Blencoe ZIP Codes — Monona County, IA

There is one unique ZIP code in Blencoe, Iowa and it is 51523. Area code: 712.

ZIP codes

50.18

sq mi land

0.66

sq mi water

712

area code

Blencoe, IA ZIP code map

About Blencoe, IA

Blencoe, Iowa, is a small yet charming city located in Monona County. While it may not be widely known, Blencoe offers a close-knit community atmosphere that many residents cherish. With its rural setting in the heart of Iowa, it provides a unique glimpse into small-town life amidst the beautiful landscapes of the Midwest.

Location & geography

Situated in western Iowa, Blencoe is conveniently located near several other towns and cities, including Onawa about 15 miles to the north and Missouri Valley approximately 20 miles to the southeast. The city encompasses a land area of 50.18 square miles, complemented by a water area of 0.66 square miles, providing diverse natural landscapes. The terrain is predominantly flat with fertile soil, making it suitable for agriculture.

Community & economy

Blencoe has a welcoming character, where residents enjoy a tranquil lifestyle and strong community ties. The local economy is largely supported by agriculture, with farming playing a significant role in the daily lives of many inhabitants. Community events and gatherings are common, fostering a sense of belonging among residents.

Transportation

Blencoe is accessible via several highways, including Iowa Highway 127, which connects the city to nearby communities. The nearest major airport for air travel is located in Sioux City, approximately 30 miles to the northwest. Public transportation options may be limited, reinforcing the city's rural charm.

History

Blencoe was founded in the early 20th century, becoming a small town primarily driven by agricultural industries. Key industries in the area have historically revolved around farming and related services, contributing to the town's economic stability. Over the years, Blencoe has maintained its small-town roots while adapting to the changing needs of its residents.

Did you know?

A little-known fact about Blencoe is that it is named after a former local residence of the Blencoe family, highlighting its deep-rooted community connections. Additionally, the city represents the quintessential Midwestern charm, often attracting visitors who appreciate rural landscapes and a slower pace of life.

ZIP codes for Blencoe, IA (1)

ZIP code	City	County	Map
51523	Blencoe	Monona	View map

Demographics & statistics

370

Population

42.5

Median age

$79,286

Median household income

$33,648

Per capita income

$99,500

Median home value

Median monthly rent

83.8%

Home ownership

2.2%

Poverty rate

6.7%

Unemployment

139

Housing units

23.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	106	28.6%
18 and over	264	71.4%
65 and over	90	24.3%
Median age	42.5 years

Race & ethnicity

White 98.1%

Two or more races 1.3%

Hispanic or Latino 0.5%

Group	Count	%
White	365	98.1%
Two or more races	5	1.3%
Hispanic or Latino	2	0.5%

Household income

Under $10k 2.1%

$10k–$15k 0.7%

$15k–$25k 9.2%

$25k–$35k 1.4%

$35k–$50k 14.1%

$50k–$75k 13.4%

$75k–$100k 26.8%

$100k–$150k 24.6%

$150k–$200k 4.9%

$200k+ 2.8%

Range	% of households
Under $10k	2.1%
$10k–$15k	0.7%
$15k–$25k	9.2%
$25k–$35k	1.4%
$35k–$50k	14.1%
$50k–$75k	13.4%
$75k–$100k	26.8%
$100k–$150k	24.6%
$150k–$200k	4.9%
$200k+	2.8%
Median income	$79,286

Housing

Home values

Under $50k 14.3%

$50k–$100k 36.1%

$100k–$150k 10.9%

$150k–$200k 8.4%

$200k–$300k 16.8%

$300k–$500k 13.4%

Housing overview

Metric	Value
Median home value	$99,500
Median rent / month	$0
Owner occupied	83.8%
Renter occupied	16.2%
Vacant	12.3%
Single-family detached	90.1%
Large apartment buildings	0.0%
Mobile homes	9.9%
Median rooms	6.7
Avg household size (owned)	2.51

Year built

Era	%
2020 or later	0.0%
2010–2019	1.9%
2000–2009	0.0%
1990–1999	2.5%
1980–1989	3.7%
1970–1979	9.3%
1960–1969	11.7%
1950–1959	15.4%
1940–1949	2.5%
1939 or earlier	53.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	9.3%
2 bedrooms	27.8%
3 bedrooms	31.5%
4 bedrooms	21.6%
5+ bedrooms	9.9%

