Postal Codes

52078 ZIP Code

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ZIP code 52078 covers Worthington, Iowa, with a population of about 805 and a median household income of $93,676.

Population
80519 per square mile
Median age
43.14.4 points above the US average
Median household income
$93,6761.3× the Iowa median
Poverty rate
2.7%9.7 points below the US average
Typical home value
$324,620up 38.4% in five years
Degree or higher
10.5%24.5 points below the US average
Homeownership
93.6%28.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
21

Where 52078 is

Worthington, Iowa — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population805
Median age43.1
Family households70.2%
Born outside the US0%
Speaks a language other than English at home0.1%
White (non-Hispanic)96.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans4.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$93,676
Income per person$36,140
Poverty rate2.7%
Households on SNAP or cash assistance3.5%

Household income distribution

Under $10k0.6%
$10–15k1.3%
$15–20k1.3%
$20–25k1.6%
$25–30k6.7%
$30–35k0.6%
$35–40k1.6%
$40–45k2.2%
$45–50k4.5%
$50–60k5.1%
$60–75k9.6%
$75–100k27.2%
$100–125k13.8%
$125–150k18.3%
$150–200k3.5%
$200k or more1.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed390
Mean adjusted gross income$75,636
Returns declaring $200,000 or more0%
Returns, under $25k25.6%
Returns, $25k–$50k17.9%
Returns, $50k–$75k15.4%
Returns, $75k–$100k17.9%
Returns, $100k–$200k23.1%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$205,400
Owner-occupied93.6%
Vacant homes10.6%
Median year built1966

What the homes are

Detached house93.7%
2 to 4 units2.9%
5 to 19 units2.9%
Mobile home0.6%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$324,620as of 2026-07
Typical home value, 1 yearup 8.5%
Typical home value, 5 yearsup 38.4%
Typical home value since 2000
201820222026$324,620$177,423

$177,423 in 2018 to $324,620 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.5%
Bachelor's degree or higher10.5%
High school diploma or higher97.1%
Works from home4.1%
Drives to work alone89.6%
Takes public transport0%
Commutes 45 minutes or more21.4%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity35.9% 2.5 pts above the national average of 33.4%
Diagnosed diabetes11% 1 pts below the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure33.1% 1 pts below the national average of 34.1%
Fair or poor general health16.6% 3.7 pts below the national average of 20.3%
No health insurance (18–64)5.9% 5.4 pts below the national average of 11.3%
Depression19.8% 2.1 pts below the national average of 21.9%
No leisure-time physical activity23.5% 1.9 pts below the national average of 25.4%
Arthritis28.8% 3.7 pts above the national average of 25.1%
Binge drinking20.8% 4.8 pts above the national average of 16%
Taking blood pressure medication79.5% 4.8 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening85.6% same as the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening70.8% 6.5 pts above the national average of 64.3%
COPD7.2% 0.6 pts above the national average of 6.6%
Visited a dentist68.8% 7.5 pts above the national average of 61.3%
Any disability27.4% 3.3 pts below the national average of 30.7%
Lacks emotional support21.9% 2.9 pts below the national average of 24.8%
Food insecurity9.9% 7.2 pts below the national average of 17.1%
Received food stamps8.1% 6.2 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol35.4% 0.8 pts below the national average of 36.2%
Housing insecurity7.7% 6.1 pts below the national average of 13.8%
Independent living disability7% 1.4 pts below the national average of 8.4%
Lacks transport5.7% 3.5 pts below the national average of 9.2%
Loneliness30.3% 4.1 pts below the national average of 34.4%
Mammography use79.6% 3.7 pts above the national average of 75.9%
Poor mental health (14+ days)15.8% 1 pts below the national average of 16.8%
Mobility disability12.4% 1.6 pts below the national average of 14%
Poor physical health (14+ days)12.6% 0.9 pts below the national average of 13.5%
Self-care disability3.3% 0.7 pts below the national average of 4%
Utility shut-off threat5.4% 3.4 pts below the national average of 8.8%
Sleeps under 7 hours32.2% 4.2 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost10% 3 pts below the national average of 13%
Vision disability3.9% 1.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments21
People employed133
Annual payroll$6,272,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 90.6% of US census tracts
FEMA ratingRelatively High
Expected annual loss93.4 out of 100
Community resilience91.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought98.2Relatively High at its worst in this ZIP code
Hail97.2Very High at its worst in this ZIP code
River flooding95.9Very High at its worst in this ZIP code
Landslide94Relatively Moderate at its worst in this ZIP code
Strong wind93.7Very High at its worst in this ZIP code
Tornado93.3Very High at its worst in this ZIP code
Cold wave86.7Relatively High at its worst in this ZIP code
Winter weather83.8Relatively High at its worst in this ZIP code
Wildfire71.3Relatively Low at its worst in this ZIP code
Ice storm62.3Relatively Moderate at its worst in this ZIP code
Lightning56.8Relatively High at its worst in this ZIP code
Heat wave53.5Relatively Moderate at its worst in this ZIP code
Hurricane33.4Very Low at its worst in this ZIP code
Earthquake28.1Very Low at its worst in this ZIP code
Compared with Iowa and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIowaUnited States
Median household income$93,676$73,147$78,538
Income per person$36,140$39,728$43,289
Poverty rate2.7%11%12.4%
Median home value$205,400$195,900$303,400
Median gross rent$949$1,348
Homeownership93.6%71.5%65%
Bachelor's degree or higher10.5%30.9%35%
Unemployment rate2.5%3.6%5.2%
Works from home4.1%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age43.138.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCASCADE, IA US13.2 km away
Rain in a year39 in
Snow in a year31 in

Average high and low by month

January27.4°F / 11.4°F1.26 in rain, 8.3 in snow
February31.8°F / 14.7°F1.45 in rain, 8.8 in snow
March44.9°F / 26.2°F2.15 in rain, 4.2 in snow
April58.8°F / 37°F3.97 in rain, 0.9 in snow
May70.4°F / 48.9°F4.21 in rain
June79.9°F / 59.5°F5.96 in rain
July83.1°F / 62.6°F4.53 in rain
August81.3°F / 60°F4.65 in rain
September75°F / 51.1°F3.79 in rain
October61.8°F / 38.5°F3.26 in rain, 0.2 in snow
November46.2°F / 28°F2.33 in rain, 1.8 in snow
December32.8°F / 17.7°F1.75 in rain, 6.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket64% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Western Dubuque County Community School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability27more vulnerable than 27% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics34more vulnerable than 34% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

52046 Farley, IA10 km away
52040 Dyersville, IA10.1 km away
52237 Hopkinton, IA12.8 km away
52033 Cascade, IA14 km away
52045 Epworth, IA15.5 km away
52041 Earlville, IA17.3 km away
52223 Delhi, IA18.8 km away
52036 Delaware, IA19.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Dubuque County64.2% of this ZIP code's land area
Delaware County35.8% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area41.51 sq mi
Water area0.02 sq mi
Population density19 people per sq mi
Latitude, longitude42.3930, -91.1069

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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