US ZIP Codes → Cities by ZIP Code → 57751

ZIP Code 57751

ZIP Code	57751
City	KEYSTONE
State	SD
Type	STANDARD
Post offices count	1 (see all)
Total population	963 (see all)

Cities in ZIP Code 57751

Primary city: KEYSTONE, SD

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Census data for ZIP Code 57751

Demographic and housing estimates in ZIP Code 57751

Total population
Total population	963
Male	473
Female	490

Population by age
Total population	963
Under 5 years	47
5 to 9 years	52
10 to 14 years	36
15 to 19 years	39
20 to 24 years	69
25 to 34 years	91
35 to 44 years	105
45 to 54 years	109
55 to 59 years	101
60 to 64 years	97
65 to 74 years	162
75 to 84 years	40
85 years and over	15
Median age (years)	52.0
Under 18 years	171
16 years and over	803
18 years and over	792
21 years and over	779
62 years and over	273
65 years and over	217

Population by race
Total population	963
One race	927
White	894
Black or African American	0
American Indian and Alaska Native	8
Asian	21
Native Hawaiian and Other Pacific Islander	0
Some other race	4
Two or more races	36

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	738
Male Citizen, VOTING AGE 18 and over population	366
Female Citizen, VOTING AGE 18 and over population	372

Social characteristics in ZIP Code 57751

Households by type
Total households	357
Family households (families)	247
Married-couple family	24
Male householder, no wife present, family	41
Female householder, no husband present, family	24
Nonfamily households	45
Average household size	135
Average family size	2.63

Economic characteristics in ZIP Code 57751

Income and benefits (in 2021 inflation-adjusted dollars)
Total households	357
Less than $10,000	0
$10,000 to $14,999	17
$15,000 to $24,999	17
$25,000 to $34,999	29
$35,000 to $49,999	53
$50,000 to $74,999	60
$75,000 to $99,999	31
$100,000 to $149,999	90
$150,000 to $199,999	41
$200,000 or more	19
Median household income (dollars)	75,893

Housing characteristics in ZIP Code 57751

Housing occupancy
Total housing units	474
Occupied housing units	357
Vacant housing units	117

Units in structure
Total housing units	474
1-unit, detached	292
1-unit, attached	31
2 units	28
3 or 4 units	17
5 to 9 units	19
10 to 19 units	0
20 or more units	0
Mobile home	87
Boat, RV, van, etc.	0

Year structure built
Total housing units	474
Built 2014 or later	0
Built 2010 to 2013	27
Built 2000 to 2009	110
Built 1990 to 1999	50
Built 1980 to 1989	78
Built 1970 to 1979	87
Built 1960 to 1969	21
Built 1950 to 1959	34
Built 1940 to 1949	7
Built 1939 or earlier	60

Rooms
Total housing units	474
1 room	5
2 rooms	40
3 rooms	39
4 rooms	126
5 rooms	52
6 rooms	72
7 rooms	62
8 rooms	20
9 rooms or more	58
Median rooms	5.0

Bedrooms
Total housing units	474
No bedroom	5
1 bedroom	92
2 bedrooms	148
3 bedrooms	134
4 bedrooms	80
5 or more bedrooms	15

Housing tenure
Occupied housing units	357
Owner-occupied	291
Renter-occupied	66
Average household size of owner-occupied unit	2.66
Average household size of renter-occupied unit	2.50

Year householder moved into unit
Occupied housing units	357
Moved in 2017 or later	19
Moved in 2015 to 2016	96
Moved in 2010 to 2014	72
Moved in 2000 to 2009	73
Moved in 1990 to 1999	76
Moved in 1989 and earlier	21

Value
Owner-occupied units	291
Less than $50,000	37
$50,000 to $99,999	9
$100,000 to $149,999	16
$150,000 to $199,999	22
$200,000 to $299,999	122
$300,000 to $499,999	36
$500,000 to $999,999	37
$1,000,000 or more	12
Median (dollars)	265,200

Mortgage status
Owner-occupied units	291
Housing units with a mortgage	173
Housing units without a mortgage	118

Gross rent
Occupied units paying rent	49
Less than $500	25
$500 to $999	14
$1,000 to $1,499	10
$1,500 to $1,999	0
$2,000 to $2,499	0
$2,500 to $2,999	0
$3,000 or more	0
Median (dollars)	446
No rent paid	17

Data is based on 2021 Census

Other ZIP Codes

57747 57748 577505775157752 57754 57755

ZIP Code 57751

Cities in ZIP Code 57751

Post offices

KEYSTONE — Post Office™

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Map

Census data for ZIP Code 57751

Demographic and housing estimates in ZIP Code 57751

Social characteristics in ZIP Code 57751

Economic characteristics in ZIP Code 57751

Housing characteristics in ZIP Code 57751

Other ZIP Codes