PlainZIP

Worthington, IA · standard

ZIP Code 52078

Dubuque County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

914
9/sq mi
$97,778
Median income
$237,500
Median home value
12.6%
Bachelor's or higher

The verdict

Worthington pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 21%
household income, US ZIPs
Top 46%
home value, US ZIPs
9
people per sq mi
97%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 52078 against every reporting US ZIP.

ZIP code 52078 is a sparsely populated ZIP (a standard USPS delivery area) in Worthington, Dubuque County, Iowa, home to just 914 residents across 106.3 square miles, a density of 9 people per square mile, in the Chicago time zone.

ZIP 52078 lands in the middle-income range, with a median household income of $97,778 (28% above the Iowa average), while per-capita income is $35,127. Poverty here runs at 1.7%, with unemployment measured at 3.1%. On housing, the median home value is $237,500 (35% above the state average) with median rent at - per month, and 97.2% of occupied units are owner-occupied.

Formal educational attainment runs low here: just 12.6% of adults hold a bachelor's degree or higher, the median age is 40.4, and the average commute is 36 minutes. To put 52078 in local context, 5 ZIP codes within roughly 10 miles appear further down this page alongside 6 additional ZIPs in Dubuque County, for a geography-aware comparison.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 52078

Top 5 sectors by establishment count in Worthington, IA

Which industries have the most business establishments in ZIP 52078.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 52078, Worthington, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

914

Population

106.3

Area (sq mi)

9

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 52078?

40.4

Median Age

54.4%

Male

45.6%

Female

0.0%

Foreign-Born

White 97.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 2.9%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$97,778

Median Household Income

+28% vs state

$35,127

Per Capita Income

1.7%

Poverty Rate

3.1%

Unemployment Rate

35.8 min

Mean Commute Time

How ZIP 52078 ranks nationally

Worthington, IA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$97,778 Top 21% higher than 79% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.0%
Bachelor's Degree or Higher 12.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

359

Total Housing Units

322

Occupied Units

37

Vacant Units

2.69

Avg Household Size

Occupancy Type

Owner 97.2%
Renter 2.8%

$237,500

Median Home Value

+35% vs state

1962

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 22 business establishments in ZIP 52078, employing approximately 132 people with a combined annual payroll of $7,109,000.

22

Businesses

132

Employees

$7.1M

Annual Payroll

3

Industry Sectors

Industry Establishments % of Total
Construction 5 22.7%
Wholesale trade 5 22.7%
Transportation and warehousing 3 13.6%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 52078 vs 52040 →

ZIP 52078 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 52078 ranks #6 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 52078 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 52078 ranks the highest of 6 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
52040 Dyersville, IA 5,526 7.9 mi
52046 Farley, IA 2,127 6.1 mi
52237 Hopkinton, IA 1,522 7.6 mi
52033 Cascade, IA 3,202 9.9 mi
52041 Earlville, IA 1,608 10.5 mi

More ZIP Codes in Dubuque County

52001 standard
Dubuque, IA
Pop: 43,173
52002 standard
Dubuque, IA
Pop: 14,559
52003 standard
Dubuque, IA
Pop: 13,436
52040 standard
Dyersville, IA
Pop: 5,526
52068 standard
Peosta, IA
Pop: 3,924
52033 standard
Cascade, IA
Pop: 3,202

Related Areas

Dubuque County Worthington, IA Iowa

Frequently Asked Questions

What county is ZIP code 52078 in? ▼
ZIP code 52078 (Worthington) is located in Dubuque County, Iowa. Dubuque County contains multiple ZIP codes, see the full list at /counties/dubuque-ia.
What is the population of ZIP code 52078? ▼
ZIP code 52078 in Worthington, IA has a population of 914 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 52078? ▼
The median household income in ZIP 52078 is $97,778, which is 28% above the national average of $76,288.
What is the average home value in ZIP 52078? ▼
The median home value in ZIP 52078 is $237,500, which is 15% below the national average of $278,155.
What is the demographic makeup of ZIP 52078? ▼
The largest racial group in ZIP 52078 is White at 97.0%.
How many businesses are in ZIP code 52078? ▼
ZIP code 52078 has 22 business establishments employing approximately 132 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 52078? ▼
The top industries by establishment count in ZIP 52078 are: Construction (5), Wholesale trade (5), Transportation and warehousing (3). There are 3 industry sectors represented in total.
What is the education level in ZIP code 52078? ▼
In ZIP code 52078, 63.0% of residents aged 25+ have a high school diploma or higher, and 12.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 52078? ▼
The mean commute time for workers in ZIP code 52078 is 35.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 52078? ▼
In ZIP code 52078, approximately 97.2% of occupied housing units are owner-occupied and 2.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 52078? ▼
The poverty rate in ZIP code 52078 is 1.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.