57049 ZIP Code — North Sioux City, SD
Union County, South Dakota
ZIP code 57049 is located in North Sioux City, South Dakota, within Union County. It covers approximately 14.17 square miles and serves a population of 7,661 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.
About ZIP code 57049
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $377,700. Owner-occupancy sits near the national average at 60%.
The gap between median ($88,948) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 14 minutes is near the national average.
Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.
7,661
population
14.17
sq mi land
Standard
ZIP type
Central (CT)
timezone
57049 ZIP code map
Cities in ZIP code 57049
Below are the cities the US Postal Service accepts for ZIP code 57049. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| North Sioux City | Acceptable |
| North Sioux City | Preferred |
Nearby ZIP codes
51109 Sioux City (2.9 mi)
51103 Sioux City (3.2 mi)
68776 South Sioux City (3.7 mi)
51104 Sioux City (5.3 mi)
51101 Sioux City (5.7 mi)
57038 Jefferson (6.2 mi)
51105 Sioux City (6.8 mi)
68731 Dakota City (7.4 mi)
68743 Jackson (7.7 mi)
51108 Sioux City (8.5 mi)
51111 Sioux City (9.4 mi)
51106 Sioux City (10.1 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 7,661 |
| Population density | 541 / sq mi |
| State FIPS | 46 |
| County FIPS | 127 |
| Geography | |
|---|---|
| Land area | 14.17 sq mi |
| Water area | 1.47 sq mi |
| Latitude | 42.5204 |
| Longitude | -96.5042 |
| Timezone | Central (CT) |
| Area code | 605 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.3% | 33.6% | 41.7% |
| $50k – $100k | 28.9% | 29.9% | 33.8% |
| $100k – $200k | 26.6% | 26.8% | 20.1% |
| Over $200k | 13.2% | 9.7% | 4.4% |
Demographics & statistics
7,661
Population
541
People per sq mi
38.0
Median age
$88,948
Median household income
$57,813
Per capita income
$377,700
Median home value
$1,104
Median monthly rent
60.4%
Home ownership
9.4%
Poverty rate
2.5%
Unemployment
2,090
Housing units
46.4%
Bachelor's or higher
Age distribution
Male
Female
138
Under 5
140
266
5–9
270
310
10–14
315
242
15–19
246
302
20–24
307
494
25–34
501
442
35–44
449
409
45–54
415
262
55–59
266
259
60–64
263
478
65–74
485
155
75–84
158
44
85+
45
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,778 | 23.2% |
| 18 and over | 5,883 | 76.8% |
| 65 and over | 1,365 | 17.8% |
| Median age | 38.0 years | |
Race & ethnicity
White
83%
Two or more races
5.8%
Hispanic or Latino
4.1%
Asian
3.2%
Other race
1.7%
American Indian / Alaska Native
1.5%
Black or African American
0.7%
Native Hawaiian / Pacific Islander
0.1%
| Group | Count | % |
|---|---|---|
| White | 6,629 | 83% |
| Two or more races | 460 | 5.8% |
| Hispanic or Latino | 330 | 4.1% |
| Asian | 258 | 3.2% |
| Other race | 136 | 1.7% |
| American Indian / Alaska Native | 117 | 1.5% |
| Black or African American | 52 | 0.7% |
| Native Hawaiian / Pacific Islander | 9 | 0.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.3% | 33.6% | 41.7% |
| $50k – $100k | 28.9% | 29.9% | 33.8% |
| $100k – $200k | 26.6% | 26.8% | 20.1% |
| Over $200k | 13.2% | 9.7% | 4.4% |
Under $10k
3.6%
$10k–$15k
3.8%
$15k–$25k
2.9%
$25k–$35k
4.7%
$35k–$50k
11.9%
$50k–$75k
13.5%
$75k–$100k
15.6%
$100k–$150k
18.0%
$150k–$200k
11.2%
$200k+
14.7%
| Range | % of households |
|---|---|
| Under $10k | 3.6% |
| $10k–$15k | 3.8% |
| $15k–$25k | 2.9% |
| $25k–$35k | 4.7% |
| $35k–$50k | 11.9% |
| $50k–$75k | 13.5% |
| $75k–$100k | 15.6% |
| $100k–$150k | 18.0% |
| $150k–$200k | 11.2% |
| $200k+ | 14.7% |
| Median income | $88,948 |
Housing
Home values
Under $50k
5.6%
$50k–$100k
4.8%
$100k–$150k
5.6%
$150k–$200k
7.4%
$200k–$300k
13.8%
$300k–$500k
36.5%
$500k–$1M
23.9%
$1M+
2.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $377,700 |
| Median rent / month | $1,104 |
| Owner occupied | 60.4% |
| Renter occupied | 39.6% |
| Vacant | 3.3% |
| Single-family detached | 54.3% |
| Large apartment buildings | 17.6% |
| Mobile homes | 3.6% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.69 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 25.0% |
| 2000–2009 | 27.8% |
| 1990–1999 | 24.6% |
| 1980–1989 | 5.1% |
| 1970–1979 | 9.1% |
| 1960–1969 | 3.0% |
| 1950–1959 | 1.0% |
| 1940–1949 | 1.0% |
| 1939 or earlier | 3.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.7% |
| 1 bedroom | 12.5% |
| 2 bedrooms | 27.8% |
| 3 bedrooms | 27.8% |
| 4 bedrooms | 18.0% |
| 5+ bedrooms | 13.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.3% |
| 1 vehicle | 31.7% |
| 2 vehicles | 46.9% |
| 3 or more | 20.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 47.2% |
| Electricity | 44.1% |
| Propane / LP gas | 5.4% |
| Wood | 0.7% |
