52035 ZIP Code — Colesburg, IA

Delaware County, Iowa

ZIP code 52035 is located in Colesburg, Iowa, within Delaware County. It covers approximately 50.02 square miles and serves a population of 1,255 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 563.

About ZIP code 52035

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 $134,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $59,219. 44% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 52035 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,255

population

50.02

sq mi land

Standard

ZIP type

Central (CT)

timezone

52035 ZIP code map

Cities in ZIP code 52035

Below are the cities the US Postal Service accepts for ZIP code 52035. Using any city not on this list may result in mail delivery delays.

City	Status
Colesburg	Acceptable
Colesburg	Preferred

Nearby ZIP codes

52052 Guttenberg (5.1 mi) 52065 New Vienna (6.7 mi) 52050 Greeley (8.4 mi) 52042 Edgewood (10 mi) 52040 Dyersville (10.1 mi) 52053 Holy Cross (11.4 mi) 53806 Cassville (14 mi) 53810 Glen Haven (14.5 mi) 52046 Farley (16.1 mi) 52049 Garnavillo (16.1 mi) 52076 Strawberry Point (16.2 mi) 52043 Elkader (16.6 mi)

Demographics updated 05/2026

Population
Total population	1,255
Population density	25 / sq mi
State FIPS	19
County FIPS	055

Geography
Land area	50.02 sq mi
Water area	0.01 sq mi
Latitude	42.6599
Longitude	-91.1797
Timezone	Central (CT)
Area code	563

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	38.3%	40.1%
$50k – $100k	25.7%	35.2%	33.4%
$100k – $200k	20.2%	23.0%	21.5%
Over $200k	0.0%	3.4%	5.0%

Demographics & statistics

1,255

Population

People per sq mi

45.4

Median age

$59,219

Median household income

$29,381

Per capita income

$134,300

Median home value

$694

Median monthly rent

82.8%

Home ownership

10.4%

Poverty rate

6.0%

Unemployment

500

Housing units

15.6%

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

103

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	284	22.6%
18 and over	971	77.4%
65 and over	274	21.8%
Median age	45.4 years

Race & ethnicity

White 93.2%

Two or more races 6.8%

Group	Count	%
White	1,170	93.2%
Two or more races	85	6.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	38.3%	40.1%
$50k – $100k	25.7%	35.2%	33.4%
$100k – $200k	20.2%	23.0%	21.5%
Over $200k	0.0%	3.4%	5.0%

Under $10k 2.6%

$10k–$15k 5.7%

$15k–$25k 4.7%

$25k–$35k 15.0%

$35k–$50k 17.6%

$50k–$75k 13.2%

$75k–$100k 14.2%

$100k–$150k 15.2%

$150k–$200k 10.5%

$200k+ 1.2%

Range	% of households
Under $10k	2.6%
$10k–$15k	5.7%
$15k–$25k	4.7%
$25k–$35k	15.0%
$35k–$50k	17.6%
$50k–$75k	13.2%
$75k–$100k	14.2%
$100k–$150k	15.2%
$150k–$200k	10.5%
$200k+	1.2%
Median income	$59,219

Housing

Home values

Under $50k 11.0%

$50k–$100k 18.1%

$100k–$150k 33.6%

$150k–$200k 20.6%

$200k–$300k 8.1%

$300k–$500k 4.7%

$500k–$1M 2.5%

$1M+ 1.5%

Housing overview

Metric	Value
Median home value	$134,300
Median rent / month	$694
Owner occupied	82.8%
Renter occupied	17.2%
Vacant	15.7%
Single-family detached	97.6%
Large apartment buildings	0.0%
Mobile homes	0.2%
Median rooms	5.9
Avg household size (owned)	2.53

Year built

Era	%
2020 or later	0.0%
2010–2019	10.4%
2000–2009	12.3%
1990–1999	2.2%
1980–1989	9.4%
1970–1979	13.7%
1960–1969	2.2%
1950–1959	3.6%
1940–1949	6.8%
1939 or earlier	39.3%

Bedrooms

Size	% of units
No bedroom (studio)	5.6%
1 bedroom	8.7%
2 bedrooms	15.2%
3 bedrooms	52.5%
4 bedrooms	14.9%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	7.1%
1 vehicle	16.4%
2 vehicles	31.2%
3 or more	45.2%

Heating fuel

Fuel type	%
Utility gas	51.1%
Electricity	15.8%
Propane / LP gas	27.4%
Fuel oil	0.2%
Wood	5.5%

