Union County, SD ZIP Codes
South Dakota (SD) · 5 ZIP codes · 5 cities
5
ZIP codes
16,872
population (2021)
+17.2%
pop change since 2010
46127
FIPS code
Union County ZIP code map
About Union County
Union County is located in South Dakota and contains 5 ZIP codes across 5 cities and communities.
The county's population was 16,872 as of 2021,
an increase of
17.2% from 14,399 in 2010.
The timezone is Mountain Time (observes DST).
The Federal Information Processing System (FIPS) code for Union County is 46127.
| Population | |
|---|---|
| 2021 population | 16,872 |
| 2010 population | 14,399 |
| Change | +17.2% |
| County details | |
|---|---|
| State | South Dakota |
| FIPS code | 46127 |
| Timezone | Mountain |
| Daylight saving | Yes |
Cities in Union County
ZIP codes for Union County, SD (5)
| ZIP code | City | County | Map |
|---|---|---|---|
| 57001 | Alcester | Union | View map |
| 57004 | Beresford | Union | View map |
| 57025 | Elk Point | Union | View map |
| 57038 | Jefferson | Union | View map |
| 57049 | North Sioux City | Union | View map |
Demographics & statistics
17,809
Population
39.2
Median age
$82,398
Median household income
$46,249
Per capita income
$250,340
Median home value
$828
Median monthly rent
77.2%
Home ownership
6.7%
Poverty rate
3.2%
Unemployment
5,506
Housing units
31.1%
Bachelor's or higher
Age distribution
Male
Female
527
Under 5
502
651
5–9
621
710
10–14
678
606
15–19
577
435
20–24
415
1,177
25–34
1,123
1,161
35–44
1,108
962
45–54
917
585
55–59
557
594
60–64
566
1,067
65–74
1,018
417
75–84
398
224
85+
213
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 4,432 | 24.7% |
| 18 and over | 13,377 | 75.3% |
| 65 and over | 3,337 | 20.4% |
| Median age | 39.2 years | |
Race & ethnicity
White
88.4%
Two or more races
4.4%
Hispanic or Latino
3.3%
Asian
1.6%
American Indian / Alaska Native
1%
Other race
0.9%
Black or African American
0.4%
| Group | Count | % |
|---|---|---|
| White | 16,282 | 88.4% |
| Two or more races | 808 | 4.4% |
| Hispanic or Latino | 607 | 3.3% |
| Asian | 290 | 1.6% |
| American Indian / Alaska Native | 181 | 1% |
| Other race | 168 | 0.9% |
| Black or African American | 71 | 0.4% |
Household income
Under $10k
3.8%
$10k–$15k
1.9%
$15k–$25k
6.0%
$25k–$35k
5.8%
$35k–$50k
11.8%
$50k–$75k
18.0%
$75k–$100k
13.7%
$100k–$150k
18.9%
$150k–$200k
8.6%
$200k+
11.4%
| Range | % of households |
|---|---|
| Under $10k | 3.8% |
| $10k–$15k | 1.9% |
| $15k–$25k | 6.0% |
| $25k–$35k | 5.8% |
| $35k–$50k | 11.8% |
| $50k–$75k | 18.0% |
| $75k–$100k | 13.7% |
| $100k–$150k | 18.9% |
| $150k–$200k | 8.6% |
| $200k+ | 11.4% |
| Median income | $82,398 |
Housing
Home values
Under $50k
5.0%
$50k–$100k
8.3%
$100k–$150k
14.5%
$150k–$200k
14.3%
$200k–$300k
25.4%
$300k–$500k
24.3%
$500k–$1M
7.7%
$1M+
0.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $250,340 |
| Median rent / month | $828 |
| Owner occupied | 77.2% |
| Renter occupied | 22.8% |
| Vacant | 4.3% |
| Single-family detached | 79.9% |
| Large apartment buildings | 4.4% |
| Mobile homes | 4.2% |
| Median rooms | 6.6 |
| Avg household size (owned) | 2.56 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 9.5% |
| 2000–2009 | 13.4% |
| 1990–1999 | 15.7% |
| 1980–1989 | 5.3% |
| 1970–1979 | 18.0% |
| 1960–1969 | 4.7% |
| 1950–1959 | 6.2% |
| 1940–1949 | 2.9% |
| 1939 or earlier | 24.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.5% |
| 1 bedroom | 5.4% |
| 2 bedrooms | 22.3% |
| 3 bedrooms | 36.5% |
| 4 bedrooms | 23.8% |
| 5+ bedrooms | 11.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.8% |
| 1 vehicle | 21.3% |
| 2 vehicles | 35.1% |
| 3 or more | 40.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 42.8% |
| Electricity | 37.0% |
| Propane / LP gas | 15.4% |
| Fuel oil | 1.1% |
| Wood | 0.4% |
| No fuel used | 0.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,173 | 57.7% |
