52737 ZIP Code — Columbus City, IA

Louisa County, Iowa

ZIP code 52737 is located in Columbus City, Iowa, within Louisa County. It covers approximately 0.24 square miles and serves a population of 274 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.

About ZIP code 52737

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $100,400. Owner-occupancy is high at 98%, well above the national average.

Median household income is $63,750. The poverty rate of 4% is below the national average. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 30 minutes is near the national average.

College attainment at 7% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include Spanish spoken in 24% of households.

Overall, ZIP code 52737 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

274

population

0.24

sq mi land

Standard

ZIP type

Central (CT)

timezone

52737 ZIP code map

Cities in ZIP code 52737

Below are the cities the US Postal Service accepts for ZIP code 52737. Using any city not on this list may result in mail delivery delays.

City	Status
Columbus City	Acceptable

Demographics updated 05/2026

Population
Total population	274
Population density	1,142 / sq mi
State FIPS	19
County FIPS	115

Geography
Land area	0.24 sq mi
Water area	0.00 sq mi
Latitude	41.2593
Longitude	-91.3746
Timezone	Central (CT)
Area code	319

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.2%	39.2%	40.1%
$50k – $100k	50.0%	36.2%	33.4%
$100k – $200k	17.1%	20.8%	21.5%
Over $200k	0.7%	3.8%	5.0%

Demographics & statistics

274

Population

1,142

People per sq mi

54.9

Median age

$63,750

Median household income

$33,694

Per capita income

$100,400

Median home value

Median monthly rent

97.5%

Home ownership

4.4%

Poverty rate

4.7%

Unemployment

126

Housing units

7.0%

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	38	13.9%
18 and over	236	86.1%
65 and over	63	23.0%
Median age	54.9 years

Race & ethnicity

White 42%

Hispanic or Latino 28.5%

Other race 27.2%

Two or more races 2.1%

American Indian / Alaska Native 0.3%

Group	Count	%
White	161	42%
Hispanic or Latino	109	28.5%
Other race	104	27.2%
Two or more races	8	2.1%
American Indian / Alaska Native	1	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.2%	39.2%	40.1%
$50k – $100k	50.0%	36.2%	33.4%
$100k – $200k	17.1%	20.8%	21.5%
Over $200k	0.7%	3.8%	5.0%

Under $10k 1.7%

$10k–$15k 0.8%

$15k–$25k 10.8%

$25k–$35k 10.8%

$35k–$50k 10.8%

$50k–$75k 19.2%

$75k–$100k 21.7%

$100k–$150k 15.8%

$150k–$200k 6.7%

$200k+ 1.7%

Range	% of households
Under $10k	1.7%
$10k–$15k	0.8%
$15k–$25k	10.8%
$25k–$35k	10.8%
$35k–$50k	10.8%
$50k–$75k	19.2%
$75k–$100k	21.7%
$100k–$150k	15.8%
$150k–$200k	6.7%
$200k+	1.7%
Median income	$63,750

Housing

Home values

Under $50k 10.3%

$50k–$100k 39.3%

$100k–$150k 37.6%

$150k–$200k 6.0%

$200k–$300k 5.1%

$300k–$500k 1.7%

Housing overview

Metric	Value
Median home value	$100,400
Median rent / month	$0
Owner occupied	97.5%
Renter occupied	2.5%
Vacant	7.0%
Single-family detached	79.1%
Large apartment buildings	0.0%
Mobile homes	20.9%
Median rooms	6.2
Avg household size (owned)	2.26

Year built

Era	%
2020 or later	0.0%
2010–2019	8.5%
2000–2009	3.9%
1990–1999	12.4%
1980–1989	12.4%
1970–1979	14.0%
1960–1969	4.7%
1950–1959	6.2%
1940–1949	2.3%
1939 or earlier	35.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.8%
2 bedrooms	17.8%
3 bedrooms	65.1%
4 bedrooms	16.3%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	10.0%
1 vehicle	11.7%
2 vehicles	37.5%
3 or more	40.8%

Heating fuel

Fuel type	%
Utility gas	80.0%
Electricity	15.0%
Propane / LP gas	4.2%
Wood	0.8%

Households & families

Household type	Count	%
Married-couple family	70	58.3%
Cohabiting couple	7	5.8%
Male householder, no spouse	29	24.2%
Female householder, no spouse	14	11.7%
Households with children under 18	25	20.8%
Households with seniors (65+)	48	40.0%
Average household size	2.28