Households & families

Household type	Count	%
Married-couple family	275	55.8%
Cohabiting couple	19	3.9%
Male householder, no spouse	66	13.4%
Female householder, no spouse	133	27.0%
Households with children under 18	164	33.3%
Households with seniors (65+)	196	39.8%
Average household size	2.55

Marital status

Status	Male	Female
Never married	24.9%	36.2%
Married	60.9%	49.3%
Separated	0.0%	1.1%
Widowed	1.7%	8.9%
Divorced	12.4%	4.5%

Education

Less than 9th grade 3.4%

Some HS, no diploma 6.1%

HS graduate 41.2%

Some college, no degree 19.5%

Associate's degree 14.1%

Bachelor's degree 9.6%

Graduate / professional 6.0%

Metric	%
HS diploma or higher	90.5%
Bachelor's or higher	15.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	4.8%
Kindergarten	3	1.1%
Elementary school	100	37.0%
High school	129	47.8%
College / grad school	25	9.3%

Employment

Industry of employment

Education & healthcare 23.3%

Manufacturing 17.7%

Retail trade 15.9%

Construction 15.0%

Arts, food & hospitality 6.1%

Public administration 5.6%

Agriculture & mining 4.3%

Finance & real estate 4.2%

Transportation & utilities 3.1%

Other services 2.3%

Wholesale trade 2.1%

Professional & management 0.5%

Occupation

Category	%
Management, business & arts	28.0%
Service	14.3%
Sales & office	19.3%
Natural resources & construction	16.1%
Production & transportation	22.3%

Employment type

Type	%
Private sector	73.6%
Government	11.4%
Self-employed	14.8%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.7%
Carpool	8.7%
Public transit	0.0%
Walk	5.9%
Work from home	4.4%
Other means	2.3%
Avg commute (minutes)	33.9

Poverty

All people 10.4%

Under 18 years 12.0%

18 and over 10.0%

Married-couple families 3.3%

Female-led households 1.7%

Income support

Source	% of households
Social Security	43.6%
Retirement income	23.1%
Supplemental Security	9.7%
Cash public assistance	1.2%
Food stamps / SNAP	13.4%

Health indicators

Condition	%
Obesity	41.4%
High blood pressure	37.1%
High cholesterol	36.8%
Diabetes	11.7%
Heart disease	7.9%
Stroke	3.6%
Asthma	9.4%
Arthritis	27.8%
Kidney disease	3.3%
Pulmonary disease	8.4%
Cancer	7.7%

Behavior / access	%
Smoking	19.6%
Binge drinking	20.3%
No physical activity	27.1%
Less than 7 hrs sleep	30.6%
Depression	17.6%
Fair or poor health	15.2%
Poor mental health	13.2%
Poor physical health	11.2%
No health insurance	10.1%
Visited doctor (checkup)	75.1%
Visited dentist	64.0%
Cholesterol screening	89.2%
Teeth loss	15.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	65	6.7%

Disability	%
Any disability	9.4%
Under 18	1.8%
18–64 years	5.5%
65 and over	27.4%

Health insurance coverage

Type	%
Private insurance	77.3%
Public insurance	37.5%
No insurance	6.6%
Uninsured under 19	11.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,156	92.1%
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)	1,255	100.0%
Born in same state	1,253	99.8%
Born in different state	1,095	87.3%
Foreign born	2	0.2%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	190	15.1%
Arab	120	9.6%
French	90	7.2%
English	21	1.7%

Ancestry	Count	%
Polish	13	1%
Dutch	4	0.3%
German	3	0.2%

Technology access

Metric	% of households
Computer access	39.3%
Internet access	88.2%

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

Frequently asked questions about ZIP code 52035

What city is ZIP code 52035 in?

ZIP code 52035 is primarily assigned to Colesburg, Iowa.

What county is ZIP code 52035 in?

ZIP code 52035 falls within Clayton County, Iowa.

Does ZIP code 52035 have a large retiree population?

44% of households in ZIP code 52035 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 52035 mostly owner-occupied?

83% of occupied units in ZIP code 52035 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 52035?

The median home value in ZIP code 52035 is $134,300.

What is the population of ZIP code 52035?

ZIP code 52035 has an estimated population of 1,255 residents, with a density of 25 people per square mile.

What timezone is ZIP code 52035 in?

ZIP code 52035 observes the CST timezone.