Mills is a city in Natrona County, Wyoming, United States. It is part of the Casper, Wyoming Metropolitan Statistical Area. The population was 4,034 at the 2020 census, up from 3,461 at the 2010 census.

Official town website ↗

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

How Mills ranks

All →

#2Fastest growing in WY #2Most conserved land in WY #2Most affordable in WY All WY rankings →

Town numbers

ZIP code82644

Area code307

Living in Mills

Housing in Mills

$431K Median sale price · Redfin, May 2026

The median sale price was $431,000 in May 2026.

A seller's market

Buyer’sBalancedSeller’s

Days on market196

Sale-to-list100.8%

Sold in May7

Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in Mills

B⁺

Safety Grade B+

Mills reports less crime per resident than 68% of the U.S. towns and cities we grade.

Violent crime per 1,000

Mills 2.1

Wyoming 1.9

U.S. 3.3

Property crime per 1,000

Mills 3.4

Wyoming 11

U.S. 15.5

FBI crime data, 2025 · crimes reported to policeCrime & safety →

Work & commute in Mills

Full picture →

Most working residents leave Mills for work: only 8% work in town. The top destinations are Casper (50%), Hartrandt (3%) and Vista West (3%). Half commute less than 4 miles.

Casper

50%

Hartrandt

Vista West

Cheyenne

8%Work in townlive and work in Mills 4 miWhere do people commute?the commute map 2,294Jobs based herebalanced

Census LEHD 2023 · ACSWork & commute in Mills →

Health in Mills

Health Grade C

Healthier than 34% of U.S. towns on seven CDC estimates, and 70% of towns with similar incomes.

Compared with Wyoming

1better than WY·8worse

of 26 measures CDC estimates. The other 17 are too close to call.

Conditions 1▲ 2▼ 9 close Habits 2▼ 2 close Care 2▼ 5 close Mind 2▼ 1 close

BetterToo close to callWorse

What stands out

8%Fewer adults who have had cancerWY 8.9% · better 17.7%More older adults who have lost all their teethWY 12.8% · worse

Care nearby

Banner Wyoming Medical CenterCasper · 4.2 mi · ER

Community Action Partnership of Natrona CountyCasper · 2.7 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for Mills · CMS · HRSAHealth in Mills →

Natural hazards in Mills

Low

Expected storm and flood damage is higher than in 31% of U.S. communities.

🌊 Inland flooding🏚️ Earthquakes🥶 Cold waves

0Does Mills flood?no paid flood claims on record 1Disasters that paid out herefederal disaster sent FEMA money to Mills MapMills vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Mills →

Climate in Mills

Full climate →

Mills has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 89°, a January night drops to 14°, and about 82 inches of snow falls in a normal winter.

38° / 15°Winter

59° / 30°Spring

85° / 51°Summer

61° / 32°Fall

How much snow does Mills get?About 82 inches a winter.Rain & snow →When is the first frost?Around Sep 22, with the last in spring around May 26.Frost dates →Is it warmer than it used to be?+1.7° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Mills →

Schools in Mills

All Mills schools →

School Grade C

The public schools Mills’s kids attend, from kindergarten through graduation, trail 73% of Wyoming’s districts on state tests and graduation. Among towns with similar incomes, they sit near the middle.

DistrictWyoming Classical AcademySchools1

Wyoming Classical AcademyElementary · Grades K–7 · 298 students

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within WY. Ratings are from neighbors.