Grant County, SD ZIP Codes
South Dakota (SD) · 8 ZIP codes · 8 cities
8
ZIP codes
7,519
population (2021)
+2.2%
pop change since 2010
46051
FIPS code
Grant County ZIP code map
About Grant County
Grant County is located in South Dakota and contains 8 ZIP codes across 8 cities and communities.
The county's population was 7,519 as of 2021,
an increase of
2.2% from 7,356 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Grant County is 46051.
| Population | |
|---|---|
| 2021 population | 7,519 |
| 2010 population | 7,356 |
| Change | +2.2% |
| County details | |
|---|---|
| State | South Dakota |
| FIPS code | 46051 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Grant County
ZIP codes for Grant County, SD (8)
| ZIP code | City | County | Map |
|---|---|---|---|
| 57216 | Big Stone City | Grant | View map |
| 57246 | Labolt | Grant | View map |
| 57251 | Marvin | Grant | View map |
| 57252 | Milbank | Grant | View map |
| 57259 | Revillo | Grant | View map |
| 57264 | Stockholm | Grant | View map |
| 57265 | Strandburg | Grant | View map |
| 57269 | Twin Brooks | Grant | View map |
Demographics & statistics
8,400
Population
44.1
Median age
$69,431
Median household income
$38,367
Per capita income
$130,456
Median home value
$374
Median monthly rent
83.7%
Home ownership
11.7%
Poverty rate
2.8%
Unemployment
3,333
Housing units
17.1%
Bachelor's or higher
Age distribution
Male
Female
269
Under 5
205
290
5–9
221
263
10–14
199
303
15–19
230
289
20–24
220
510
25–34
387
472
35–44
359
518
45–54
394
321
55–59
244
421
60–64
320
595
65–74
451
382
75–84
290
140
85+
107
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,794 | 22.6% |
| 18 and over | 6,606 | 77.4% |
| 65 and over | 1,965 | 21.1% |
| Median age | 44.1 years | |
Race & ethnicity
White
89.5%
Hispanic or Latino
3.5%
Other race
3%
Two or more races
2.1%
American Indian / Alaska Native
1.3%
Asian
0.5%
Black or African American
0.2%
| Group | Count | % |
|---|---|---|
| White | 7,784 | 89.5% |
| Hispanic or Latino | 301 | 3.5% |
| Other race | 258 | 3% |
| Two or more races | 184 | 2.1% |
| American Indian / Alaska Native | 111 | 1.3% |
| Asian | 46 | 0.5% |
| Black or African American | 17 | 0.2% |
Household income
Under $10k
3.2%
$10k–$15k
1.9%
$15k–$25k
5.3%
$25k–$35k
6.8%
$35k–$50k
12.7%
$50k–$75k
21.0%
$75k–$100k
21.6%
$100k–$150k
17.6%
$150k–$200k
3.1%
$200k+
6.8%
| Range | % of households |
|---|---|
| Under $10k | 3.2% |
| $10k–$15k | 1.9% |
| $15k–$25k | 5.3% |
| $25k–$35k | 6.8% |
| $35k–$50k | 12.7% |
| $50k–$75k | 21.0% |
| $75k–$100k | 21.6% |
| $100k–$150k | 17.6% |
| $150k–$200k | 3.1% |
| $200k+ | 6.8% |
| Median income | $69,431 |
Housing
Home values
Under $50k
16.7%
$50k–$100k
21.8%
$100k–$150k
14.5%
$150k–$200k
11.7%
$200k–$300k
15.8%
$300k–$500k
12.5%
$500k–$1M
5.5%
$1M+
1.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $130,456 |
| Median rent / month | $374 |
| Owner occupied | 83.7% |
| Renter occupied | 16.3% |
| Vacant | 15.2% |
| Single-family detached | 81.8% |
| Large apartment buildings | 0.0% |
| Mobile homes | 10.5% |
| Median rooms | 6.5 |
| Avg household size (owned) | 2.40 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 7.2% |
| 2000–2009 | 9.5% |
| 1990–1999 | 10.6% |
| 1980–1989 | 7.1% |
| 1970–1979 | 11.8% |
| 1960–1969 | 6.6% |
| 1950–1959 | 8.4% |
| 1940–1949 | 7.0% |
| 1939 or earlier | 31.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.6% |
| 1 bedroom | 4.9% |
| 2 bedrooms | 24.1% |
| 3 bedrooms | 38.6% |
| 4 bedrooms | 23.9% |
| 5+ bedrooms | 7.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.2% |
| 1 vehicle | 16.4% |
| 2 vehicles | 35.0% |
| 3 or more | 45.4% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 18.5% |
| Electricity | 27.8% |
| Propane / LP gas | 39.8% |
| Fuel oil | 7.1% |
| Wood | 5.2% |
| No fuel used | 0.3% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 2,117 | 60.0% |
