• county
  • FIPS 23031
  • Largest town: Sanford

York County, Maine

York County had 220,143 residents in the Census Vintage 2024 estimate, on 991.2 square miles of land. It ranks 2nd of 16 in Maine by population and 9th by land area.

Population
220,143
#2 of 16 in Maine · #325 in US
Area
991.2 sq mi
#9 of 16 in Maine · #694 in US
Density
222 / sq mi
#3 of 16 in Maine · #534 in US
Median household income
$85,445
#2 of 16 in Maine · #322 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

York County within Maine. Pin: Augusta.

York County population, land area and income

York County had 220,143 residents in the Census Vintage 2024 estimate, on 991.2 square miles of land. It ranks 2nd of 16 in Maine by population and 9th by land area. That works out to 222.1 people per square mile, 2.3 times the US average of 96.3, and in the top quarter nationally.

The median county-equivalent in Maine has 54,142 residents, so York County is 4.1 times that size.

Its SAIPE 2023 median household income of $85,445 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

220,143

3144th1st

325th of 3,144 (US)

Land area

991 sq mi

3144th1st

694th of 3,144 (US)

Density

222.1 / sq mi

3144th1st

534th of 3,144 (US)

Median household income

$85,445

3143rd1st

322nd of 3,143 (US)

Rank within Maine (16)

Population

220,143

16th1st

2nd of 16 (ME)

Land area

991 sq mi

16th1st

9th of 16 (ME)

Density

222.1 / sq mi

16th1st

3rd of 16 (ME)

Median household income

$85,445

16th1st

2nd of 16 (ME)

How York County's population changed since 2020

York County gained 7,880 residents between the July 2020 and July 2024 estimates, a rise of 3.7%. That ranks 3rd of 16 in Maine for growth. The median Maine county changed by +3.0%, and the state as a whole by +3.0%.

Since the April 2020 estimates base, York County recorded 7,394 births and 10,038 deaths, a natural change of -2,644. Net international migration added +1,513 and net domestic migration, people moving to or from other US counties, came to +9,283. The largest single component was domestic migration, which added 9,283 people.

212.3k2020215.1k2021217.1k2022219.1k2023220.1k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
7,394
Deaths
10,038
Net international migration
+1,513
Net domestic migration
+9,283
Change, July 2023 to July 2024
+1,026

Where York County is

The Census internal point of York County is at 43.426000, -70.668400. It sits in UTM zone 19N. The map shades Maine's 16 county-equivalents by population change from 2020 to 2024, darker for faster growth, with York County outlined. Dots are towns of 1,000+ people with residents in it.

Internal point

Decimal
43.426000, -70.668400
DMS
43°25'33.60"N 70°40'6.24"W
UTM
19N 364953.6E 4809474.9N
Geohash
drtxpckyf
Plus code
87MFC8GJ+CJ

Towns in York County

3 incorporated places of 1,000+ people have residents in York County, 65,931 people together, or 30% of the county. Each figure counts only the part of the town inside York County; towns marked "part" extend into another county. The largest is Sanford with 22,497.

  1. 01Sanford22,497
  2. 02Biddeford22,370
  3. 03Saco21,064
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering York County

The Census 2024 county adjacency file lists 5 neighbors for York County, including 3 across a state line. The most populous is Rockingham County, NH, with 322,433 residents. Distances run between Census internal points in a straight line.

Distance to Augusta and the nearest big city

Augusta is 75.2 miles NE of York County's internal point in a straight line. The nearest place of 100,000 or more is Manchester, NH (population 116,386), 49.5 miles away. The nearest place of 10,000 or more is Sanford, ME (population 22,497), 4.5 miles away.

York County FIPS code

The FIPS code of York County is 23031: state code 23 for Maine plus county code 031. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $85,445.

Questions people ask

What is the population of York County, Maine?

The Census Vintage 2024 estimate for July 1, 2024 is 220,143. That is up 7,880 people (3.7%) from the July 2020 estimate of 212,263.

What is the FIPS code of York County?

23031. The first two digits (23) are Maine; the last three (031) identify the county.

What is the largest town in York County?

Sanford, with 22,497 residents inside York County in 2024.

Which counties border York County?

5 county-equivalents border it in the Census 2024 adjacency file: Rockingham County, NH; Cumberland County, ME; Strafford County, NH; Oxford County, ME; Carroll County, NH.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

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