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Union city, IA

ZIP Code 50258 — Union city, IA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Middle ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
989
Median Income
$82,865
+10% vs US avg
Home Value
$100,000
-71% vs US avg
Median Rent
$561
-52% vs US avg
Median Age
50.4 yrs
+30% vs US avg
Area Code
Congress
Top Ancestry
GermanEnglishEuropean
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Location
Coordinates
42.2241, -93.0731
Elevation
1,073 ft
Land Area
53.7 sq mi
Water Area
0.2 sq mi (0% water)

At a glance

Population
989
Density
N/A
Median income
$82,865
+10% vs US avg
Home value
$100,000
-71% vs US avg
Median rent
$561
-52% vs US avg
Timezone

Overview of ZIP Code 50258

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What to know about ZIP 50258

ZIP code 50258 covers Union, IA in Hardin County with a population of about 989.

At a glance, the area shows median age of 50.4 versus a U.S. median of about 38.9.

It sits in telephone area code 641; U.S. House district IA-2; the DES MOINES - AMES media market.

Income and economy in Union, IA

Median household income in ZIP 50258 is about $82,865 — about 10% above the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 11.3%; unemployment rate near 0.9%; 36.6% of adults with a bachelor’s degree or higher (about 2.9 points above the national share (33.7%)).

Labor and commute patterns include leading industry context around Healthcare, Real estate, and Retail trade; about 11.6% of workers reporting work-from-home (about 3.6 points below the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 50258

Median home value is about $100,000 — about 71% below the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $561 (about 52% below the U.S. median rent ($1,163)), and owner-occupancy near 81.4% (about 16.0 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50258 in Union, IA, a household would need roughly $28,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $642. That sits below the local median household income ($82,865), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Union city, IA as Relatively Low (composite score 58.4), which is near the middle of the national distribution. The strongest component scores on US5 are flood (52.9) and wildfire (39.0). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Union city, IA show little to no average snow and around 37.9 inches of annual precipitation.

IRS migration statistics show a net inflow of about 57 for ZIP 50258 (Union city, IA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport ALO (41.3 miles (66.5 km)) · Marshalltown Community College (17.6 miles (28.3 km)) · Herbert Hoover National Historic Site (96.4 miles (155.2 km)) · VA: Marshalltown CBOC (16.5 miles (26.6 km))

Full lists and map pins are in the Infrastructure section below.