to 19 years	564	7.13%, see rank	6.72%	7.15%
20 to 24 years	239	3.02%, see rank	5.99%	7.02%
25 to 34 years	571	7.22%, see rank	12.75%	13.42%
35 to 44 years	1,378	17.42%, see rank	15.22%	14.18%
45 to 54 years	1,309	16.55%, see rank	15.37%	14.48%
55 to 64 years	785	9.92%, see rank	11.02%	10.81%
65 to 74 years	626	7.91%, see rank	6.66%	6.50%
75 to 84	458	5.79%, see rank	4.65%	4.40%
85 years and over	257	3.25%, see rank	1.87%	1.71%

US Census 2000 data

Total population: 7,725

Median Age (see rank)

Northfield, NJ	40.40 years old
New Jersey	36.70 years old
U.S.	35.30 years old

Median Age, Male (see rank)

Northfield, NJ	39.10 years old
New Jersey	35.50 years old
U.S.	34.00 years old

Median Age, Female (see rank)

Northfield, NJ	41.40 years old
New Jersey	38.00 years old
U.S.	36.50 years old

	Northfield, NJ	% of the Total Population	New Jersey	U.S.
Under 5 years	417	5.40%, see rank	6.70%	6.81%
5 to 9 years	599	7.75%, see rank	7.18%	7.30%
10 to 14 years	612	7.92%, see rank	7.02%	7.29%
15 to 19 years	463	5.99%, see rank	6.24%	7.18%
20 to 24 years	219	2.83%, see rank	5.71%	6.74%
25 to 34 years	804	10.41%, see rank	14.13%	14.18%
35 to 44 years	1,483	19.20%, see rank	17.06%	16.04%
45 to 54 years	1,030	13.33%, see rank	13.77%	13.39%
55 to 64 years	725	9.39%, see rank	8.96%	8.63%
65 to 74 years	684	8.85%, see rank	6.83%	6.54%
75 to 84	507	6.56%, see rank	4.78%	4.39%
85 years and over	182	2.36%, see rank	1.62%	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.