52078 ZIP Code — Worthington, IA

Dubuque County, Iowa

ZIP code 52078 is located in Worthington, Iowa, within Dubuque County. It covers approximately 41.51 square miles and serves a population of 801 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 563.

About ZIP code 52078

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 $207,400. Owner-occupancy is high at 87%, well above the national average.

Median household income is $88,375. The poverty rate of 3% is below the national average.

The dominant occupation class is production, transportation, and material moving, with manufacturing as the leading industry. The average commute of 32 minutes is near the national average.

College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 52078 reflects a community defined by a trades-oriented workforce and high homeownership.

801

population

41.51

sq mi land

Standard

ZIP type

Central (CT)

timezone

52078 ZIP code map

Cities in ZIP code 52078

Below are the cities the US Postal Service accepts for ZIP code 52078. Using any city not on this list may result in mail delivery delays.

City	Status
Worthington	Preferred

Nearby ZIP codes

52046 Farley (6.2 mi) 52237 Hopkinton (7.7 mi) 52040 Dyersville (8.9 mi) 52033 Cascade (9.7 mi) 52223 Delhi (10.5 mi) 52045 Epworth (10.7 mi) 52310 Monticello (12.2 mi) 52065 New Vienna (13.3 mi) 52032 Bernard (15.6 mi) 52068 Peosta (16 mi) 52053 Holy Cross (17.2 mi) 52057 Manchester (18.3 mi)

Demographics updated 05/2026

Population
Total population	801
Population density	19 / sq mi
State FIPS	19
County FIPS	061

Geography
Land area	41.51 sq mi
Water area	0.02 sq mi
Latitude	42.3901
Longitude	-91.1189
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	32.3%	38.6%	40.1%
$50k – $100k	39.0%	34.4%	33.4%
$100k – $200k	25.6%	21.9%	21.5%
Over $200k	3.1%	5.2%	5.0%

Demographics & statistics

801

Population

People per sq mi

41.7

Median age

$88,375

Median household income

$32,629

Per capita income

$207,400

Median home value

$675

Median monthly rent

86.9%

Home ownership

2.9%

Poverty rate

2.7%

Unemployment

292

Housing units

10.7%

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	204	25.5%
18 and over	597	74.5%
65 and over	112	14.0%
Median age	41.7 years

Race & ethnicity

White 95.7%

Hispanic or Latino 2.1%

Two or more races 2.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	783	95.7%
Hispanic or Latino	17	2.1%
Two or more races	17	2.1%
American Indian / Alaska Native	1	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	32.3%	38.6%	40.1%
$50k – $100k	39.0%	34.4%	33.4%
$100k – $200k	25.6%	21.9%	21.5%
Over $200k	3.1%	5.2%	5.0%

Under $10k 1.0%

$10k–$15k 1.3%

$15k–$25k 3.4%

$25k–$35k 6.4%

$35k–$50k 5.1%

$50k–$75k 18.9%

$75k–$100k 29.0%

$100k–$150k 28.6%

$150k–$200k 4.4%

$200k+ 2.0%

Range	% of households
Under $10k	1.0%
$10k–$15k	1.3%
$15k–$25k	3.4%
$25k–$35k	6.4%
$35k–$50k	5.1%
$50k–$75k	18.9%
$75k–$100k	29.0%
$100k–$150k	28.6%
$150k–$200k	4.4%
$200k+	2.0%
Median income	$88,375

Housing

Home values

Under $50k 1.6%

$50k–$100k 4.7%

$100k–$150k 22.9%

$150k–$200k 19.4%

$200k–$300k 14.3%

$300k–$500k 28.3%

$500k–$1M 8.9%

Housing overview

Metric	Value
Median home value	$207,400
Median rent / month	$675
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	10.3%
Single-family detached	92.4%
Large apartment buildings	0.0%
Mobile homes	0.6%
Median rooms	7.0
Avg household size (owned)	2.73

Year built

Era	%
2020 or later	0.0%
2010–2019	10.0%
2000–2009	3.9%
1990–1999	12.1%
1980–1989	1.8%
1970–1979	16.9%
1960–1969	8.2%
1950–1959	4.5%
1940–1949	12.1%
1939 or earlier	30.5%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	9.4%
2 bedrooms	15.4%
3 bedrooms	29.9%
4 bedrooms	38.7%
5+ bedrooms	5.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.7%
1 vehicle	11.4%
2 vehicles	47.5%
3 or more	40.4%

