Columbus Junction ZIP Codes — Louisa County, IA

There is one unique ZIP code in Columbus Junction, Iowa and it is 52738. Area code: 319.

ZIP codes

122.54

sq mi land

1.82

sq mi water

319

area code

Columbus Junction, IA ZIP code map

About Columbus Junction, IA

Columbus Junction is a small city located in the heart of Louisa County, Iowa. It serves as a charming community with a rich history and a close-knit atmosphere. Residents enjoy the simplicity of rural life while being connected to various amenities and attractions in the surrounding areas.

Location & geography

Columbus Junction is situated in southeastern Iowa, approximately 20 miles from the larger city of Muscatine and around 22 miles from the city of Washington. The city spans a land area of 122.54 square miles, with a small water area covering 1.82 square miles. The terrain is primarily flat and characterized by the gentle rolling hills typical of the Midwest, making it an appealing landscape for outdoor activities.

Community & economy

The character of Columbus Junction is marked by its friendly residents and strong community spirit. Local industries primarily focus on agriculture, providing a vital part of the local economy and lifestyle. Daily life in Columbus Junction includes community events, local markets, and access to amenities that enhance the quality of living for its residents.

Transportation

Transportation in Columbus Junction is facilitated by major highways, including U.S. Route 61 that runs through the city, providing essential connections to neighboring areas. The nearest airport is the Muscatine Municipal Airport, located about 20 miles away, catering to regional air travel. Local transit options are limited, emphasizing the reliance on personal vehicles for travel.

History

Columbus Junction was founded in the mid-19th century and has developed around its historical significance as a transportation hub due to the confluence of railroads. Key industries have historically included agriculture and small manufacturing, which have shaped the city's growth and economic stability. Notable events in the area's history often revolve around community gatherings and festivals celebrating its agricultural roots.

Did you know?

A little-known fact about Columbus Junction is its annual Latino Festival, which celebrates the rich cultural diversity of the community. This event draws visitors from surrounding areas and highlights the importance of cultural exchange in the region.

ZIP codes for Columbus Junction, IA (1)

ZIP code	City	County	Map
52738	Columbus Junction	Louisa	View map

Demographics & statistics

3,389

Population

36.3

Median age

$74,043

Median household income

$30,755

Per capita income

$134,900

Median home value

$575

Median monthly rent

76.9%

Home ownership

12.7%

Poverty rate

4.0%

Unemployment

1,102

Housing units

19.5%

Bachelor's or higher

Age distribution

Male Female

178

Under 5

161

116

5–9

105

102

10–14

101

15–19

20–24

302

25–34

273

200

35–44

181

182

45–54

164

55–59

143

60–64

129

173

65–74

157

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	863	25.5%
18 and over	2,526	74.5%
65 and over	564	16.6%
Median age	36.3 years

Race & ethnicity

White 53.7%

Hispanic or Latino 18.6%

Other race 15.7%

Two or more races 5.3%

Asian 5.2%

Black or African American 1.3%

American Indian / Alaska Native 0.2%

Group	Count	%
White	2,237	53.7%
Hispanic or Latino	775	18.6%
Other race	652	15.7%
Two or more races	220	5.3%
Asian	217	5.2%
Black or African American	55	1.3%
American Indian / Alaska Native	8	0.2%

Household income

Under $10k 6.2%

$10k–$15k 2.6%

$15k–$25k 7.3%

$25k–$35k 7.0%

$35k–$50k 11.0%

$50k–$75k 17.6%

$75k–$100k 21.1%

$100k–$150k 15.7%

$150k–$200k 4.2%

$200k+ 7.4%

Range	% of households
Under $10k	6.2%
$10k–$15k	2.6%
$15k–$25k	7.3%
$25k–$35k	7.0%
$35k–$50k	11.0%
$50k–$75k	17.6%
$75k–$100k	21.1%
$100k–$150k	15.7%
$150k–$200k	4.2%
$200k+	7.4%
Median income	$74,043

Housing

Home values

Under $50k 6.0%

$50k–$100k 22.3%

$100k–$150k 28.0%

$150k–$200k 14.9%

$200k–$300k 15.5%

$300k–$500k 10.2%

$500k–$1M 3.1%

Housing overview

Metric	Value
Median home value	$134,900
Median rent / month	$575
Owner occupied	76.9%
Renter occupied	23.1%
Vacant	16.9%
Single-family detached	77.1%
Large apartment buildings	1.3%
Mobile homes	9.0%
Median rooms	5.8
Avg household size (owned)	3.02

