Sergeant Bluff ZIP Codes — Woodbury County, IA

There is one unique ZIP code in Sergeant Bluff, Iowa and it is 51054. Area code: 712.

ZIP codes

38.68

sq mi land

0.79

sq mi water

712

area code

Sergeant Bluff, IA ZIP code map

About Sergeant Bluff, IA

Sergeant Bluff, Iowa, is a small yet vibrant city located in Woodbury County. It offers a unique blend of suburban and rural living, making it a peaceful place to call home. The city is known for its strong community spirit and family-friendly atmosphere.

Location & geography

Sergeant Bluff is situated in the western part of Iowa, approximately 7 miles south of Sioux City. The city covers a land area of 38.68 square miles, with an additional 0.79 square miles of water, giving it a diverse landscape. It is surrounded by several neighboring cities, including Sioux City to the north, South Sioux City in Nebraska to the west, and North Sioux City just a short drive to the southwest.

Community & economy

The community of Sergeant Bluff is characterized by its friendly residents and active local organizations. The city has a mix of industries, including retail, manufacturing, and services, contributing to its economic stability. Daily life in Sergeant Bluff includes various recreational opportunities, such as parks, sports leagues, and community events that foster strong social connections.

Transportation

Transportation in Sergeant Bluff is convenient, with access to major highways such as U.S. Route 20 and Interstate 29, providing connectivity to larger metropolitan areas. The nearest major airport is Sioux Gateway Airport (SUX), located approximately 10 miles away in Sioux City. Local transit options primarily consist of private and city-operated services.

History

Sergeant Bluff was founded in the mid-19th century and has evolved from a military outpost to a thriving community. Historically, the city was known for its strategic location along the Missouri River, which facilitated trade and transport. Notable events in the city’s history include its rapid growth in the late 20th century as many families sought residential areas outside of urban Sioux City.

Did you know?

One surprising fact about Sergeant Bluff is its name, which is derived from a nearby bluff that served as a lookout point for the military. Additionally, Sergeant Bluff prides itself on its excellent school system, which attracts families to the area.

ZIP codes for Sergeant Bluff, IA (1)

ZIP code	City	County	Map
51054	Sergeant Bluff	Woodbury	View map

Demographics & statistics

5,416

Population

35.8

Median age

$116,111

Median household income

$46,504

Per capita income

$267,600

Median home value

$1,155

Median monthly rent

74.7%

Home ownership

7.8%

Poverty rate

3.9%

Unemployment

1,513

Housing units

37.8%

Bachelor's or higher

Age distribution

Male Female

231

Under 5

227

226

5–9

222

256

10–14

251

157

15–19

153

116

20–24

114

331

25–34

323

386

35–44

377

424

45–54

415

116

55–59

114

156

60–64

152

193

65–74

188

106

75–84

103

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,588	29.3%
18 and over	3,828	70.7%
65 and over	669	12.4%
Median age	35.8 years

Race & ethnicity

White 88.5%

Two or more races 4.3%

Asian 4%

Hispanic or Latino 2.2%

Other race 0.5%

American Indian / Alaska Native 0.4%

Black or African American 0.1%

Group	Count	%
White	4,903	88.5%
Two or more races	239	4.3%
Asian	219	4%
Hispanic or Latino	123	2.2%
Other race	27	0.5%
American Indian / Alaska Native	21	0.4%
Black or African American	7	0.1%

Household income

Under $10k 4.8%

$10k–$15k 0.8%

$15k–$25k 6.5%

$25k–$35k 5.7%

$35k–$50k 2.1%

$50k–$75k 5.7%

$75k–$100k 13.8%

$100k–$150k 28.8%

$150k–$200k 18.5%

$200k+ 13.3%

Range	% of households
Under $10k	4.8%
$10k–$15k	0.8%
$15k–$25k	6.5%
$25k–$35k	5.7%
$35k–$50k	2.1%
$50k–$75k	5.7%
$75k–$100k	13.8%
$100k–$150k	28.8%
$150k–$200k	18.5%
$200k+	13.3%
Median income	$116,111

Housing

Home values

Under $50k 6.1%

$50k–$100k 2.4%

$100k–$150k 6.5%

$150k–$200k 11.5%

$200k–$300k 32.0%

$300k–$500k 39.0%

$500k–$1M 2.5%

Housing overview

Metric	Value
Median home value	$267,600
Median rent / month	$1,155
Owner occupied	74.7%
Renter occupied	25.3%
Vacant	5.3%
Single-family detached	63.9%
Large apartment buildings	5.8%
Mobile homes	7.0%
Median rooms	6.5
Avg household size (owned)	2.84

