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Groton Census Guide
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Census Information
Groton ,  CT  6340
Sex by Age
Total Population:
10,010 
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Male:
5,267 
Under 5 years:
393 
5 to 9 years:
313 
10 to 14 years:
288 
15 to 17 years:
149 
18 and 19 years:
122 
20 years:
185 
21 years:
222 
22 to 24 years:
471 
25 to 29 years:
535 
30 to 34 years:
415 
35 to 39 years:
433 
40 to 44 years:
373 
45 to 49 years:
317 
50 to 54 years:
286 
55 to 59 years:
197 
60 and 61 years:
55 
62 to 64 years:
74 
65 and 66 years:
44 
67 to 69 years:
60 
70 to 74 years:
129 
75 to 79 years:
106 
80 to 84 years:
72 
85 years and over:
28 
Female:
4,743 
Under 5 years:
380 
5 to 9 years:
308 
10 to 14 years:
258 
15 to 17 years:
166 
18 and 19 years:
139 
20 years:
95 
21 years:
90 
22 to 24 years:
247 
25 to 29 years:
398 
30 to 34 years:
369 
35 to 39 years:
394 
40 to 44 years:
380 
45 to 49 years:
312 
50 to 54 years:
258 
55 to 59 years:
168 
60 and 61 years:
57 
62 to 64 years:
108 
65 and 66 years:
49 
67 to 69 years:
76 
70 to 74 years:
171 
75 to 79 years:
161 
80 to 84 years:
88 
85 years and over:
71 

Average Household Size
Average household size:
2.19 

Families
Total:
2,446 

Average Family Size
Average family size:
2.77 

Housing Units
Total:
4,569 

Place of Work for Workers 16 Years and Over
Total:
5,540 
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Living in a place:
5,540 
Worked in place of residence:
1,810 
Worked outside place of residence:
3,730 

Travel Time to Work for Workers 16 Years and Over
Total:
5,540 
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Did not work at home:
5,477 
Less than 5 minutes:
253 
5 to 9 minutes:
1,093 
10 to 14 minutes:
1,443 
15 to 19 minutes:
947 
20 to 24 minutes:
635 
25 to 29 minutes:
314 
30 to 34 minutes:
379 
35 to 39 minutes:
37 
40 to 44 minutes:
25 
45 to 59 minutes:
93 
60 to 89 minutes:
172 
90 or more minutes:
86 
Worked at home:
63 

Travel Time to Work by Means of Transportation to Work for Workers 16Years and Over Who Did Not Work at Home
Total:
5,477 
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Less than 30 minutes:
4,685 
Public transportation:
66 
Other means:
4,619 
30 to 44 minutes:
441 
Public transportation:
67 
Other means:
374 
45 to 59 minutes:
93 
Public transportation:
16 
Other means:
77 
60 or more minutes:
258 
Public transportation:
Other means:
250 

Time Leaving Home to go to Work for Workers 16 Years and Over
Total:
5,540 
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Did not work at home:
5,477 
12:00 a.m. to 4:59 a.m.:
158 
5:00 a.m. to 5:29 a.m.:
155 
5:30 a.m. to 5:59 a.m.:
241 
6:00 a.m. to 6:29 a.m.:
527 
6:30 a.m. to 6:59 a.m.:
1,000 
7:00 a.m. to 7:29 a.m.:
743 
7:30 a.m. to 7:59 a.m.:
703 
8:00 a.m. to 8:29 a.m.:
488 
8:30 a.m. to 8:59 a.m.:
277 
9:00 a.m. to 9:59 a.m.:
160 
10:00 a.m. to 10:59 a.m.:
91 
11:00 a.m. to 11:59 a.m.:
60 
12:00 p.m. to 3:59 p.m.:
456 
4:00 p.m. to 11:59 p.m.:
418 
Worked at home:
63 

Private Vehicle Occupancy for Workers 16 Years and Over
Total:
5,540 
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Car, truck, or van:
4,686 
Drove alone:
4,018 
Carpooled:
668 
In 2-person carpool:
569 
In 3-person carpool:
37 
In 4-person carpool:
31 
In 5- or 6-person carpool:
25 
In 7-or-more-person carpool:
Other means (including those who worked at home):
854 

