Zip code 83421: Chester, Idaho

Q: What city is zip code 83421?

83421 is assigned to Chester, Idaho. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 83421 in?

83421 is in Fremont County, Idaho.

Q: What is the population of 83421?

About 220 people live in 83421, according to the Census Bureau's American Community Survey.

Q: What zip codes are near 83421?

The closest zip codes to 83421 are 83445, 83451, 83436, 83438, 83420.

Residential delivery areaFremont CountyMountain Time

Population

220

Small sample: rough estimates

Median household income

—

U.S. $81K

Median home value

$282K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

62.4

U.S. 38.9

Land area

12 sq mi

19 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 83421

83421 is a rural zip code in Chester, Idaho (Fremont County), covering 12 sq mi of land. About 220 people live here, or 19 per square mile. The median resident is 62.4 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

0% of residents live below the poverty line (U.S.: 12.5%). The median home value is $282,400. 100% of occupied homes are lived in by their owners.

8% of adults hold a bachelor's degree or higher (U.S.: 36%). The most common jobs among working residents are in office and administrative support; engineering and science; and production and manufacturing. 51% of households speak a language other than English at home, most often Spanish.

How 83421 compares

Sorted from highest to lowest national percentile

Only about 220 people live here, so these survey estimates have wide margins of error.

Per capita income$125,365
99th
StrengthU.S. $44,673 · ID $38,9521st of 256 in ID
Median age62.4
99th
U.S. 38.9 · ID 37.318th of 256 in ID
Homeownership rate100%
99th
StrengthU.S. 65.2% · ID 72.1%8th of 256 in ID
Broadband access100%
99th
StrengthU.S. 91% · ID 91.9%14th of 256 in ID
Residents 65 and older39.1%
99th
U.S. 17.2% · ID 17%23rd of 256 in ID
Government workers32.9%
99th
U.S. 14.5% · ID 15%19th of 256 in ID
Income inequality (Gini)0.611
99th
WeaknessU.S. 0.483 · ID 0.4445th of 255 in ID
Median earnings per worker$103,152
98th
StrengthU.S. $49,666 · ID $43,4212nd of 253 in ID
Housing vacancy22.3%
95th
U.S. 10.1% · ID 10.3%73rd of 256 in ID
Veterans7.6%
73rd
U.S. 6.2% · ID 8%143rd of 256 in ID
Residents under 1822.7%
56th
U.S. 22% · ID 24.1%124th of 256 in ID
Median home value$282,400
40th
U.S. $332,700 · ID $418,600167th of 241 in ID
Population density19/sq mi
2nd
U.S. 95/sq mi · ID 23/sq mi118th of 256 in ID
Population220
1st
U.S. 334,922,499 · ID 1,934,262229th of 256 in ID
Poverty rate0%
1st
StrengthU.S. 12.5% · ID 10.6%250th of 256 in ID
Bachelor's degree or higher7.6%
1st
WeaknessU.S. 35.7% · ID 31.8%245th of 256 in ID
Work from home0%
1st
U.S. 15.1% · ID 13.3%248th of 256 in ID
Unemployment rate0%
1st
StrengthU.S. 5.2% · ID 3.7%233rd of 256 in ID
Diversity index0
1st
U.S. 61.4 · ID 36.2251st of 256 in ID
Uninsured rate0%
1st
StrengthU.S. 8.4% · ID 9.1%246th of 256 in ID
Foreign-born residents0%
1st
U.S. 14.1% · ID 5.9%233rd of 256 in ID
Tech workers0%
1st
U.S. 3.8% · ID 2.7%210th of 256 in ID
Healthcare workers0%
1st
U.S. 9.7% · ID 9.5%244th of 256 in ID
Self-employed workers0%
1st
U.S. 10% · ID 12.5%254th of 256 in ID

Measure	83421	Fremont	ID	U.S.	National percentile	Rank in ID
Per capita incomeStrength	$125,365	$32,810	$38,952	$44,673	99th	1st of 256
Median age	62.4	40	37.3	38.9	99th	18th of 256
Homeownership rateStrength	100%	82.6%	72.1%	65.2%	99th	8th of 256
Broadband accessStrength	100%	93.3%	91.9%	91%	99th	14th of 256
Residents 65 and older	39.1%	18.3%	17%	17.2%	99th	23rd of 256
Government workers	32.9%	19.9%	15%	14.5%	99th	19th of 256
Income inequality (Gini)Weakness	0.611	0.429	0.444	0.483	99th	5th of 255
Median earnings per workerStrength	$103,152	$37,722	$43,421	$49,666	98th	2nd of 253
Housing vacancy	22.3%	47.2%	10.3%	10.1%	95th	73rd of 256
Veterans	7.6%	6.5%	8%	6.2%	73rd	143rd of 256
Residents under 18	22.7%	24%	24.1%	22%	56th	124th of 256
Median home value	$282,400	$314,200	$418,600	$332,700	40th	167th of 241
Population density	19/sq mi	8/sq mi	23/sq mi	95/sq mi	2nd	118th of 256
Population	220	13,943	1,934,262	334,922,499	1st	229th of 256
Poverty rateStrength	0%	10.1%	10.6%	12.5%	1st	250th of 256
Bachelor's degree or higherWeakness	7.6%	22.8%	31.8%	35.7%	1st	245th of 256
Work from home	0%	11.7%	13.3%	15.1%	1st	248th of 256
Unemployment rateStrength	0%	3.9%	3.7%	5.2%	1st	233rd of 256
Diversity index	0	30	36.2	61.4	1st	251st of 256
Uninsured rateStrength	0%	10.6%	9.1%	8.4%	1st	246th of 256
Foreign-born residents	0%	5.5%	5.9%	14.1%	1st	233rd of 256
Tech workers	0%	1.9%	2.7%	3.8%	1st	210th of 256
Healthcare workers	0%	6.7%	9.5%	9.7%	1st	244th of 256
Self-employed workers	0%	13.3%	12.5%	10%	1st	254th of 256

