ZIP code
04861
Thomaston, ME
04861 covers Thomaston in Knox County, with 2,761 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 04861. Methodology
ZIP code map of 04861

About ZIP code 04861
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 04861. Not ACS. Methodology
People in 04861
Race
- White2,500
- Black or African American16
- American Indian or Alaska Native15
- Asian33
- Native Hawaiian and Pacific Islander4
- Other race19
- Two or more races152
Hispanic or Latino (any race): 70
Age
- Under 10285
- 10 to 19268
- 20 to 29268
- 30 to 39317
- 40 to 49294
- 50 to 59373
- 60 to 69473
- 70 to 79313
- 80 and older148
Income and housing in 04861
Education
- High school graduate92.8%
- Bachelor's degree29.1%
- Graduate degree16.6%
Places covering 04861
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Thomaston67.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Knox County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
33.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 04861
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 2,644 | |
| 2006 | 2,584 | |
| 2007 | 2,803 | |
| 2008 | 2,561 | |
| 2009 | 2,530 | |
| 2010 | 2,534 | |
| 2011 | 2,854 | 2,407 |
| 2012 | 2,820 | 2,450 |
| 2013 | 2,781 | 2,400 |
| 2014 | 2,768 | 2,450 |
| 2015 | 2,768 | 2,420 |
| 2016 | 2,781 | 2,370 |
| 2017 | 2,767 | 2,380 |
| 2018 | 2,782 | 2,350 |
| 2019 | 2,760 | 2,320 |
| 2020 | 2,761 | 2,470 |
| 2021 | 2,753 | 2,400 |
| 2022 | 2,753 | 2,390 |
| 2023 | 2,761 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 04861
12 nearest ZIP centroids (any distance)
- 04841Rockland2.7 miPop 6,991 · Income $55,276
- 04864Warren3.9 miPop 4,893 · Income $77,321
- 04858South Thomaston4.3 miPop 1,400 · Income $80,938
- 04856Rockport5.6 miPop 3,663 · Income $93,169
- 04854Owls Head5.8 miPop 1,375 · Income $82,250
- 04859Spruce Head7.7 miPop 810 · Income $77,708
- 04563Cushing7.8 miPop 1,407 · Income $68,345
- 04847Hope9.3 miPop 1,711 · Income $83,462
- 04843Camden10.5 miPop 5,243 · Income $82,841
- 04572Waldoboro10.6 miPop 5,228 · Income $66,072
- 04860Tenants Harbor11.8 miPop 1,506 · Income $72,112
- 04862Union11.9 miPop 4,195 · Income $71,546
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 04861, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 04861 FAQ
- What city is ZIP code 04861 in?
- 04861 is in Thomaston, ME.
- What county is 04861 in?
- 04861 is in Knox County.
- What is the median household income in 04861?
- The median household income in 04861 is $53,775.
- Which ZIP codes are near 04861?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 04861.