County outline
Where Androscoggin County is located
Area breakdown
Land accounts for 94.1% of Androscoggin County’s measured area and water for 5.9%. Its combined area converts to 1,287.5 square kilometers or approximately 318,157 acres.
Green: land · blue: water
| Measurement | Square miles | Square kilometers | Acres |
|---|---|---|---|
| Land | 467.956 | 1,212 | 299,491.8 |
| Water | 29.164 | 75.534 | 18,665 |
| Total | 497.12 | 1,287.535 | 318,156.8 |
How Androscoggin County compares
By original Census land area, Androscoggin County ranks #13 of 16 in Maine and #2200 of 3,222 nationally. National rankings include the 50 states, District of Columbia, and Puerto Rico.
Its land area is 0.363 times the Maine county-equivalent median of 1,289.2 square miles. It accounts for 1.5% of the combined county land area in the state.
See the complete Maine ranking · What counts as a county equivalent?
Population and density of Androscoggin County
The Census Bureau estimates that 116,487 people lived in Androscoggin County on July 1, 2025. That ranks #558 of 3,222 county equivalents nationally and #5 of 16 in Maine. Since the April 1, 2020 estimates base of 111,145, the population has grown by 5,342 (+4.8%), compared with +3.8% for Maine as a whole.
With 468 square miles of land, that is 249 people per square mile (96 per km²), placing Androscoggin County #575 nationally for density and #2 in Maine. The median county equivalent has 47 people per square mile; the Maine median is 51. Put another way, there are about 2.6 acres of land per resident.
| July 1 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Estimate | 111,181 | 112,760 | 113,437 | 114,587 | 115,600 | 116,487 |
| Change | — | +1,579 | +677 | +1,150 | +1,013 | +887 |
U.S. Census Bureau, Vintage 2025 population estimates. Estimates are revised each year and are not decennial census counts. Density divides the whole population by the whole county’s land area, so it describes an average, not how settlement is distributed within the county. Population sources and methods.
Cities and towns in Androscoggin County
Androscoggin County is divided into 14 cities and towns. In Maine, county subdivisions are local governments, and together they cover all of the county’s land and residents.
The most populous is Lewiston city, with 38,866 residents (33.4% of the county). The largest by land is Auburn city, at 59.3 mi², or 12.7% of the county’s land. The county seat, Auburn city, has 25,441 residents. Among those with at least 1,000 residents in 2020, Sabattus town grew fastest since then (+7.2%).
| County subdivision | Population 2025 | Since 2020 | Land mi² | Share of county land |
|---|---|---|---|---|
| Lewiston city | 38,866 | +4.7% | 34.1 | 7.3% |
| Auburn cityCounty seat | 25,441 | +5.7% | 59.3 | 12.7% |
| Lisbon town | 9,919 | +2.1% | 22.8 | 4.9% |
| Turner town | 6,127 | +5.3% | 59.3 | 12.7% |
| Poland town | 6,098 | +3.3% | 42.2 | 9% |
| Sabattus town | 5,397 | +7.2% | 25.7 | 5.5% |
| Greene town | 4,551 | +4.1% | 32.3 | 6.9% |
| Durham town | 4,399 | +5.4% | 38.3 | 8.2% |
| Mechanic Falls town | 3,286 | +5.7% | 11 | 2.3% |
| Livermore Falls town | 3,229 | +5.5% | 19.7 | 4.2% |
| Minot town | 2,866 | +3.5% | 29.6 | 6.3% |
| Leeds town | 2,406 | +6.4% | 40.1 | 8.6% |
| Livermore town | 2,229 | +4.9% | 37.6 | 8% |
| Wales town | 1,673 | +4.4% | 16 | 3.4% |
Population: U.S. Census Bureau Vintage 2025 subcounty estimates, counting only the part of each subdivision inside Androscoggin County. Land: 2026 Census Gazetteer. How communities are listed.
Metropolitan area
Androscoggin County is a central county of the Lewiston-Auburn, ME Metropolitan Statistical Area. Androscoggin County is the area’s only county equivalent, so the metro area has the same 468 square miles of land. By combined land it ranks #365 of 393 metropolitan areas, and #342 by population. It belongs to the Portland-Lewiston-South Portland, ME Combined Statistical Area.
ZIP codes
14 ZIP Code Tabulation Areas have land in Androscoggin County, and each lies mostly inside the county.
0421004222042360424004250042520425304254042560425804263042740428004282
ZIP Code Tabulation Areas are the Census Bureau’s approximations of USPS ZIP Code service areas, from the 2020 Census relationship files. Post-office-box and single-address ZIP Codes have no tabulation area.