Year built

Era	%
2020 or later	0.0%
2010–2019	26.6%
2000–2009	17.4%
1990–1999	14.3%
1980–1989	7.9%
1970–1979	7.3%
1960–1969	8.8%
1950–1959	10.2%
1940–1949	2.4%
1939 or earlier	5.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.8%
1 bedroom	5.6%
2 bedrooms	15.5%
3 bedrooms	42.7%
4 bedrooms	21.3%
5+ bedrooms	12.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.1%
1 vehicle	26.2%
2 vehicles	42.7%
3 or more	30.1%

Heating fuel

Fuel type	%
Utility gas	67.7%
Electricity	29.1%
Propane / LP gas	2.7%

Households & families

Household type	Count	%
Married-couple family	1,206	63.9%
Cohabiting couple	122	6.5%
Male householder, no spouse	225	11.9%
Female householder, no spouse	333	17.7%
Households with children under 18	834	44.2%
Households with seniors (65+)	457	24.2%
Average household size	2.86

Marital status

Status	Male	Female
Never married	28.3%	20.3%
Married	64.7%	62.1%
Separated	0.5%	0.2%
Widowed	0.7%	7.3%
Divorced	5.8%	10.1%

Education

Less than 9th grade 1.1%

Some HS, no diploma 1.7%

HS graduate 26.7%

Some college, no degree 20.8%

Associate's degree 11.9%

Bachelor's degree 24.5%

Graduate / professional 13.3%

Metric	%
HS diploma or higher	97.2%
Bachelor's or higher	37.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	147	10.1%
Kindergarten	60	4.1%
Elementary school	856	58.6%
High school	194	13.3%
College / grad school	204	14.0%

Employment

Industry of employment

Manufacturing 22.8%

Education & healthcare 19.1%

Retail trade 12.0%

Professional & management 8.2%

Finance & real estate 7.8%

Arts, food & hospitality 6.8%

Construction 5.6%

Public administration 5.4%

Wholesale trade 3.5%

Transportation & utilities 3.3%

Other services 2.0%

Agriculture & mining 1.8%

Information 1.8%

Occupation

Category	%
Management, business & arts	43.5%
Service	11.8%
Sales & office	18.3%
Natural resources & construction	8.5%
Production & transportation	17.9%

Employment type

Type	%
Private sector	83.7%
Government	13.2%
Self-employed	3.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	85.3%
Carpool	8.9%
Public transit	0.0%
Walk	0.1%
Other means	0.1%
Avg commute (minutes)	13.9

Poverty

All people 7.8%

Under 18 years 11.9%

18 and over 6.1%

Married-couple families 1.9%

Female-led households 36.7%

Income support

Source	% of households
Social Security	25.8%
Retirement income	31.2%
Supplemental Security	6.0%
Cash public assistance	1.0%
Food stamps / SNAP	6.9%

Health indicators

Condition	%
High blood pressure	27.9%
High cholesterol	33.8%
Heart disease	4.7%
Stroke	2.1%
Asthma	8.7%
Arthritis	20.2%
Kidney disease	2.2%
Pulmonary disease	4.8%
Cancer	6.0%

Behavior / access	%
Binge drinking	22.8%
No physical activity	20.5%
Less than 7 hrs sleep	31.0%
Fair or poor health	9.2%
Poor mental health	12.8%
Poor physical health	7.6%
No health insurance	7.8%
Visited doctor (checkup)	75.8%
Visited dentist	74.9%
Cholesterol screening	89.6%
Teeth loss	9.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	199	5.2%

Disability	%
Any disability	12.0%
Under 18	10.5%
18–64 years	8.9%
65 and over	30.6%

Health insurance coverage

Type	%
Private insurance	80.9%
Public insurance	29.6%
Uninsured under 19	0.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,958	91.5%
Spanish	170	3.4%
Other Indo-European	34	0.7%
Asian & Pacific Islander	130	2.6%
Other languages	6	0.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,150	95.1%
Born in same state	5,150	95.1%
Born in different state	4,080	75.3%
Foreign born	0	0.0%
Naturalized citizen	266	4.9%
Not a US citizen	85	32.0%

Ancestry

Ancestry	Count	%
French	405	7.5%
Italian	402	7.4%
Arab	314	5.8%
Polish	241	4.4%

Ancestry	Count	%
English	237	4.4%
Dutch	63	1.2%
Norwegian	28	0.5%

Technology access

Metric	% of households
Computer access	34.8%
Internet access	98.6%

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

Frequently asked questions

What ZIP codes does Sergeant Bluff, IA have?

Sergeant Bluff, IA has one ZIP code: 51054. Each ZIP code serves a distinct delivery area within the city and surrounding region.