Heating fuel

Fuel type	%
Utility gas	48.5%
Electricity	7.7%
Propane / LP gas	27.3%
Fuel oil	0.3%
Wood	13.8%
No fuel used	2.4%

Households & families

Household type	Count	%
Married-couple family	191	64.3%
Cohabiting couple	14	4.7%
Male householder, no spouse	49	16.5%
Female householder, no spouse	43	14.5%
Households with children under 18	88	29.6%
Households with seniors (65+)	78	26.3%
Average household size	2.68

Marital status

Status	Male	Female
Never married	22.4%	24.1%
Married	62.3%	61.9%
Separated	0.0%	0.3%
Widowed	2.9%	6.0%
Divorced	12.3%	7.7%

Education

Less than 9th grade 2.8%

Some HS, no diploma 1.1%

HS graduate 51.7%

Some college, no degree 18.5%

Associate's degree 15.2%

Bachelor's degree 7.6%

Graduate / professional 3.1%

Metric	%
HS diploma or higher	96.1%
Bachelor's or higher	10.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	6.8%
Kindergarten	17	7.2%
Elementary school	122	51.7%
High school	30	12.7%
College / grad school	51	21.6%

Employment

Industry of employment

Manufacturing 34.6%

Education & healthcare 20.4%

Construction 7.8%

Agriculture & mining 7.1%

Professional & management 6.9%

Transportation & utilities 6.2%

Retail trade 4.6%

Other services 3.9%

Arts, food & hospitality 3.0%

Wholesale trade 2.3%

Finance & real estate 1.6%

Public administration 0.9%

Information 0.7%

Occupation

Category	%
Management, business & arts	24.3%
Service	11.5%
Sales & office	20.4%
Natural resources & construction	11.2%
Production & transportation	32.6%

Employment type

Type	%
Private sector	86.7%
Government	4.1%
Self-employed	8.9%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	90.4%
Carpool	0.2%
Public transit	0.0%
Walk	2.5%
Work from home	4.6%
Other means	2.3%
Avg commute (minutes)	32.1

Poverty

All people 2.9%

Under 18 years 0.5%

18 and over 3.7%

Married-couple families 0.0%

Female-led households 8.7%

Income support

Source	% of households
Social Security	25.6%
Retirement income	20.2%
Supplemental Security	2.0%
Cash public assistance	0.0%
Food stamps / SNAP	3.4%

Health indicators

Condition	%
Obesity	38.1%
High blood pressure	29.9%
High cholesterol	32.3%
Diabetes	9.2%
Heart disease	6.1%
Stroke	2.8%
Asthma	9.2%
Arthritis	23.4%
Kidney disease	2.6%
Pulmonary disease	6.6%
Cancer	6.5%

Behavior / access	%
Smoking	17.9%
Binge drinking	24.8%
No physical activity	22.2%
Less than 7 hrs sleep	31.1%
Depression	17.5%
Fair or poor health	12.3%
Poor mental health	13.6%
Poor physical health	9.5%
No health insurance	9.3%
Visited doctor (checkup)	74.4%
Visited dentist	69.5%
Cholesterol screening	88.2%
Teeth loss	12.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	27	4.5%

Disability	%
Any disability	9.2%
Under 18	11.3%
18–64 years	5.8%
65 and over	20.5%

Health insurance coverage

Type	%
Private insurance	77.5%
Public insurance	29.6%
No insurance	2.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	768	95.9%
Spanish	15	2.0%
Other Indo-European	15	2.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	786	98.1%
Born in same state	786	98.1%
Born in different state	712	88.9%
Foreign born	0	0.0%
Naturalized citizen	15	1.9%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	91	11.4%
French	25	3.1%
Arab	17	2.1%

Ancestry	Count	%
English	5	0.6%
Polish	4	0.5%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	90.2%

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

Frequently asked questions about ZIP code 52078

What city is ZIP code 52078 in?

ZIP code 52078 is primarily assigned to Worthington, Iowa.

What county is ZIP code 52078 in?

ZIP code 52078 falls within Dubuque County, Iowa.

How educated is the population of ZIP code 52078?

11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 52078 mostly owner-occupied?

87% of occupied units in ZIP code 52078 are owner-occupied, well above the national average.

What is the population of ZIP code 52078?

ZIP code 52078 has an estimated population of 801 residents, with a density of 19 people per square mile.

What is the typical home value in ZIP code 52078?

The median home value in ZIP code 52078 is $207,400.

What timezone is ZIP code 52078 in?

ZIP code 52078 observes the CST timezone.