Main / ZIP Codes / 57445

ZIP Code 57445 demographics

Cities: 1

Total housing units: 836

Population: 1,811

ZIP Code 57445 location, demographics, population, home values, social and economic characteristics.

ZIP Code 57445 Location

The list below contains cities and counties that use ZIP Code 57445.

57445 state: South Dakota
57445 county: Brown County
57445 city: Groton city

ZIP Code 57445 population: 1,811

Population

Year	Population
2021	1,811
2020	2,063
2019	1,940
2018	1,985
2017	2,282
2016	2,322
2015	2,219
2014	2,227
2013	2,185
2012	2,080
2011	2,120

Census data for ZIP Code 57445

Demographic and housing estimates in ZIP Code 57445

Total population
Total population	1,811
Male	931
Female	880

Population by age
Total population	1,811
Under 5 years	88
5 to 9 years	96
10 to 14 years	206
15 to 19 years	119
20 to 24 years	57
25 to 34 years	305
35 to 44 years	179
45 to 54 years	222
55 to 59 years	133
60 to 64 years	85
65 to 74 years	179
75 to 84 years	77
85 years and over	65
Median age (years)	35.8
Under 18 years	490
16 years and over	1,396
18 years and over	1,321
21 years and over	1,298
62 years and over	359
65 years and over	321

Population by race
Total population	1,811
One race	1,776
White	1,763
Black or African American	0
American Indian and Alaska Native	0
Asian	0
Native Hawaiian and Other Pacific Islander	0
Some other race	13
Two or more races	35

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	1,301
Male Citizen, VOTING AGE 18 and over population	659
Female Citizen, VOTING AGE 18 and over population	642

Social characteristics in ZIP Code 57445

Households by type
Total households	728
Family households (families)	366
Married-couple family	43
Male householder, no wife present, family	171
Female householder, no husband present, family	126
Nonfamily households	148
Average household size	198
Average family size	2.43

Economic characteristics in ZIP Code 57445

Income and benefits (in inflation-adjusted dollars)
Total households	728
Less than $10,000	21
$10,000 to $14,999	24
$15,000 to $24,999	50
$25,000 to $34,999	58
$35,000 to $49,999	127
$50,000 to $74,999	102
$75,000 to $99,999	101
$100,000 to $149,999	178
$150,000 to $199,999	37
$200,000 or more	30
Median household income (dollars)	69,821

Housing characteristics in ZIP Code 57445

Housing occupancy
Total housing units	836
Occupied housing units	728
Vacant housing units	108

Units in structure
Total housing units	836
1-unit, detached	569
1-unit, attached	25
2 units	24
3 or 4 units	54
5 to 9 units	43
10 to 19 units	20
20 or more units	8
Mobile home	93
Boat, RV, van, etc.	0

Year structure built
Total housing units	836
Built 2014 or later	0
Built 2010 to 2013	76
Built 2000 to 2009	129
Built 1990 to 1999	82
Built 1980 to 1989	49
Built 1970 to 1979	154
Built 1960 to 1969	38
Built 1950 to 1959	43
Built 1940 to 1949	40
Built 1939 or earlier	225

Rooms
Total housing units	836
1 room	9
2 rooms	7
3 rooms	68
4 rooms	140
5 rooms	92
6 rooms	126
7 rooms	132
8 rooms	117
9 rooms or more	145
Median rooms	6.3

Bedrooms
Total housing units	836
No bedroom	9
1 bedroom	26
2 bedrooms	243
3 bedrooms	244
4 bedrooms	238
5 or more bedrooms	76

Housing tenure
Occupied housing units	728
Owner-occupied	554
Renter-occupied	174
Average household size of owner-occupied unit	2.69
Average household size of renter-occupied unit	1.61

Year householder moved into unit
Occupied housing units	728
Moved in 2017 or later	76
Moved in 2015 to 2016	128
Moved in 2010 to 2014	211
Moved in 2000 to 2009	121
Moved in 1990 to 1999	92
Moved in 1989 and earlier	100

Value
Owner-occupied units	554
Less than $50,000	37
$50,000 to $99,999	114
$100,000 to $149,999	115
$150,000 to $199,999	73
$200,000 to $299,999	155
$300,000 to $499,999	54
$500,000 to $999,999	6
$1,000,000 or more	0
Median (dollars)	153,800

Mortgage status
Owner-occupied units	554
Housing units with a mortgage	317
Housing units without a mortgage	237

Gross rent
Occupied units paying rent	165
Less than $500	7
$500 to $999	123
$1,000 to $1,499	31
$1,500 to $1,999	4
$2,000 to $2,499	0
$2,500 to $2,999	0
$3,000 or more	0
Median (dollars)	831
No rent paid	9

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