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

16%

Under 5

5–17

18–24

25–34

10%

35–44

45–54

21%

55–64

28%

65–74

11%

75+

Median age

62.4

Under 18

22.7%

65 and over

39.1%

Race and ethnicity

White100%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial0%

Diversity index

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

49.1%

Language spoken at home (households)

English only

49%

Spanish

40%

Other Indo-European

11%

Asian / Pacific

Other

Households

Households: 115
Average household size: 1.9
Family households: 60%
Married couples: 60%
Living alone: 40%
Veterans (of adults): 7.6%
Male / female: 60% / 40%

Income and poverty

Household income distribution

<$25k

$25–50k

$50–75k

53%

$75–100k

$100–150k

20%

$150–200k

11%

$200k+

16%

Median household income

83421

—

Fremont Co.

$72,683

Idaho

$77,800

United States

$80,734

Per capita income

$125,365

U.S. $44,673

Poverty rate

U.S. 12.5%

Households earning $150K+

27%

U.S. 23%

Income inequality (Gini)

0.611

U.S. 0.483

Housing

Median home value

83421

$282,400

Fremont Co.

$314,200

Idaho

$418,600

United States

$332,700

Median gross rent

83421

—

Fremont Co.

$864

Idaho

$1,238

United States

$1,413

Types of housing

Single-family

100%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 148
Owner-occupied: 100%
Vacant: 22.3%
Median year built: 1979
Median rooms: 4.2
Renters paying 30%+ of income: —
Renters paying 50%+ of income: —
Home value to income: —

Work and commute

How people get to work

Drove alone

100%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

10–19

67%

20–29

30–44

45–59

60+

33%

Average commute

—

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

41.2%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

41%

Engineering and science

33%

Production

26%

Management

Business and finance

Computer and math

Education

Legal and social services

Arts, media and sports

Healthcare

Police and fire

Food service

Cleaning and personal care

Sales

Construction and repair

Farming, fishing and forestry

Transportation and moving

Industries

Agriculture and mining

33%

Transportation, warehousing and utilities

26%

Health care and social assistance

23%

Retail

19%

Education

Manufacturing

Professional and technical services

Construction

Restaurants and hotels

Finance, insurance and real estate

Public administration

Admin, support and management

Other services

Wholesale

Information

Arts and recreation

Median earnings per worker

$103,152

U.S. $49,666

Self-employed

U.S. 10%

Government workers

32.9%

U.S. 14.5%

Nonprofit workers

25.7%

U.S. 8.8%

Median earnings by type of work

Type of work	83421	U.S.
Management, business, science and arts	—	$74,888
Service	—	$26,804
Sales and office	—	$40,476
Construction and maintenance	—	$49,199
Production and transportation	—	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

41%

Some college

24%

Associate's

27%

Bachelor's

Graduate

High school graduate or higher: 100%
Bachelor's degree or higher: 7.6%
Graduate or professional degree: 0%
Households with broadband: 100%
Cable, fiber or DSL: 60%
No internet access: 0%
Without health insurance: 0%
Limited-English households: 0%

Geography

City (USPS): Chester
State: Idaho
County: Fremont County
Center point: 44.0019° N, 111.5473° W
Land area: 12 sq mi
Water area: 0.2 sq mi
Time zone: Mountain Time (UTC-7, UTC-6 in summer)
Zip type: Residential delivery area

Zip codes near 83421

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
83445	Saint Anthony, ID	10 mi	7,975	$68,012	$283,800
83451	Teton, ID	10 mi	993	$67,946	$259,300
83436	Newdale, ID	10 mi	778	$80,000	$337,100
83438	Parker, ID	11 mi	327	$145,714	$232,800
83420	Ashton, ID	12 mi	2,580	$69,286	$337,700
83448	Sugar City, ID	13 mi	3,365	$76,000	$381,900
83441	Rexburg, ID · PO box	17 mi	—	—	—
83460	Rexburg, ID	17 mi	56	—	—
83440	Rexburg, ID	19 mi	51,421	$58,159	$419,300
83424	Felt, ID	19 mi	168	$150,714	$803,600
83452	Tetonia, ID	19 mi	2,237	$72,083	$565,800
83422	Driggs, ID	25 mi	3,847	$96,530	$548,600

Questions about 83421

What city is zip code 83421?

83421 is assigned to Chester, Idaho. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 83421 in?

83421 is in Fremont County, Idaho.

What is the population of 83421?

About 220 people live in 83421, according to the Census Bureau's American Community Survey.

What time zone is 83421 in?

83421 is in Mountain Time.

What zip codes are near 83421?

The closest zip codes to 83421 are 83445, 83451, 83436, 83438, 83420.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 83421, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.