52742 ZIP Code — De Witt, IA

Clinton County, Iowa

ZIP code 52742 is located in De Witt, Iowa, within Clinton County. It covers approximately 117.03 square miles and serves a population of 7,581 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 563.

About ZIP code 52742

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 $223,700. Owner-occupancy is high at 81%, well above the national average.

Median household income is $86,164. The poverty rate of 7% is below the national average. 32% 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 21 minutes is near the national average.

Educational attainment is near the national average, with 36% of residents holding a bachelor's degree or higher.

Overall, ZIP code 52742 reflects a community defined by high homeownership and a significant Social Security-dependent population.

7,581

population

117.03

sq mi land

Standard

ZIP type

Central (CT)

timezone

52742 ZIP code map

Cities in ZIP code 52742

Below are the cities the US Postal Service accepts for ZIP code 52742. Using any city not on this list may result in mail delivery delays.

City	Status
De Witt	Acceptable
De Witt	Preferred

Nearby ZIP codes

52750 Goose Lake (7.8 mi) 52756 Long Grove (8.1 mi) 52731 Charlotte (8.9 mi) 52730 Camanche (9.5 mi) 52751 Grand Mound (10.6 mi) 52037 Delmar (10.7 mi) 52768 Princeton (11.5 mi) 52748 Eldridge (11.9 mi) 52746 Donahue (12.4 mi) 52732 Clinton (12.8 mi) 52729 Calamus (12.9 mi) 61242 Cordova (14 mi)

Demographics updated 05/2026

Population
Total population	7,581
Population density	65 / sq mi
State FIPS	19
County FIPS	045

Geography
Land area	117.03 sq mi
Water area	0.22 sq mi
Latitude	41.8389
Longitude	-90.4953
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	33.0%	47.2%	40.1%
$50k – $100k	38.7%	33.0%	33.4%
$100k – $200k	22.9%	17.5%	21.5%
Over $200k	5.4%	2.2%	5.0%

Demographics & statistics

7,581

Population

People per sq mi

41.1

Median age

$86,164

Median household income

$42,926

Per capita income

$223,700

Median home value

$877

Median monthly rent

81.2%

Home ownership

6.8%

Poverty rate

3.0%

Unemployment

2,512

Housing units

35.8%

Bachelor's or higher

Age distribution

Male Female

177

Under 5

196

210

5–9

232

363

10–14

401

197

15–19

218

243

20–24

268

371

25–34

410

423

35–44

468

464

45–54

512

298

55–59

330

226

60–64

250

350

65–74

386

203

75–84

225

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,869	24.7%
18 and over	5,712	75.3%
65 and over	1,324	17.5%
Median age	41.1 years

Race & ethnicity

White 94.2%

Asian 3.3%

Hispanic or Latino 0.8%

Two or more races 0.8%

Black or African American 0.7%

Other race 0.2%

Group	Count	%
White	7,199	94.2%
Asian	256	3.3%
Hispanic or Latino	64	0.8%
Two or more races	59	0.8%
Black or African American	50	0.7%
Other race	17	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	33.0%	47.2%	40.1%
$50k – $100k	38.7%	33.0%	33.4%
$100k – $200k	22.9%	17.5%	21.5%
Over $200k	5.4%	2.2%	5.0%

Under $10k 1.0%

$10k–$15k 0.6%

$15k–$25k 6.4%

$25k–$35k 11.4%

$35k–$50k 8.1%

$50k–$75k 17.7%

$75k–$100k 13.5%

$100k–$150k 18.5%

$150k–$200k 10.0%

$200k+ 12.8%

Range	% of households
Under $10k	1.0%
$10k–$15k	0.6%
$15k–$25k	6.4%
$25k–$35k	11.4%
$35k–$50k	8.1%
$50k–$75k	17.7%
$75k–$100k	13.5%
$100k–$150k	18.5%
$150k–$200k	10.0%
$200k+	12.8%
Median income	$86,164

Housing

Home values

Under $50k 1.1%

$50k–$100k 3.4%

$100k–$150k 17.2%

$150k–$200k 19.1%

$200k–$300k 29.4%

$300k–$500k 25.5%

$500k–$1M 4.3%

Housing overview

Metric	Value
Median home value	$223,700
Median rent / month	$877
Owner occupied	81.2%
Renter occupied	18.8%
Vacant	5.3%
Single-family detached	77.9%
Large apartment buildings	4.1%
Mobile homes	0.2%
Median rooms	6.4
Avg household size (owned)	2.70

Year built

Era	%
2020 or later	0.0%
2010–2019	5.1%
2000–2009	15.8%
1990–1999	14.7%
1980–1989	5.4%
1970–1979	14.9%
1960–1969	10.4%
1950–1959	10.8%
1940–1949	3.6%
1939 or earlier	19.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.6%
1 bedroom	6.1%
2 bedrooms	25.9%
3 bedrooms	37.2%
4 bedrooms	24.4%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	27.2%
2 vehicles	42.7%
3 or more	26.6%