Counties bordering Androscoggin County
Androscoggin County shares a land border with 5 county equivalents. It has more land than 1 of them. The largest neighbor is Oxford County (2,077 mi²) and the smallest is Sagadahoc County (254 mi²). Together with its neighbors, Androscoggin County forms a block of 6,199.6 mi² of land, of which it holds 7.5%.
| Bordering county equivalent | Land mi² | Size vs. Androscoggin | Compare |
|---|---|---|---|
| Oxford County | 2,077 | 4.4× larger | Compare |
| Franklin County | 1,697 | 3.6× larger | Compare |
| Kennebec County | 867.5 | 1.9× larger | Compare |
| Cumberland County | 836.2 | 1.8× larger | Compare |
| Sagadahoc County | 254 | 1.8× smaller | Compare |
How big is Androscoggin County compared with U.S. states?
Androscoggin County has less land than any of the 50 states. Rhode Island, the smallest state by land area, has 1,033.9 mi², about 2.2 times as much. Maine’s county land could hold about 66 areas the size of Androscoggin County.
Another way to picture it: the same land area would fill a square about 21.6 miles (34.8 km) on each side. Real county shapes are rarely square, so this is a scale reference rather than a width or driving distance.
State figures are the sums of each state’s county-equivalent land measurements in the same Census release, so states and counties are compared on the same basis. Published state totals can differ slightly because of rounding. Compare all states · Counties bigger than entire states.
What stands out about Androscoggin County?
Androscoggin County has more land than 1,022 of the other 3,221 county equivalents in the dataset.
A median is the middle county-equivalent measurement, not the average of the largest and smallest. All three bars use the same linear scale. Very small areas may appear as a thin sliver; the labels retain their values.
Does including water change its rank?
Using land plus water places Androscoggin County at #2,196 nationally by total area, 4 places closer to the top than its land rank. The water assigned to this geography moves it ahead of some county equivalents with more land.
Its water share is 5.9%, compared with a national county-equivalent median of 1.2% — 4.7 percentage points higher. This describes the statistical geography’s land/water mix, not flood exposure or developable land.
Closest positions in the national land ranking
These entries sit immediately beside Androscoggin County in the national ranking. They can be in different states and are not necessarily geographic neighbors.
| Land rank | County equivalent | Land mi² | Comparison |
|---|---|---|---|
| #2199 | Monmouth County, New Jersey | 468.2 | Compare |
| #2200 | Androscoggin County, Maine | 468 | This county |
| #2201 | Hanover County, Virginia | 467.6 | Compare |
Calculated from the same Census release as the area table. Total-area order uses original ALAND + AWATER; water shares and chart labels use published square miles. Calculation details.
Representative coordinates
The Census internal point is 44.167681, -70.207435. It represents a location inside the geography; it is not necessarily the centroid or the address of a courthouse.
Source and precision
U.S. Census Bureau, 2026 Gazetteer Files, Counties. Original ALAND: 1,212,001,620 m²; AWATER: 75,535,489 m². Rankings use ALAND; exact ties use ascending GEOID. Tables preserve Census-published square miles to three decimals, with conversions based on those values.
Common questions
How big is Androscoggin County?
Androscoggin County, Maine has 468 square miles (1,212 km²) of land and 29.2 square miles of water, for a total area of 497.1 square miles. It ranks #2200 of 3,222 U.S. county equivalents by land area.
Is Androscoggin County the largest county in Maine?
No. Androscoggin County ranks #13 of 16 in Maine by land area. The largest is Aroostook County, with 6,671.2 square miles of land.
What counties border Androscoggin County?
Androscoggin County shares a land border with Oxford County, Cumberland County, Kennebec County, Sagadahoc County, and Franklin County.
What is the population of Androscoggin County?
The Census Bureau estimates Androscoggin County had 116,487 residents on July 1, 2025, ranking #558 of 3,222 county equivalents. That is 249 people per square mile of land.
What is the county seat of Androscoggin County?
The county seat of Androscoggin County is Auburn.
What cities and towns are in Androscoggin County?
Androscoggin County has 14 county subdivisions (cities, towns and townships). The most populous five are Lewiston city, Auburn city, Lisbon town, Turner town, and Poland town.
Is Androscoggin County part of a metropolitan area?
Yes. It is a central county of the Lewiston-Auburn, ME Metropolitan Statistical Area.
How many ZIP codes are in Androscoggin County?
14 ZIP Code Tabulation Areas have land in Androscoggin County, and 14 of them have most of their land inside the county. Census ZIP Code Tabulation Areas approximate USPS ZIP Code areas.
How does Androscoggin County compare with U.S. states?
It has less land than every state. Rhode Island, the smallest, has 2.2 times as much land.
How many acres of land are in Androscoggin County?
The land measurement converts to approximately 299,492 acres. Including water, total area is approximately 318,157 acres. One square mile equals 640 acres.
Why might another source show a different area?
Check whether it reports land or total area, its Census vintage, and its rounding. Our guide explains how to reconcile county area figures.
Can this establish a property boundary?
No. Statistical measurements and generalized maps do not establish property lines. Consult the relevant local surveying or land-records authority.