| Cohabiting couple | 118 | 5.0% |
| Male householder, no spouse | 431 | 16.3% |
| Female householder, no spouse | 733 | 18.7% |
| Households with children under 18 | 856 | 24.1% |
| Households with seniors (65+) | 1,258 | 34.5% |
| Average household size | 2.45 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.5% | 20.8% |
| Married | 58.8% | 59.7% |
| Separated | 0.5% | 0.3% |
| Widowed | 1.5% | 11.9% |
| Divorced | 6.5% | 7.2% |
Education
Less than 9th grade
5.3%
Some HS, no diploma
4.5%
HS graduate
38.1%
Some college, no degree
19.4%
Associate's degree
15.5%
Bachelor's degree
11.6%
Graduate / professional
5.6%
| Metric | % |
|---|---|
| HS diploma or higher | 90.2% |
| Bachelor's or higher | 17.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 70 | 4.0% |
| Kindergarten | 51 | 4.4% |
| Elementary school | 827 | 43.1% |
| High school | 458 | 36.0% |
| College / grad school | 120 | 12.5% |
Employment
Industry of employment
Agriculture & mining
20.1%
Education & healthcare
17.5%
Manufacturing
12.6%
Arts, food & hospitality
11.3%
Construction
8.9%
Retail trade
6.3%
Transportation & utilities
5.8%
Finance & real estate
4.6%
Other services
3.8%
Professional & management
2.8%
Wholesale trade
2.8%
Public administration
2.1%
Information
1.4%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 38.3% |
| Service | 16.6% |
| Sales & office | 15.7% |
| Natural resources & construction | 14.6% |
| Production & transportation | 14.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 73.1% |
| Government | 11.5% |
| Self-employed | 15.2% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 76.6% |
| Carpool | 6.9% |
| Public transit | 0.1% |
| Walk | 3.5% |
| Other means | 0.3% |
| Avg commute (minutes) | 23.7 |
Poverty
All people
11.7%
Under 18 years
15.5%
18 and over
10.7%
Married-couple families
3.8%
Female-led households
11.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.6% |
| Retirement income | 23.3% |
| Supplemental Security | 1.7% |
| Cash public assistance | 2.1% |
| Food stamps / SNAP | 5.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 33.2% |
| High cholesterol | 32.3% |
| Heart disease | 7.7% |
| Stroke | 3.4% |
| Asthma | 8.7% |
| Arthritis | 26.4% |
| Kidney disease | 3.1% |
| Pulmonary disease | 6.7% |
| Cancer | 7.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 19.1% |
| No physical activity | 25.4% |
| Less than 7 hrs sleep | 27.9% |
| Fair or poor health | 12.1% |
| Poor mental health | 10.4% |
| Poor physical health | 9.5% |
| No health insurance | 12.2% |
| Visited doctor (checkup) | 76.1% |
| Visited dentist | 67.7% |
| Cholesterol screening | 89.7% |
| Teeth loss | 14.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 424 | 5.7% |
| Disability | % |
|---|---|
| Any disability | 12.9% |
| Under 18 | 4.4% |
| 18–64 years | 9.8% |
| 65 and over | 29.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 71.9% |
| Public insurance | 32.2% |
| Uninsured under 19 | 4.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,926 | 93.5% |
| Spanish | 321 | 5.7% |
| Other Indo-European | 206 | 0.6% |
| Asian & Pacific Islander | 60 | 2.3% |
| Other languages | 49 | 2.9% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 8,080 | 96.4% |
| Born in same state | 8,074 | 96.4% |
| Born in different state | 4,531 | 63.2% |
| Foreign born | 6 | 0.1% |
| Naturalized citizen | 320 | 3.6% |
| Not a US citizen | 80 | 24.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 1,092 | 13% |
| Italian | 573 | 6.8% |
| English | 421 | 5% |
| Arab | 366 | 4.4% |
| Ancestry | Count | % |
|---|---|---|
| French | 330 | 3.9% |
| Dutch | 73 | 0.9% |
| German | 3 | 0% |
| Norwegian | 1 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.2% |
| Internet access | 90.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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