68731 ZIP Code — Dakota City, NE

Dakota County, Nebraska

ZIP code 68731 is located in Dakota City, Nebraska, within Dakota County. It covers approximately 36.43 square miles and serves a population of 3,680 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 402.

About ZIP code 68731

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $168,100. Owner-occupancy is high at 84%, well above the national average.

Median household income is $83,798. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is sales and office, with manufacturing as the leading industry. The average commute of 15 minutes is near the national average.

College attainment at 14% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 68731 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

3,680
population
36.43
sq mi land
Standard
ZIP type
Central (CT)
timezone
68731 ZIP code map
Cities in ZIP code 68731

Below are the cities the US Postal Service accepts for ZIP code 68731. Using any city not on this list may result in mail delivery delays.

City Status
Dakota City Preferred
Nearby ZIP codes
51111 Sioux City (4.2 mi) 68776 South Sioux City (4.3 mi) 51101 Sioux City (6.3 mi) 68030 Homer (6.6 mi) 68741 Hubbard (7.3 mi) 51103 Sioux City (7.4 mi) 57049 North Sioux City (7.4 mi) 51054 Sergeant Bluff (7.6 mi) 51106 Sioux City (8.1 mi) 51105 Sioux City (8.4 mi) 51104 Sioux City (8.9 mi) 68743 Jackson (9.2 mi)
Demographics updated 06/2026
Population
Total population 3,680
Population density 101 / sq mi
State FIPS 31
County FIPS 043
Geography
Land area 36.43 sq mi
Water area 0.38 sq mi
Latitude 42.4159
Longitude -96.4701
Timezone Central (CT)
Area code 402
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 31.3% 38.2% 39.5%
$50k – $100k 31.6% 37.4% 33.4%
$100k – $200k 32.3% 21.6% 22.0%
Over $200k 4.8% 2.8% 5.2%

Demographics & statistics

3,680
Population
101
People per sq mi
31.2
Median age
$83,798
Median household income
$28,137
Per capita income
$168,100
Median home value
$1,059
Median monthly rent
84.4%
Home ownership
8.1%
Poverty rate
4.7%
Unemployment
860
Housing units
13.5%
Bachelor's or higher

Age distribution

Male Female
163
Under 5
168
126
5–9
129
106
10–14
109
149
15–19
153
182
20–24
187
271
25–34
277
150
35–44
154
224
45–54
229
127
55–59
130
91
60–64
93
140
65–74
143
65
75–84
67
23
85+
24
← Male
Female →

Age summary

GroupCount%
Under 181,01327.5%
18 and over2,66772.5%
65 and over46212.6%
Median age31.2 years

Race & ethnicity

White 47.6%
Hispanic or Latino 22.4%
Two or more races 17.4%
Other race 7.7%
Asian 2.8%
American Indian / Alaska Native 2%
Black or African American 0.2%
GroupCount%
White2,25847.6%
Hispanic or Latino1,06322.4%
Two or more races82417.4%
Other race3657.7%
Asian1312.8%
American Indian / Alaska Native932%
Black or African American90.2%

Household income

Income range This ZIP County avg State avg
Under $50k 31.3% 38.2% 39.5%
$50k – $100k 31.6% 37.4% 33.4%
$100k – $200k 32.3% 21.6% 22.0%
Over $200k 4.8% 2.8% 5.2%
Under $10k 1.1%
$10k–$15k 0.4%
$15k–$25k 7.7%
$25k–$35k 9.0%
$35k–$50k 13.0%
$50k–$75k 15.1%
$75k–$100k 13.3%
$100k–$150k 24.6%
$150k–$200k 9.0%
$200k+ 6.8%
Range% of households
Under $10k1.1%
$10k–$15k0.4%
$15k–$25k7.7%
$25k–$35k9.0%
$35k–$50k13.0%
$50k–$75k15.1%
$75k–$100k13.3%
$100k–$150k24.6%
$150k–$200k9.0%
$200k+6.8%
Median income$83,798

Housing

Home values

Under $50k 3.1%
$50k–$100k 11.9%
$100k–$150k 25.9%
$150k–$200k 16.2%
$200k–$300k 24.7%
$300k–$500k 15.1%
$500k–$1M 2.2%
$1M+ 0.8%

Housing overview

MetricValue
Median home value$168,100
Median rent / month$1,059
Owner occupied84.4%
Renter occupied15.6%
Vacant2.7%
Single-family detached87.8%
Large apartment buildings0.0%
Mobile homes6.7%
Median rooms6.1
Avg household size (owned)3.72

Year built

Era%
2020 or later0.3%
2010–20192.8%
2000–20093.1%
1990–199916.9%
1980–198910.9%
1970–197934.8%
1960–19694.7%
1950–19597.7%
1940–19497.7%
1939 or earlier11.1%

