83237 ZIP Code — Franklin, ID

Franklin County, Idaho

ZIP code 83237 is located in Franklin, Idaho, within Franklin County. It covers approximately 23.21 square miles and serves a population of 1,332 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208.

About ZIP code 83237

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $337,700. Owner-occupancy is high at 80%, well above the national average.

Median household income is $64,125. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 19 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 83237 reflects a community defined by a trades-oriented workforce and high homeownership.

1,332

population

23.21

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

83237 ZIP code map

Cities in ZIP code 83237

Below are the cities the US Postal Service accepts for ZIP code 83237. Using any city not on this list may result in mail delivery delays.

City	Status
Franklin	Preferred

Nearby ZIP codes

84320 Lewiston (10.7 mi) 83263 Preston (11.3 mi) 84333 Richmond (12 mi) 83272 Saint Charles (13.2 mi) 84338 Trenton (15.7 mi) 84028 Garden City (16.5 mi) 83286 Weston (16.7 mi) 83232 Dayton (17.7 mi) 83232 Dayton (17.7 mi) 84318 Hyde Park (18.3 mi) 84335 Smithfield (19 mi)

Demographics updated 08/2026

Population
Total population	1,332
Population density	57 / sq mi
State FIPS	16
County FIPS	041

Geography
Land area	23.21 sq mi
Water area	0.10 sq mi
Latitude	42.0522
Longitude	-111.6822
Timezone	Mountain (MT)
Area code	208

Total population by age

Gender

Race & ethnicity

Economics updated 08/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.5%	38.0%	41.8%
$50k – $100k	36.6%	34.3%	34.0%
$100k – $200k	8.3%	23.4%	19.5%
Over $200k	5.6%	4.3%	4.7%

Demographics & statistics

1,332

Population

People per sq mi

25.9

Median age

$64,125

Median household income

$23,278

Per capita income

$337,700

Median home value

$1,021

Median monthly rent

80.1%

Home ownership

4.6%

Poverty rate

0.1%

Unemployment

358

Housing units

10.1%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

106

25–34

119

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	375	28.2%
18 and over	957	71.8%
65 and over	190	14.3%
Median age	25.9 years

Race & ethnicity

White 80.9%

Hispanic or Latino 8.1%

Other race 4.4%

Two or more races 3.7%

Asian 1.4%

American Indian / Alaska Native 1.4%

Group	Count	%
White	1,173	80.9%
Hispanic or Latino	118	8.1%
Other race	64	4.4%
Two or more races	54	3.7%
Asian	21	1.4%
American Indian / Alaska Native	20	1.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.5%	38.0%	41.8%
$50k – $100k	36.6%	34.3%	34.0%
$100k – $200k	8.3%	23.4%	19.5%
Over $200k	5.6%	4.3%	4.7%

Under $10k 1.6%

$10k–$15k 1.6%

$15k–$25k 2.7%

$25k–$35k 7.2%

$35k–$50k 18.1%

$50k–$75k 29.1%

$75k–$100k 23.5%

$100k–$150k 10.7%

$150k–$200k 3.6%

$200k+ 2.0%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.6%
$15k–$25k	2.7%
$25k–$35k	7.2%
$35k–$50k	18.1%
$50k–$75k	29.1%
$75k–$100k	23.5%
$100k–$150k	10.7%
$150k–$200k	3.6%
$200k+	2.0%
Median income	$64,125

Housing

Home values

Under $50k 3.9%

$50k–$100k 3.4%

$150k–$200k 19.6%

$200k–$300k 11.2%

$300k–$500k 44.1%

$500k–$1M 17.9%

Housing overview

Metric	Value
Median home value	$337,700
Median rent / month	$1,021
Owner occupied	80.1%
Renter occupied	19.9%
Vacant	0.0%
Single-family detached	86.4%
Large apartment buildings	0.0%
Mobile homes	5.4%
Median rooms	6.9
Avg household size (owned)	3.15

Year built

Era	%
2020 or later	4.7%
2010–2019	8.3%
2000–2009	12.8%
1990–1999	7.2%
1980–1989	6.9%
1970–1979	8.9%
1960–1969	5.4%
1950–1959	8.3%
1940–1949	2.7%
1939 or earlier	34.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.9%
2 bedrooms	19.9%
3 bedrooms	32.2%
4 bedrooms	31.3%
5+ bedrooms	15.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	10.1%
2 vehicles	42.1%
3 or more	47.9%