Heating fuel

Fuel type	%
Utility gas	58.4%
Electricity	20.4%
Propane / LP gas	16.2%
Fuel oil	1.2%
Wood	2.5%

Households & families

Household type	Count	%
Married-couple family	1,662	57.4%
Cohabiting couple	168	5.8%
Male householder, no spouse	489	16.9%
Female householder, no spouse	574	19.8%
Households with children under 18	857	29.6%
Households with seniors (65+)	931	32.2%
Average household size	2.58

Marital status

Status	Male	Female
Never married	22.9%	22.5%
Married	59.9%	57.3%
Separated	0.8%	0.0%
Widowed	5.6%	7.9%
Divorced	10.8%	12.3%

Education

Less than 9th grade 2.1%

Some HS, no diploma 1.7%

HS graduate 27.4%

Some college, no degree 18.7%

Associate's degree 14.2%

Bachelor's degree 24.2%

Graduate / professional 11.6%

Metric	%
HS diploma or higher	96.2%
Bachelor's or higher	35.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	48	2.7%
Elementary school	953	52.8%
High school	437	24.2%
College / grad school	366	20.3%

Employment

Industry of employment

Education & healthcare 25.6%

Manufacturing 16.3%

Finance & real estate 10.2%

Retail trade 8.3%

Construction 8.0%

Transportation & utilities 6.3%

Other services 5.2%

Arts, food & hospitality 4.7%

Professional & management 4.3%

Agriculture & mining 3.7%

Public administration 3.6%

Wholesale trade 3.1%

Information 0.9%

Occupation

Category	%
Management, business & arts	45.2%
Service	8.0%
Sales & office	21.4%
Natural resources & construction	6.9%
Production & transportation	18.5%

Employment type

Type	%
Private sector	78.7%
Government	15.8%
Self-employed	5.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	88.2%
Carpool	3.5%
Public transit	0.0%
Walk	2.0%
Work from home	4.8%
Other means	1.4%
Avg commute (minutes)	21.1

Poverty

All people 6.8%

Under 18 years 13.0%

18 and over 4.8%

Married-couple families 0.7%

Female-led households 12.4%

Income support

Source	% of households
Social Security	32.1%
Retirement income	27.0%
Supplemental Security	1.0%
Cash public assistance	2.0%
Food stamps / SNAP	4.9%

Health indicators

Condition	%
Obesity	38.9%
High blood pressure	32.3%
High cholesterol	34.0%
Diabetes	9.3%
Heart disease	6.4%
Stroke	2.9%
Asthma	9.6%
Arthritis	23.9%
Kidney disease	2.8%
Pulmonary disease	6.5%
Cancer	7.2%

Behavior / access	%
Smoking	16.8%
Binge drinking	21.7%
No physical activity	23.0%
Less than 7 hrs sleep	30.6%
Depression	17.0%
Fair or poor health	12.1%
Poor mental health	13.1%
Poor physical health	9.2%
No health insurance	8.7%
Visited doctor (checkup)	76.2%
Visited dentist	67.3%
Cholesterol screening	89.2%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	533	9.3%

Disability	%
Any disability	6.3%
Under 18	0.9%
18–64 years	5.9%
65 and over	15.9%

Health insurance coverage

Type	%
Private insurance	80.5%
Public insurance	29.9%
No insurance	2.2%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	7,208	95.1%
Spanish	69	1.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	69	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	7,311	96.4%
Born in same state	7,190	94.8%
Born in different state	5,708	75.3%
Foreign born	121	1.6%
Naturalized citizen	270	3.6%
Not a US citizen	119	44.1%

Ancestry

Ancestry	Count	%
Italian	1,408	18.6%
French	469	6.2%
Dutch	463	6.1%

Ancestry	Count	%
Arab	308	4.1%
Polish	185	2.4%
English	143	1.9%

Technology access

Metric	% of households
Computer access	38.2%
Internet access	91.8%

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

Frequently asked questions about ZIP code 52742

What city is ZIP code 52742 in?

ZIP code 52742 is primarily assigned to De Witt, Iowa.

What county is ZIP code 52742 in?

ZIP code 52742 falls within Clinton County, Iowa.

Is ZIP code 52742 mostly owner-occupied?

81% of occupied units in ZIP code 52742 are owner-occupied, well above the national average.

Does ZIP code 52742 have a large veteran population?

9% of civilians in ZIP code 52742 are veterans, above the national average of ~7%.

What is the population of ZIP code 52742?

ZIP code 52742 has an estimated population of 7,581 residents, with a density of 65 people per square mile.

What is the typical home value in ZIP code 52742?

The median home value in ZIP code 52742 is $223,700.

What timezone is ZIP code 52742 in?

ZIP code 52742 observes the CST timezone.