Bedrooms

Size% of units
No bedroom (studio)1.5%
1 bedroom4.1%
2 bedrooms16.9%
3 bedrooms53.8%
4 bedrooms15.8%
5+ bedrooms7.9%

Vehicles per household

Vehicles% of households
No vehicle2.1%
1 vehicle15.6%
2 vehicles34.8%
3 or more47.5%

Heating fuel

Fuel type%
Utility gas47.8%
Electricity38.2%
Propane / LP gas13.0%
Fuel oil0.7%
Wood0.2%
No fuel used0.1%

Households & families

Household typeCount%
Married-couple family59760.5%
Cohabiting couple737.4%
Male householder, no spouse12312.5%
Female householder, no spouse19419.7%
Households with children under 1838038.5%
Households with seniors (65+)27027.4%
Average household size3.66

Marital status

StatusMaleFemale
Never married40.1%37.2%
Married47.8%44.5%
Separated1.8%2.1%
Widowed2.8%8.5%
Divorced7.5%7.7%

Education

Less than 9th grade 9.9%
Some HS, no diploma 10.9%
HS graduate 37.5%
Some college, no degree 19.0%
Associate's degree 9.2%
Bachelor's degree 9.2%
Graduate / professional 4.3%
Metric%
HS diploma or higher79.3%
Bachelor's or higher13.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool677.1%
Kindergarten545.7%
Elementary school36939.1%
High school25126.6%
College / grad school20321.5%

Employment

Industry of employment

Manufacturing 27.2%
Education & healthcare 16.4%
Retail trade 15.6%
Finance & real estate 9.9%
Transportation & utilities 7.9%
Construction 5.9%
Professional & management 4.9%
Arts, food & hospitality 4.4%
Other services 2.7%
Agriculture & mining 2.1%
Public administration 1.9%
Wholesale trade 0.8%
Information 0.3%

Occupation

Category%
Management, business & arts16.9%
Service12.1%
Sales & office30.3%
Natural resources & construction12.4%
Production & transportation28.3%

Employment type

Type%
Private sector92.1%
Government6.0%
Self-employed1.8%
Unpaid family workers0.1%

Commute

Method%
Drive alone82.0%
Carpool14.3%
Public transit0.0%
Walk1.2%
Work from home2.1%
Other means0.4%
Avg commute (minutes)14.6

Poverty

All people 8.1%
Under 18 years 16.3%
18 and over 4.9%
Married-couple families 5.2%
Female-led households 19.4%

Income support

Source% of households
Social Security30.8%
Retirement income17.6%
Supplemental Security5.8%
Cash public assistance1.5%
Food stamps / SNAP11.3%

Health indicators

Condition%
Obesity40.0%
High blood pressure32.7%
High cholesterol32.8%
Diabetes11.7%
Heart disease6.4%
Stroke3.2%
Asthma8.0%
Arthritis22.3%
Kidney disease3.0%
Pulmonary disease7.0%
Cancer5.9%
Behavior / access%
Smoking19.2%
Binge drinking17.8%
No physical activity29.4%
Less than 7 hrs sleep28.2%
Depression16.5%
Fair or poor health16.8%
Poor mental health12.6%
Poor physical health10.6%
No health insurance21.1%
Visited doctor (checkup)73.8%
Visited dentist58.3%
Cholesterol screening84.8%
Teeth loss15.4%

Veterans & disability

VeteransCount%
Civilian veterans1415.3%
Disability%
Any disability15.3%
Under 181.2%
18–64 years15.9%
65 and over43.5%

Health insurance coverage

Type%
Private insurance73.5%
Public insurance30.0%
No insurance7.0%
Uninsured under 190.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,34991.0%
Spanish47214.1%
Other Indo-European39211.7%
Asian & Pacific Islander00.0%
Other languages802.4%

Place of birth & citizenship

OriginCount%
Native born (US)3,14685.5%
Born in same state3,09884.2%
Born in different state46512.6%
Foreign born481.3%
Naturalized citizen53414.5%
Not a US citizen25647.9%

Ancestry

AncestryCount%
Italian45312.3%
French1604.3%
Polish832.3%
English571.5%
AncestryCount%
Dutch340.9%
German150.4%
Arab120.3%

Technology access

Metric% of households
Computer access26.8%
Internet access96.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 68731

What city is ZIP code 68731 in?

ZIP code 68731 is primarily assigned to Dakota City, Nebraska.

What county is ZIP code 68731 in?

ZIP code 68731 falls within Dakota County, Nebraska.

How educated is the population of ZIP code 68731?

14% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 68731 mostly owner-occupied?

84% of occupied units in ZIP code 68731 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 68731?

The median home value in ZIP code 68731 is $168,100.

What is the population of ZIP code 68731?

ZIP code 68731 has an estimated population of 3,680 residents, with a density of 101 people per square mile.

What timezone is ZIP code 68731 in?

ZIP code 68731 observes the CST timezone.

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