| Cohabiting couple | 601 | 8.1% |
| Male householder, no spouse | 1,211 | 18.1% |
| Female householder, no spouse | 1,291 | 16.1% |
| Households with children under 18 | 2,165 | 28.7% |
| Households with seniors (65+) | 2,186 | 32.5% |
| Average household size | 2.42 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 27.0% | 18.6% |
| Married | 57.7% | 62.5% |
| Separated | 1.3% | 0.7% |
| Widowed | 1.8% | 8.5% |
| Divorced | 12.2% | 9.7% |
Education
Less than 9th grade
2.8%
Some HS, no diploma
4.4%
HS graduate
28.4%
Some college, no degree
19.7%
Associate's degree
13.5%
Bachelor's degree
19.7%
Graduate / professional
11.3%
| Metric | % |
|---|---|
| HS diploma or higher | 92.8% |
| Bachelor's or higher | 31.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 272 | 9.9% |
| Kindergarten | 151 | 3.3% |
| Elementary school | 2,245 | 54.8% |
| High school | 898 | 20.3% |
| College / grad school | 581 | 11.8% |
Employment
Industry of employment
Education & healthcare
22.3%
Manufacturing
14.4%
Retail trade
10.6%
Construction
9.1%
Finance & real estate
8.5%
Agriculture & mining
8.4%
Transportation & utilities
5.9%
Professional & management
5.8%
Arts, food & hospitality
4.8%
Wholesale trade
3.5%
Other services
2.9%
Public administration
2.5%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 37.6% |
| Service | 11.9% |
| Sales & office | 21.0% |
| Natural resources & construction | 12.9% |
| Production & transportation | 16.5% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.4% |
| Government | 10.3% |
| Self-employed | 10.2% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.6% |
| Carpool | 7.0% |
| Public transit | 0.0% |
| Walk | 1.5% |
| Other means | 2.8% |
| Avg commute (minutes) | 21.2 |
Poverty
All people
6.7%
Under 18 years
7.5%
18 and over
6.5%
Married-couple families
2.1%
Female-led households
40.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 32.0% |
| Retirement income | 21.0% |
| Supplemental Security | 2.1% |
| Cash public assistance | 1.2% |
| Food stamps / SNAP | 5.2% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 30.3% |
| High cholesterol | 31.4% |
| Heart disease | 6.6% |
| Stroke | 2.9% |
| Asthma | 8.5% |
| Arthritis | 24.4% |
| Kidney disease | 2.8% |
| Pulmonary disease | 5.6% |
| Cancer | 7.4% |
| Behavior / access | % |
|---|---|
| Binge drinking | 20.7% |
| No physical activity | 21.7% |
| Less than 7 hrs sleep | 28.1% |
| Fair or poor health | 10.5% |
| Poor mental health | 10.2% |
| Poor physical health | 8.2% |
| No health insurance | 10.9% |
| Visited doctor (checkup) | 75.6% |
| Visited dentist | 70.1% |
| Cholesterol screening | 89.8% |
| Teeth loss | 12.6% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,128 | 8.8% |
| Disability | % |
|---|---|
| Any disability | 12.2% |
| Under 18 | 11.2% |
| 18–64 years | 7.3% |
| 65 and over | 28.5% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 78.1% |
| Public insurance | 29.6% |
| Uninsured under 19 | 5.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 16,780 | 93.9% |
| Spanish | 288 | 1.4% |
| Other Indo-European | 147 | 0.9% |
| Asian & Pacific Islander | 102 | 0.4% |
| Other languages | 7 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 17,310 | 98.2% |
| Born in same state | 17,202 | 97.7% |
| Born in different state | 5,896 | 36.4% |
| Foreign born | 108 | 0.5% |
| Naturalized citizen | 499 | 1.8% |
| Not a US citizen | 199 | 53.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,908 | 10.7% |
| Polish | 1,783 | 10% |
| French | 1,453 | 8.2% |
| Arab | 836 | 4.7% |
| Ancestry | Count | % |
|---|---|---|
| English | 811 | 4.6% |
| Dutch | 540 | 3% |
| German | 93 | 0.5% |
| Irish | 16 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.9% |
| Internet access | 93.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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