Marital status

Status	Male	Female
Never married	26.1%	12.6%
Married	59.2%	66.0%
Separated	2.1%	0.0%
Widowed	2.8%	9.7%
Divorced	9.9%	11.7%

Education

Less than 9th grade 7.4%

Some HS, no diploma 14.9%

HS graduate 44.2%

Some college, no degree 21.4%

Associate's degree 5.1%

Bachelor's degree 4.7%

Graduate / professional 2.3%

Metric	%
HS diploma or higher	77.7%
Bachelor's or higher	7.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	22	46.8%
High school	10	21.3%
College / grad school	15	31.9%

Employment

Industry of employment

Manufacturing 29.4%

Education & healthcare 19.6%

Wholesale trade 10.5%

Construction 9.1%

Agriculture & mining 7.7%

Professional & management 7.0%

Retail trade 5.6%

Other services 4.9%

Arts, food & hospitality 2.8%

Public administration 2.1%

Transportation & utilities 1.4%

Occupation

Category	%
Management, business & arts	11.9%
Service	18.9%
Sales & office	7.7%
Natural resources & construction	23.1%
Production & transportation	38.5%

Employment type

Type	%
Private sector	85.3%
Government	9.8%
Self-employed	4.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	73.1%
Carpool	23.1%
Public transit	0.0%
Walk	1.5%
Work from home	2.2%
Other means	0.0%
Avg commute (minutes)	30.3

Poverty

All people 4.4%

Under 18 years 2.6%

18 and over 4.7%

Married-couple families 4.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	34.2%
Retirement income	30.0%
Supplemental Security	8.3%
Cash public assistance	0.8%
Food stamps / SNAP	6.7%

Health indicators

Condition	%
Obesity	37.5%
High blood pressure	30.5%
High cholesterol	30.5%
Diabetes	10.6%
Heart disease	6.4%
Stroke	2.9%
Asthma	8.9%
Arthritis	21.7%
Kidney disease	2.9%
Pulmonary disease	6.2%
Cancer	6.3%

Behavior / access	%
Smoking	16.4%
Binge drinking	20.9%
No physical activity	26.9%
Less than 7 hrs sleep	31.5%
Depression	16.2%
Fair or poor health	15.0%
Poor mental health	13.0%
Poor physical health	9.7%
No health insurance	17.8%
Visited doctor (checkup)	73.7%
Visited dentist	63.9%
Cholesterol screening	87.0%
Teeth loss	14.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	23	9.7%

Disability	%
Any disability	19.3%
Under 18	0.0%
18–64 years	11.6%
65 and over	52.4%

Health insurance coverage

Type	%
Private insurance	79.9%
Public insurance	36.5%
No insurance	2.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	268	97.8%
Spanish	65	24.3%
Other Indo-European	65	24.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	220	80.3%
Born in same state	209	76.3%
Born in different state	172	62.8%
Foreign born	11	4.0%
Naturalized citizen	54	19.7%
Not a US citizen	28	51.9%

Ancestry

Ancestry	Count	%
French	20	7.3%
Italian	16	5.8%
Arab	12	4.4%

Ancestry	Count	%
English	9	3.3%
Polish	2	0.7%

Technology access

Metric	% of households
Computer access	43.8%
Internet access	92.5%

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

Frequently asked questions about ZIP code 52737

What city is ZIP code 52737 in?

ZIP code 52737 is primarily assigned to Columbus City, Iowa.

What county is ZIP code 52737 in?

ZIP code 52737 falls within Louisa County, Iowa.

Is ZIP code 52737 mostly owner-occupied?

98% of occupied units in ZIP code 52737 are owner-occupied, well above the national average.

How educated is the population of ZIP code 52737?

7% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is Spanish widely spoken in ZIP code 52737?

Approximately 24% of households in ZIP code 52737 speak Spanish as a primary language.

What is the typical home value in ZIP code 52737?

The median home value in ZIP code 52737 is $100,400.

What timezone is ZIP code 52737 in?

ZIP code 52737 observes the CST timezone.