Sex by Educational Attainment for the Population 25 Years and Over
Total:
6,308 
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Male:
3,213 
No schooling completed:
14 
5th and 6th grade:
7th and 8th grade:
70 
9th grade:
78 
10th grade:
69 
11th grade:
48 
12th grade, no diploma:
73 
High school graduate (includes equivalency):
1,113 
Some college, less than 1 year:
315 
Some college, 1 or more years, no degree:
627 
Associate degree:
209 
Bachelor's degree:
337 
Master's degree:
180 
Professional school degree:
27 
Doctorate degree:
47 
Female:
3,095 
No schooling completed:
13 
5th and 6th grade:
21 
7th and 8th grade:
35 
9th grade:
85 
10th grade:
35 
11th grade:
88 
12th grade, no diploma:
29 
High school graduate (includes equivalency):
1,237 
Some college, less than 1 year:
316 
Some college, 1 or more years, no degree:
438 
Associate degree:
205 
Bachelor's degree:
402 
Master's degree:
145 
Professional school degree:
30 
Doctorate degree:
16 

Age by Total Disabilities Tallied for the Civilian Noninstitutionalized Population 5 Years and Over with Disabilities
Total disabilities tallied:
3,115 
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Total disabilities tallied for people 5 to 15 years:
139 
Sensory disability:
Physical disability:
18 
Mental disability:
103 
Self-care disability:
10 
Total disabilities tallied for people 16 to 64 years:
2,268 
Sensory disability:
164 
Physical disability:
457 
Mental disability:
269 
Self-care disability:
24 
Go-outside-home disability:
290 
Employment disability:
1,064 
Total disabilities tallied for people 65 years and over:
708 
Sensory disability:
155 
Physical disability:
255 
Mental disability:
56 
Self-care disability:
72 
Go-outside-home disability:
170 

Sex by Employment Status for the Population 16 Years and Over
Total:
7,988 
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Male:
4,268 
In labor force:
3,520 
In Armed Forces:
948 
Civilian:
2,572 
Employed:
2,408 
Unemployed:
164 
Not in labor force:
748 
Female:
3,720 
In labor force:
2,507 
In Armed Forces:
52 
Civilian:
2,455 
Employed:
2,298 
Unemployed:
157 
Not in labor force:
1,213 

Sex by Work Status in 1999 by Usual Hours Worked Per Week in 1999 by Weeks Worked in 1999 for the Population 16 Years and Over
Total:
7,988 
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Male:
4,268 
Worked in 1999:
3,633 
Usually worked 35 or more hours per week:
3,262 
50 to 52 weeks:
2,711 
48 and 49 weeks:
149 
40 to 47 weeks:
176 
27 to 39 weeks:
93 
14 to 26 weeks:
83 
1 to 13 weeks:
50 
Usually worked 15 to 34 hours per week:
302 
50 to 52 weeks:
99 
48 and 49 weeks:
14 
40 to 47 weeks:
51 
27 to 39 weeks:
37 
14 to 26 weeks:
44 
1 to 13 weeks:
57 
Usually worked 1 to 14 hours per week:
69 
50 to 52 weeks:
54 
27 to 39 weeks:
14 to 26 weeks:
1 to 13 weeks:
Did not work in 1999:
635 
Female:
3,720 
Worked in 1999:
2,728 
Usually worked 35 or more hours per week:
2,015 
50 to 52 weeks:
1,371 
48 and 49 weeks:
129 
40 to 47 weeks:
284 
27 to 39 weeks:
121 
14 to 26 weeks:
64 
1 to 13 weeks:
46 
Usually worked 15 to 34 hours per week:
641 
50 to 52 weeks:
210 
48 and 49 weeks:
56 
40 to 47 weeks:
43 
27 to 39 weeks:
111 
14 to 26 weeks:
161 
1 to 13 weeks:
60 
Usually worked 1 to 14 hours per week:
72 
50 to 52 weeks:
14 
40 to 47 weeks:
27 to 39 weeks:
17 
14 to 26 weeks:
21 
1 to 13 weeks:
11 
Did not work in 1999:
992 

