Idaho · Census place 1628810

Franklin, Idaho

Franklin is a city in Franklin County, Idaho with an estimated 1,128 residents on July 1, 2024. It is the 81st largest of 86 incorporated places of 1,000+ people in the state.

Population 2024: 1,128; #81 of 86 in Idaho
Change since 2020: +9.8%; +101 people
Land area: 1.3 sq mi; + 0.03 sq mi water
Density: 868 / sq mi; State median 2,389

Orange pin: Franklin. Shaded: its county. Dark pin: Boise.

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Tools and pages that start from Franklin

Franklin population, 2020 to 2024

Franklin added 101 residents from July 2020 to July 2024, a change of +9.8%. In the latest year it moved by +8.

July 1 estimates. The April 2020 estimates base was 1,022. The axis starts above zero so yearly changes are visible.

Franklin covers 1.30 square miles of land and 0.03 of water, for 868 people per square mile of land. The median Idaho place of 5,000+ has 2,389, so Franklin is less dense than the typical town.

What county Franklin is in

All of Franklin's residents live in Franklin County, which had 15,638 residents in 2024. Franklin holds 7.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Franklin

1 ZIP Code Tabulation Area (ZCTA) overlaps Franklin by at least 10% of the ZCTA's or the city's land: 83237. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Franklin is

The Census internal point of Franklin is at 42.009500, -111.802200. Boise, the capital, is 249.7 miles WNW in a straight line. The nearest larger place is Lewiston, UT (1,971 people), 5.2 miles away. The nearest city of 100,000 or more is Salt Lake City, UT, 85.4 miles away.

Internal point

Decimal: 42.009500, -111.802200
DMS: 42°00'34.20"N 111°48'7.92"W
UTM: 12N 433573.4E 4651142.2N
Geohash: 9x2qzzs55
Plus code: 85JC255X+R4

Daylight in Franklin

At 42.01° N, Franklin gets about 15 h 15 min of daylight around the June solstice and 9 h 07 min around the December solstice, a swing of 6 h 08 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Franklin

The eight nearest incorporated places of 1,000+ in Idaho, measured between internal points. The closest is Preston, 7.4 miles away, with 6,160 people.

Questions people ask

What is the population of Franklin, ID?

1,128 on July 1, 2024, in the Census Vintage 2024 estimates. That is up 101 (9.8%) from 1,027 in July 2020.

What county is Franklin in?

Franklin County. All of its residents live in that county.

What ZIP codes cover Franklin?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 83237.

How far is Franklin from Boise?

249.7 miles (401.9 km) in a straight line, heading WNW from Franklin.

What is the nearest larger city to Franklin?

Lewiston, UT, with 1,971 residents, 5.2 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

How every number is computed: methodology. Spotted a wrong figure? Report an error.