Vehicles per household

Vehicles	% of households
No vehicle	2.8%
1 vehicle	15.5%
2 vehicles	31.7%
3 or more	50.0%

Heating fuel

Fuel type	%
Utility gas	2.1%
Electricity	15.5%
Propane / LP gas	68.3%
Fuel oil	12.0%
Wood	1.4%

Households & families

Household type	Count	%
Married-couple family	95	66.9%
Cohabiting couple	12	8.5%
Male householder, no spouse	15	10.6%
Female householder, no spouse	20	14.1%
Households with children under 18	47	33.1%
Households with seniors (65+)	57	40.1%
Average household size	2.61

Marital status

Status	Male	Female
Never married	25.2%	19.9%
Married	64.7%	68.2%
Separated	0.0%	0.0%
Widowed	0.0%	7.3%
Divorced	10.1%	4.6%

Education

Less than 9th grade 2.8%

Some HS, no diploma 3.2%

HS graduate 34.1%

Some college, no degree 16.7%

Associate's degree 20.2%

Bachelor's degree 15.9%

Graduate / professional 7.1%

Metric	%
HS diploma or higher	94.0%
Bachelor's or higher	23.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	14.6%
Kindergarten	5	6.1%
Elementary school	32	39.0%
High school	28	34.1%
College / grad school	5	6.1%

Employment

Industry of employment

Education & healthcare 41.8%

Agriculture & mining 20.9%

Construction 7.2%

Retail trade 7.2%

Wholesale trade 5.9%

Manufacturing 3.9%

Transportation & utilities 3.9%

Professional & management 2.6%

Public administration 2.6%

Arts, food & hospitality 2.0%

Other services 2.0%

Occupation

Category	%
Management, business & arts	49.7%
Service	15.0%
Sales & office	15.7%
Natural resources & construction	10.5%
Production & transportation	9.2%

Employment type

Type	%
Private sector	73.2%
Government	7.8%
Self-employed	18.3%
Unpaid family workers	0.7%

Commute

Method	%
Drive alone	88.9%
Carpool	5.2%
Public transit	0.0%
Walk	0.0%
Other means	0.0%
Avg commute (minutes)	22.3

Poverty

All people 2.2%

Under 18 years 0.0%

18 and over 3.0%

Married-couple families 1.1%

Female-led households 0.0%

Income support

Source	% of households
Social Security	46.5%
Retirement income	34.5%
Supplemental Security	3.5%
Cash public assistance	2.1%
Food stamps / SNAP	7.7%

Health indicators

Condition	%
High blood pressure	37.5%
High cholesterol	39.1%
Heart disease	7.7%
Stroke	3.4%
Asthma	8.9%
Arthritis	28.3%
Kidney disease	3.2%
Pulmonary disease	7.5%
Cancer	8.9%

Behavior / access	%
Binge drinking	20.1%
No physical activity	23.8%
Less than 7 hrs sleep	29.2%
Fair or poor health	12.8%
Poor mental health	12.3%
Poor physical health	9.9%
No health insurance	8.6%
Visited doctor (checkup)	76.7%
Visited dentist	68.1%
Cholesterol screening	90.7%
Teeth loss	12.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	38	14.4%

Disability	%
Any disability	13.2%
Under 18	5.7%
18–64 years	11.5%
65 and over	25.6%

Health insurance coverage

Type	%
Private insurance	69.5%
Public insurance	45.1%
Uninsured under 19	2.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	331	89.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	370	100.0%
Born in same state	370	100.0%
Born in different state	241	65.1%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	75	20.3%
French	42	11.4%
Arab	15	4.1%
Polish	12	3.2%

Ancestry	Count	%
English	11	3%
German	4	1.1%
Dutch	3	0.8%

Technology access

Metric	% of households
Computer access	38.4%
Internet access	96.5%

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

Frequently asked questions

What ZIP codes does Blencoe, IA have?

Blencoe, IA has one ZIP code: 51523. Each ZIP code serves a distinct delivery area within the city and surrounding region.