Family Type by Number of Workers in Family in 1999
Total:
2,450 
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Married-couple family:
1,535 
No workers:
188 
1 worker:
286 
2 workers:
923 
Husband and wife worked:
898 
Other:
25 
3 or more workers:
138 
Husband and wife worked:
119 
Other:
19 
Other family:
915 
Male householder, no wife present:
224 
No workers:
13 
1 worker:
159 
2 workers:
52 
Female householder, no husband present:
691 
No workers:
20 
1 worker:
571 
2 workers:
96 
3 or more workers:

Household Income in 1999
Total:
4,246 
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Less than $10,000:
317 
$10,000 to $14,999:
285 
$15,000 to $19,999:
178 
$20,000 to $24,999:
250 
$25,000 to $29,999:
404 
$30,000 to $34,999:
356 
$35,000 to $39,999:
293 
$40,000 to $44,999:
319 
$45,000 to $49,999:
197 
$50,000 to $59,999:
427 
$60,000 to $74,999:
490 
$75,000 to $99,999:
391 
$100,000 to $124,999:
234 
$125,000 to $149,999:
54 
$150,000 to $199,999:
21 
$200,000 or more:
30 

Age of Householder by Household Income in 1999
Total:
4,246 
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Householder under 25 years:
390 
Less than $10,000:
95 
$10,000 to $14,999:
46 
$15,000 to $19,999:
29 
$20,000 to $24,999:
27 
$25,000 to $29,999:
69 
$30,000 to $34,999:
58 
$35,000 to $39,999:
11 
$45,000 to $49,999:
20 
$50,000 to $59,999:
13 
$60,000 to $74,999:
10 
$75,000 to $99,999:
12 
Householder 25 to 34 years:
970 
Less than $10,000:
17 
$10,000 to $14,999:
73 
$15,000 to $19,999:
72 
$20,000 to $24,999:
78 
$25,000 to $29,999:
124 
$30,000 to $34,999:
80 
$35,000 to $39,999:
117 
$40,000 to $44,999:
109 
$45,000 to $49,999:
31 
$50,000 to $59,999:
88 
$60,000 to $74,999:
103 
$75,000 to $99,999:
47 
$100,000 to $124,999:
22 
$125,000 to $149,999:
Householder 35 to 44 years:
1,011 
Less than $10,000:
46 
$10,000 to $14,999:
68 
$15,000 to $19,999:
$20,000 to $24,999:
33 
$25,000 to $29,999:
82 
$30,000 to $34,999:
82 
$35,000 to $39,999:
69 
$40,000 to $44,999:
96 
$45,000 to $49,999:
55 
$50,000 to $59,999:
127 
$60,000 to $74,999:
129 
$75,000 to $99,999:
135 
$100,000 to $124,999:
64 
$125,000 to $149,999:
$150,000 to $199,999:
10 
Householder 45 to 54 years:
733 
Less than $10,000:
33 
$10,000 to $14,999:
44 
$15,000 to $19,999:
$20,000 to $24,999:
22 
$25,000 to $29,999:
12 
$30,000 to $34,999:
50 
$35,000 to $39,999:
20 
$40,000 to $44,999:
48 
$45,000 to $49,999:
32 
$50,000 to $59,999:
121 
$60,000 to $74,999:
124 
$75,000 to $99,999:
89 
$100,000 to $124,999:
102 
$125,000 to $149,999:
33 
Householder 55 to 64 years:
465 
Less than $10,000:
61 
$10,000 to $14,999:
$20,000 to $24,999:
30 
$25,000 to $29,999:
32 
$30,000 to $34,999:
38 
$35,000 to $39,999:
35 
$40,000 to $44,999:
42 
$45,000 to $49,999:
22 
$50,000 to $59,999:
29 
$60,000 to $74,999:
68 
$75,000 to $99,999:
54 
$100,000 to $124,999:
34 
$125,000 to $149,999:
$150,000 to $199,999:
$200,000 or more:
Householder 65 to 74 years:
303 
Less than $10,000:
34 
$10,000 to $14,999:
$15,000 to $19,999:
26 
$20,000 to $24,999:
34 
$25,000 to $29,999:
44 
$30,000 to $34,999:
25 
$35,000 to $39,999:
12 
$40,000 to $44,999:
$45,000 to $49,999:
21 
$50,000 to $59,999:
25 
$60,000 to $74,999:
24 
$75,000 to $99,999:
24 
$100,000 to $124,999:
12 
$200,000 or more:
10 
Householder 75 years and over:
374 
Less than $10,000:
31 
$10,000 to $14,999:
43 
$15,000 to $19,999:
40 
$20,000 to $24,999:
26 
$25,000 to $29,999:
41 
$30,000 to $34,999:
23 
$35,000 to $39,999:
29 
$40,000 to $44,999:
17 
$45,000 to $49,999:
16 
$50,000 to $59,999:
24 
$60,000 to $74,999:
32 
$75,000 to $99,999:
30 
$150,000 to $199,999:
$200,000 or more:
16 