| No fuel used | 2.6% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,772 | 54.1% |
| Cohabiting couple | 278 | 8.5% |
| Male householder, no spouse | 513 | 15.7% |
| Female householder, no spouse | 713 | 21.8% |
| Households with children under 18 | 909 | 27.7% |
| Households with seniors (65+) | 902 | 27.5% |
| Average household size | 2.34 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.6% | 22.6% |
| Married | 57.4% | 61.1% |
| Separated | 1.0% | 1.8% |
| Widowed | 1.8% | 7.9% |
| Divorced | 8.2% | 6.6% |
Education
Less than 9th grade
0.9%
Some HS, no diploma
2.7%
HS graduate
23.6%
Some college, no degree
17.2%
Associate's degree
9.2%
Bachelor's degree
28.0%
Graduate / professional
18.3%
| Metric | % |
|---|---|
| HS diploma or higher | 96.4% |
| Bachelor's or higher | 46.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 79 | 4.1% |
| Kindergarten | 72 | 3.7% |
| Elementary school | 988 | 50.8% |
| High school | 444 | 22.8% |
| College / grad school | 361 | 18.6% |
Employment
Industry of employment
Education & healthcare
24.6%
Manufacturing
13.4%
Retail trade
11.7%
Finance & real estate
10.0%
Professional & management
7.8%
Construction
7.4%
Arts, food & hospitality
7.0%
Transportation & utilities
5.0%
Wholesale trade
4.7%
Information
2.8%
Other services
2.4%
Agriculture & mining
1.6%
Public administration
1.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 50.6% |
| Service | 13.0% |
| Sales & office | 20.9% |
| Natural resources & construction | 7.4% |
| Production & transportation | 8.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 86.8% |
| Government | 9.9% |
| Self-employed | 3.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 88.0% |
| Carpool | 5.3% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 6.1% |
| Other means | 0.5% |
| Avg commute (minutes) | 13.8 |
Poverty
All people
9.4%
Under 18 years
9.4%
18 and over
9.3%
Married-couple families
2.9%
Female-led households
37.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.1% |
| Retirement income | 22.3% |
| Supplemental Security | 0.8% |
| Cash public assistance | 1.2% |
| Food stamps / SNAP | 6.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 37.8% |
| High blood pressure | 28.1% |
| High cholesterol | 29.7% |
| Diabetes | 8.1% |
| Heart disease | 5.7% |
| Stroke | 2.5% |
| Asthma | 8.6% |
| Arthritis | 22.4% |
| Kidney disease | 2.5% |
| Pulmonary disease | 5.0% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Smoking | 16.0% |
| Binge drinking | 21.6% |
| No physical activity | 20.2% |
| Less than 7 hrs sleep | 28.6% |
| Depression | 15.5% |
| Fair or poor health | 9.7% |
| Poor mental health | 10.4% |
| Poor physical health | 7.7% |
| No health insurance | 10.5% |
| Visited doctor (checkup) | 74.8% |
| Visited dentist | 70.8% |
| Cholesterol screening | 89.4% |
| Teeth loss | 11.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 465 | 7.9% |
| Disability | % |
|---|---|
| Any disability | 10.2% |
| Under 18 | 6.5% |
| 18–64 years | 5.1% |
| 65 and over | 31.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 83.6% |
| Public insurance | 27.9% |
| No insurance | 2.7% |
| Uninsured under 19 | 2.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,383 | 96.4% |
| Spanish | 131 | 1.8% |
| Other Indo-European | 19 | 0.3% |
| Asian & Pacific Islander | 77 | 1.0% |
| Other languages | 7 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 7,293 | 95.2% |
| Born in same state | 7,266 | 94.8% |
| Born in different state | 1,180 | 15.4% |
| Foreign born | 27 | 0.4% |
| Naturalized citizen | 368 | 4.8% |
| Not a US citizen | 162 | 44.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 1,010 | 13.2% |
| French | 662 | 8.6% |
| English | 354 | 4.6% |
| Arab | 309 | 4% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 286 | 3.7% |
| Dutch | 146 | 1.9% |
| German | 31 | 0.4% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.8% |
| Internet access | 95.8% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57049
What city is ZIP code 57049 in?
ZIP code 57049 is primarily assigned to North Sioux City, South Dakota.
What county is ZIP code 57049 in?
ZIP code 57049 falls within Union County, South Dakota.
How educated is the population of ZIP code 57049?
46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 57049?
The median home value in ZIP code 57049 is $377,700.
What is the population of ZIP code 57049?
ZIP code 57049 has an estimated population of 7,661 residents, with a density of 541 people per square mile.
What is the median household income in ZIP code 57049?
The median household income in ZIP code 57049 is $88,948, above the national median of ~$75,000.
What timezone is ZIP code 57049 in?
ZIP code 57049 observes the CST timezone.