Year built

Era	%
2020 or later	0.0%
2010–2019	4.3%
2000–2009	6.4%
1990–1999	9.3%
1980–1989	9.8%
1970–1979	9.6%
1960–1969	17.2%
1950–1959	3.5%
1940–1949	7.0%
1939 or earlier	33.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	11.2%
2 bedrooms	24.8%
3 bedrooms	42.9%
4 bedrooms	15.3%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.8%
1 vehicle	21.7%
2 vehicles	38.6%
3 or more	33.8%

Heating fuel

Fuel type	%
Utility gas	41.7%
Electricity	23.4%
Propane / LP gas	30.7%
Fuel oil	0.1%
Wood	2.5%
No fuel used	1.7%

Households & families

Household type	Count	%
Married-couple family	752	66.4%
Cohabiting couple	25	2.2%
Male householder, no spouse	135	11.9%
Female householder, no spouse	220	19.4%
Households with children under 18	383	33.8%
Households with seniors (65+)	421	37.2%
Average household size	2.96

Marital status

Status	Male	Female
Never married	30.1%	13.4%
Married	63.7%	67.6%
Separated	0.0%	1.0%
Widowed	0.8%	10.1%
Divorced	5.4%	7.9%

Education

Less than 9th grade 10.1%

Some HS, no diploma 12.2%

HS graduate 33.3%

Some college, no degree 16.6%

Associate's degree 8.3%

Bachelor's degree 15.4%

Graduate / professional 4.1%

Metric	%
HS diploma or higher	77.7%
Bachelor's or higher	19.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	66	10.2%
Kindergarten	49	7.6%
Elementary school	295	45.5%
High school	136	21.0%
College / grad school	102	15.7%

Employment

Industry of employment

Manufacturing 35.3%

Education & healthcare 13.1%

Construction 11.0%

Agriculture & mining 10.6%

Retail trade 6.5%

Arts, food & hospitality 5.8%

Finance & real estate 4.1%

Transportation & utilities 3.8%

Professional & management 3.8%

Public administration 2.3%

Wholesale trade 1.9%

Other services 1.0%

Information 0.8%

Occupation

Category	%
Management, business & arts	21.9%
Service	11.7%
Sales & office	16.0%
Natural resources & construction	16.6%
Production & transportation	33.7%

Employment type

Type	%
Private sector	83.2%
Government	11.6%
Self-employed	5.1%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	73.1%
Carpool	16.7%
Public transit	0.0%
Walk	1.3%
Other means	3.0%
Avg commute (minutes)	22.3

Poverty

All people 12.7%

Under 18 years 16.0%

18 and over 11.5%

Married-couple families 6.9%

Female-led households 14.3%

Income support

Source	% of households
Social Security	37.3%
Retirement income	18.8%
Supplemental Security	4.1%
Cash public assistance	0.5%
Food stamps / SNAP	9.5%

Health indicators

Condition	%
High blood pressure	31.4%
High cholesterol	32.1%
Heart disease	6.5%
Stroke	3.0%
Asthma	9.1%
Arthritis	22.6%
Kidney disease	2.9%
Pulmonary disease	6.6%
Cancer	6.4%

Behavior / access	%
Binge drinking	20.9%
No physical activity	26.8%
Less than 7 hrs sleep	32.1%
Fair or poor health	15.1%
Poor mental health	13.4%
Poor physical health	10.2%
No health insurance	15.8%
Visited doctor (checkup)	73.9%
Visited dentist	63.7%
Cholesterol screening	87.3%
Teeth loss	15.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	80	3.2%

Disability	%
Any disability	9.3%
Under 18	3.9%
18–64 years	6.7%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	67.7%
Public insurance	42.2%
Uninsured under 19	0.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,050	90.0%
Spanish	608	19.9%
Other Indo-European	504	16.5%
Asian & Pacific Islander	0	0.0%
Other languages	82	2.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,669	78.8%
Born in same state	2,606	76.9%
Born in different state	2,075	61.2%
Foreign born	63	1.9%
Naturalized citizen	720	21.2%
Not a US citizen	270	37.5%

Ancestry

Ancestry	Count	%
French	235	6.9%
Italian	134	4%
Arab	87	2.6%
English	47	1.4%

Ancestry	Count	%
Polish	27	0.8%
Irish	14	0.4%
Dutch	8	0.2%

Technology access

Metric	% of households
Computer access	33.4%
Internet access	87.5%

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

Frequently asked questions

What ZIP codes does Columbus Junction, IA have?

Columbus Junction, IA has one ZIP code: 52738. Each ZIP code serves a distinct delivery area within the city and surrounding region.