Heating fuel

Fuel type	%
Utility gas	61.1%
Electricity	3.8%
Propane / LP gas	27.3%
Wood	7.8%

Households & families

Household type	Count	%
Married-couple family	316	70.7%
Cohabiting couple	35	7.8%
Male householder, no spouse	49	11.0%
Female householder, no spouse	47	10.5%
Households with children under 18	182	40.7%
Households with seniors (65+)	118	26.4%
Average household size	2.98

Marital status

Status	Male	Female
Never married	27.2%	30.4%
Married	66.3%	61.1%
Separated	0.4%	1.7%
Widowed	2.2%	2.4%
Divorced	3.9%	4.4%

Education

Less than 9th grade 1.1%

Some HS, no diploma 5.7%

HS graduate 49.5%

Some college, no degree 26.8%

Associate's degree 6.8%

Bachelor's degree 6.1%

Graduate / professional 4.0%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	10.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	19	4.7%
Kindergarten	13	3.2%
Elementary school	137	34.1%
High school	122	30.3%
College / grad school	111	27.6%

Employment

Industry of employment

Agriculture & mining 16.0%

Education & healthcare 15.4%

Construction 12.1%

Manufacturing 11.8%

Retail trade 10.5%

Arts, food & hospitality 8.2%

Other services 6.6%

Transportation & utilities 5.4%

Professional & management 4.8%

Wholesale trade 3.1%

Public administration 2.6%

Information 2.3%

Finance & real estate 1.3%

Occupation

Category	%
Management, business & arts	24.7%
Service	15.6%
Sales & office	19.7%
Natural resources & construction	23.7%
Production & transportation	16.3%

Employment type

Type	%
Private sector	72.5%
Government	14.6%
Self-employed	12.7%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	75.0%
Carpool	8.1%
Public transit	0.3%
Walk	1.3%
Work from home	15.3%
Other means	0.0%
Avg commute (minutes)	19.2

Poverty

All people 4.6%

Under 18 years 0.5%

18 and over 6.2%

Married-couple families 0.9%

Female-led households 58.8%

Income support

Source	% of households
Social Security	27.3%
Retirement income	20.8%
Supplemental Security	1.6%
Cash public assistance	0.7%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
Obesity	33.6%
High blood pressure	25.7%
High cholesterol	28.0%
Diabetes	8.0%
Heart disease	5.2%
Stroke	2.4%
Asthma	9.1%
Arthritis	19.9%
Kidney disease	2.4%
Pulmonary disease	5.2%
Cancer	5.6%

Behavior / access	%
Smoking	15.2%
Binge drinking	16.1%
No physical activity	21.6%
Less than 7 hrs sleep	31.0%
Depression	18.8%
Fair or poor health	11.9%
Poor mental health	13.7%
Poor physical health	9.3%
No health insurance	17.8%
Visited doctor (checkup)	66.5%
Visited dentist	69.2%
Cholesterol screening	84.6%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	34	3.6%

Disability	%
Any disability	12.0%
Under 18	9.6%
18–64 years	11.9%
65 and over	17.4%

Health insurance coverage

Type	%
Private insurance	71.5%
Public insurance	23.0%
No insurance	11.8%
Uninsured under 19	8.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,231	92.4%
Spanish	70	5.7%
Other Indo-European	70	5.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,213	91.1%
Born in same state	1,213	91.1%
Born in different state	348	26.1%
Foreign born	0	0.0%
Naturalized citizen	119	8.9%
Not a US citizen	36	30.3%

Ancestry

Ancestry	Count	%
French	234	17.6%
Arab	95	7.1%
Italian	39	2.9%
Polish	38	2.9%

Ancestry	Count	%
Dutch	38	2.9%
English	3	0.2%
German	1	0.1%

Technology access

Metric	% of households
Computer access	33.6%
Internet access	96.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 83237

What city is ZIP code 83237 in?

ZIP code 83237 is primarily assigned to Franklin, Idaho.

What county is ZIP code 83237 in?

ZIP code 83237 falls within Franklin County, Idaho.

How educated is the population of ZIP code 83237?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

Is ZIP code 83237 mostly owner-occupied?

80% of occupied units in ZIP code 83237 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 83237?

The median home value in ZIP code 83237 is $337,700.

What is the population of ZIP code 83237?

ZIP code 83237 has an estimated population of 1,332 residents, with a density of 57 people per square mile.

What timezone is ZIP code 83237 in?

ZIP code 83237 observes the MST timezone.