ZIP Codes of Franklin County, ME

Population & People
Population & People
Total Population
29,603
Household Income
Household Income
Median Income
$57,203
Housing
Housing
Total Housing Units
20,999
Business & Economy
Business & Economy
Total Businesses
873
Employment
Employment
Employment Rate
53.89%
Education
Education
Bachelor's Degree+
32.58%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 20 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:20 ZIP Codes (14 Standard, 6 PO Box, 0 Unique) [See All]
Area Code:207
Timezone:Eastern (GMT -05:00)
Local Time:11:53:47 PM
Population:29,603 [See All]
FIPS:23007
Land Area:2,125 sq mi
Water Area:70 sq mi
Coordinates:44.7867, -70.3065
Quick Link:
https://www.zip-codes.com/county/me-franklin.asp
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Striking education divide
Bachelor's share spans 11.7% to 57.9% — a 46-point gap.

Standout ZIPs in this County


Most Populous
Farmington · 10,542 people
35.6% of county total
Highest Income
Jay · $70,238 median
1.2× county average
Largest Land Area
Eustis · 450.7 sq mi
Spans the most ground
Fastest Growth
Strong · 22.0% (10-yr)
1,643 → 2,005 residents
Most Educated
Kingfield · 57.9% bachelor's+
739 of 1,277 adults 25+

Things worth knowing about Franklin County


29,603 residents live across 20 ZIPs covering 2,125 sq mi, served by 20 distinct USPS-recognized cities.

Population moved from 29,888 to 29,603 from 2014 to 2024 — a -1.0% change. 5 ZIPs gained residents, 13 lost.

The county's wealthiest ZIP 04239 (Jay, $70,238 median) and poorest ZIP 04982 (Stratton, $30,469) are 41.7 miles apart — a 2.3× income gap across local geography.

Median home values vary 2.5× across this county — from $168,600 in 04239 (Jay) to $422,500 in 04970 (Rangeley).

Density varies 174× across the county — from 1 people/sq mi in 04936 (Eustis) to 89 in 04239 (Jay).

Educational attainment ranges from 11.7% bachelor's+ in 04982 (Stratton) to 57.9% in 04947 (Kingfield) — the breadth of educational profiles across the area.

Within Maine, this is the #15 most populous of 16 counties and ranks #16 for median household income .

Weighted by population, the typical household earns about $59,795 across the county — reflecting what a typical resident sees, not a simple ZIP average.

32.6% of adults age 25+ hold a bachelor's degree or higher (6,942 of 21,308 reporting).

14 Standard delivery, 6 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Franklin County


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
2,125
square miles
Avg density
13.9
people per sq mi
Population
29,603
across 20 ZIPs
Eustis
450.7 sq mi
232 residents
Oquossoc
359.5 sq mi
108 residents
Rangeley
345.0 sq mi
1,105 residents

All ZIP Codes in Franklin County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
04938FarmingtonStandard10,542$55,704124.38.5%
04239JayStandard4,657$70,23852.0-3.5%
04294WiltonStandard3,982$63,10463.9-4.2%
04983StrongStandard2,005$53,894105.222.0%
04966PhillipsStandard1,632$47,969161.4-7.2%
04947KingfieldStandard1,596$70,104156.0-3.6%
04955New SharonStandard1,550$63,88946.316.4%
04970RangeleyStandard1,105$60,882345.0-33.2%
04984TempleStandard824$56,08723.937.6%
04956New VineyardStandard607$61,80638.6-7.2%
04285WeldStandard459$62,083110.7-6.3%
04982StrattonStandard269$30,46988.0-48.1%
04936EustisStandard232$47,404450.758.9%
04964OquossocPO Box108359.5-37.2%
04227East DixfieldPO Box350.0-38.6%
04234East WiltonPO Box00.0-100.0%
04940Farmington FallsStandard00.0-100.0%
04992West FarmingtonPO Box00.0-100.0%
04225DrydenPO Box0.0
04262North JayPO Box0.0

Adjacent & Nearby Counties