Family Income in 1999
Total:
2,450 
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Less than $10,000:
138 
$10,000 to $14,999:
232 
$15,000 to $19,999:
102 
$20,000 to $24,999:
138 
$25,000 to $29,999:
180 
$30,000 to $34,999:
171 
$35,000 to $39,999:
152 
$40,000 to $44,999:
133 
$45,000 to $49,999:
113 
$50,000 to $59,999:
235 
$60,000 to $74,999:
302 
$75,000 to $99,999:
281 
$100,000 to $124,999:
183 
$125,000 to $149,999:
58 
$150,000 to $199,999:
17 
$200,000 or more:
15 

Sex by Earnings in 1999 for the Population 16 Years and Over with Earnings
Total:
6,361 
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Male:
3,633 
$1 to $2,499 or loss:
70 
$2,500 to $4,999:
61 
$5,000 to $7,499:
80 
$7,500 to $9,999:
84 
$10,000 to $12,499:
179 
$12,500 to $14,999:
225 
$15,000 to $17,499:
265 
$17,500 to $19,999:
228 
$20,000 to $22,499:
214 
$22,500 to $24,999:
147 
$25,000 to $29,999:
350 
$30,000 to $34,999:
279 
$35,000 to $39,999:
299 
$40,000 to $44,999:
317 
$45,000 to $49,999:
137 
$50,000 to $54,999:
229 
$55,000 to $64,999:
167 
$65,000 to $74,999:
164 
$75,000 to $99,999:
89 
$100,000 or more:
49 
Female:
2,728 
$1 to $2,499 or loss:
214 
$2,500 to $4,999:
87 
$5,000 to $7,499:
161 
$7,500 to $9,999:
151 
$10,000 to $12,499:
183 
$12,500 to $14,999:
139 
$15,000 to $17,499:
199 
$17,500 to $19,999:
108 
$20,000 to $22,499:
343 
$22,500 to $24,999:
96 
$25,000 to $29,999:
271 
$30,000 to $34,999:
228 
$35,000 to $39,999:
164 
$40,000 to $44,999:
95 
$45,000 to $49,999:
97 
$50,000 to $54,999:
59 
$55,000 to $64,999:
54 
$65,000 to $74,999:
39 
$75,000 to $99,999:
31 
$100,000 or more:

Poverty Status in 1999 by Age
Total:
9,310 
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Income in 1999 below poverty level:
923 
Under 5 years:
272 
6 to 11 years:
48 
12 to 17 years:
65 
18 to 64 years:
480 
65 to 74 years:
42 
75 years and over:
16 
Income in 1999 at or above poverty level:
8,387 
Under 5 years:
542 
5 years:
83 
6 to 11 years:
670 
12 to 17 years:
589 
18 to 64 years:
5,561 
65 to 74 years:
441 
75 years and over:
501 

Poverty Status in 1999 by Age by Household Type
Total:
9,310 
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Income in 1999 below poverty level:
923 
Under 65 years:
865 
In married-couple families:
101 
In other families:
587 
Male householder, no wife present:
64 
Female householder, no husband present:
523 
Unrelated individuals:
177 
65 to 74 years:
42 
Unrelated individuals:
42 
75 years and over:
16 
Unrelated individuals:
16 
Income in 1999 at or above poverty level:
8,387 
Under 65 years:
7,445 
In married-couple families:
4,065 
In other families:
1,668 
Male householder, no wife present:
506 
Female householder, no husband present:
1,162