ZIP Codes of Iron County, UT

Population & People
Population & People
Total Population
62,180
Household Income
Household Income
Median Income
$73,334
Housing
Housing
Total Housing Units
23,521
Business & Economy
Business & Economy
Total Businesses
1,932
Employment
Employment
Employment Rate
61.55%
Education
Education
Bachelor's Degree+
31.70%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 10 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:10 ZIP Codes (5 Standard, 5 PO Box, 0 Unique) [See All]
Area Code:435
Timezone:Mountain (GMT -07:00)
Local Time:2:14:05 PM
Population:62,180 [See All]
FIPS:49021
CBSA:Cedar City, UT
Land Area:2,833 sq mi
Water Area:3 sq mi
Coordinates:37.7575, -113.2276
Quick Link:
https://www.zip-codes.com/county/ut-iron.asp
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Boom county
Grew 33.2% in 10 years — #43 nationwide.
Extreme geographic sprawl
The largest ZIP spans 4226× the smallest by area — 1,308.5 sq mi down to 0.31.
Striking education divide
Bachelor's share spans 11.8% to 47.9% — a 36-point gap.

Standout ZIPs in this County


Most Populous
Cedar City · 30,641 people
49.3% of county total
Highest Income
Kanarraville · $138,929 median
1.9× county average
Largest Land Area
Beryl · 1,308.5 sq mi
Spans the most ground
Fastest Growth
Cedar City · 42.2% (10-yr)
21,551 → 30,641 residents
Most Educated
Cedar City · 36.4% bachelor's+
5,180 of 14,248 adults 25+

Things worth knowing about Iron County


62,180 residents live across 10 ZIPs covering 2,833 sq mi, served by 9 distinct USPS-recognized cities.

Population moved from 46,697 to 62,180 from 2014 to 2024 — a +33.2% change. 8 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 84742 (Kanarraville, $138,929 median) and poorest ZIP 84760 (Paragonah, $42,465) are 39.1 miles apart — a 3.3× income gap across local geography.

Median home values vary 2.7× across this county — from $184,200 in 84714 (Beryl) to $497,600 in 84742 (Kanarraville).

Density varies 121× across the county — from 1 people/sq mi in 84714 (Beryl) to 72 in 84720 (Cedar City).

Educational attainment ranges from 11.8% bachelor's+ in 84714 (Beryl) to 47.9% in 84742 (Kanarraville) — the breadth of educational profiles across the area.

Within Utah, this is the #8 most populous of 29 counties and ranks #18 for median household income with the #3 fastest decade growth .

On the national stage, Iron County is and #43 for decade growth .

Weighted by population, the typical household earns about $66,712 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.7% of adults age 25+ hold a bachelor's degree or higher (11,273 of 35,564 reporting).

5 Standard delivery, 5 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Iron County


Two counties in one

Median household income spans 3.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Kanarraville
Median income: $138,929
Population: 386
Bachelor's+: 47.9%
vs
Poorest ZIP (pop >= 500)
Paragonah
Median income: $42,465
Population: 1,054
Bachelor's+: 26.9%
For every $1 of household income in 84760, the typical household in 84742 earns $3.27.

Where the growth lives

Iron County grew 33.2% over the past decade — concentrated in 3 high-growth ZIPs:

Paragonah
+78.9%
589 → 1,054 residents
Cedar City
+42.2%
21,551 → 30,641 residents
Cedar City
+28.5%
20,001 → 25,708 residents

Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
2,833
square miles
Avg density
22.0
people per sq mi
Population
62,180
across 10 ZIPs
Beryl
1,308.5 sq mi
779 residents
Cedar City
435.1 sq mi
30,641 residents
Paragonah
427.8 sq mi
1,054 residents

All ZIP Codes in Iron County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
84721Cedar CityStandard30,641$67,299435.142.2%
84720Cedar CityStandard25,708$67,670357.328.5%
84761ParowanPO Box3,044$51,538104.60.1%
84760ParagonahPO Box1,054$42,465427.878.9%
84714BerylStandard779$58,1551,308.522.7%
84756NewcastlePO Box390$85,48937.73.2%
84742KanarravilleStandard386$138,92925.986.5%
84772SummitPO Box10439.2-52.3%
84719Brian HeadPO Box74$75,12596.348.0%
84753ModenaStandard00.3-100.0%

Adjacent & Nearby Counties