06870 Zip Code

April 18, 2024

Zip Code: 06870
City/Town: Old Greenwich
State: Connecticut
Population: 7,316
Per Capita Income: $87,301
Mean Household Income: $223,312
Total Housing Units: 2,607
Median Home Value: $705,800
Median Year Homes Built: 1953
Land Area: 2.3 sq miles
5.9 sq kilometers
Water Area: 1.5 sq miles
3.9 sq kilometers
   
Population Information (06870 zip code)
Number/Percent/U.S. Avg
Percent
U.S. Avg
Total Population:
7,316
--
--
  Male:
3,503
47.9%
49.2%
  Female:
3,813
52.1%
50.8%
Median Age:
41.1 yrs
--
37.2 yrs
Under 5 years:
549
7.5%
6.5%
5 to 9 years:
730
6.4%
6.6%
10 to 19 years:
1,186
16.2%
13.8%
20 to 29 years:
312
4.3%
13.8%
30 to 39 years:
738
10.1%
13.0%
40 to 49 years:
1,409
19.3%
14.2%
50 to 59 years:
1,099
15.0%
13.6%
60 to 69 years:
637
8.7%
9.4%
70 to 79 years:
397
5.4%
5.4%
80 years and over:
259
3.5%
3.7%

Housing Information (06870 zip code)

 
Number/Percent/U.S. Avg
Percent
U.S. Avg
Median home value:
$705,800
--
$119,600
Median year homes build:
1953
--
1971
Median real estate taxes:
$5,132 / yr.
--
$1,334 / yr.
Median rent:
$1,694 / mo.
--
$519 / mo.
 
 
 
 
Total households:
2,607
--
--
    Family households:
1,960
75.2%
66.4%
    Nonfamily households:
647
24.8%
33.6%
Households with individuals under 18 years:
1,179
45.2%
33.4%
Households with individuals 65 years and over:
684
26.2%
24.9%
Average household size:
2.8
--
--
Average family size:
3.3
--
--
 
 
 
 
Total housing units:
2,802
--
--
    Occupied housing units:
2,607
93.0%
88.6%
    Vacant housing units:
195
7.0%
11.4%
        For rent:
39
1.4%
3.1%
        Rented, not occupied:
11
0.4%
0.2%
        For sale only:
41
1.5%
1.4%
        Sold, not occupied:
12
0.4%
0.3%
        For seasonal, recreational, or occasional use:
57
2.0%
3.5%
        All other vacants:
35
1.2%
2.8%
 
 
 
 
Homeowner vacancy rate:
--
1.9%
2.4%
Rental vacancy rate:
--
7.5%
9.2%
 
 
 
 
Owner-occupied housing units:
2,138
--
--
    Population in owner-occupied housing units:
6,044
--
--
    Average household size of owner-occupied units:
2.8
--
2.65
Renter-occupied housing units:
469
--
--
    Population in renter-occupied housing units:
1,261
--
--
    Average household size of renter-occupied units:
2.7
--
2.44

Educational Attainment (06870 zip code)

 
Number/Percent/U.S. Avg
Percent
U.S. Avg
Population 25 years and over
4,833
--
--
    Less than 9th grade:
18
0.4%
6.2%
    9th to 12th grade, no diploma:
125
2.6%
8.7%
    High school graduate (includes equivalency):
538
11.1%
29.0%
    Some college, no degree:
428
8.9%
20.6%
    Associate degree:
242
5.0%
7.5%
    Bachelor's degree:
1,782
36.9%
17.6%
    Graduate or professional degree:
1,700
35.2%
10.3%
    Percent high school graduate or higher:
--
97.0%
85.0%
    Percent bachelor's degree or higher:
--
72.0%
27.9%

Income Information (06870 zip code)

 
Number/Percent/U.S. Avg
Percent
U.S. Avg
Mean household income:
$0 / yr.
--
$70,883
Per capita income:
$0 / yr.
--
$27,334
Males 15 years and over with income:
2,373
32.4%
50.4%
    Median income:
$97,674 / yr.
--
$27,932 / yr.
    Full-time, year-round workers:
1,531
20.9%
59.7%
        Median income:
$100,001 / yr.
--
$38,349 / yr.
Females 15 years and over with income:
2,186
29.9%
49.6%
    Median income:
$30,704 / yr.
--
$16,327 / yr.
    Full-time, year-round workers:
750
10.3%
40.3%
        Median income:
$60,000 / yr.
--
$28,135 / yr.
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