ZIP Code Tabulation Area · Maine

ZIP Code 04574: Knox County, ME

ZIP Code 04574 (Knox County, Maine) has an estimated 1,624 residents in 684 households. The median household income is $59,861, the median home value is $195,200 and the median gross rent is $1,036/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

1,624

Margin of error ±241

Median household income

$59,861

Margin of error ±$16,755

Median home value

$195,200

Margin of error ±$36,395

Median gross rent

$1,036/mo

Margin of error ±$322

Median age

48.2 yrs

Margin of error ±6.7 yrs

Mean travel time to work

31.9 min

Margin of error ±9.9 min

How ZIP 04574 compares with Maine and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0457448.2 yrsMaine44.8 yrsUnited States38.9 yrs

Median household income

ZIP 04574$59,861Maine$74,733United States$80,734

Per capita income

ZIP 04574$38,398Maine$43,742United States$44,673

Poverty rate

ZIP 0457415.3%Maine10.7%United States12.5%

Unemployment rate

ZIP 045741.3%Maine3.8%United States5.2%

Bachelor's degree or higher

ZIP 0457417.3%Maine36.2%United States35.7%

Median home value

ZIP 04574$195,200Maine$296,600United States$332,700

Median gross rent

ZIP 04574$1,036/moMaine$1,139/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0457492.5%Maine74.3%United States65.2%

Mean travel time to work

ZIP 0457431.9 minMaine24.6 minUnited States26.4 min

Worked from home

ZIP 0457414.6%Maine15.9%United States15.1%

All figures for ZIP 04574

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 04574 — ACS 2020–2024 5-year estimates
MeasureZIP 04574Margin of errorMaineUnited States
Total population1,624±2411,387,817334,922,499
Median age48.2 yrs±6.7 yrs44.8 yrs38.9 yrs
Households684±122597,159129,227,496
Median household income$59,861±$16,755$74,733$80,734
Per capita income$38,398±$7,282$43,742$44,673
Poverty rate15.3%±6.7 pts10.7%12.5%
Unemployment rate1.3%±1.1 pts3.8%5.2%
Bachelor's degree or higher17.3%±4.3 pts36.2%35.7%
Median home value$195,200±$36,395$296,600$332,700
Median gross rent$1,036/mo±$322$1,139/mo$1,413/mo
Owner-occupied homes92.5%±7.1 pts74.3%65.2%
Mean travel time to work31.9 min±9.9 min24.6 min26.4 min
Worked from home14.6%±5.9 pts15.9%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 04574
GroupZIP 04574MaineUnited States
White alone, not Hispanic or Latino94.5%89.9%57.4%
Black or African American alone, not Hispanic or Latino0.0%1.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.1%0.3%0.5%
Asian alone, not Hispanic or Latino2.0%1.1%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.0%0.2%
Some other race alone, not Hispanic or Latino0.0%0.4%0.6%
Two or more races, not Hispanic or Latino3.0%4.2%4.3%
Hispanic or Latino (of any race)0.4%2.2%19.3%

Where ZIP 04574 is

State
Maine
Main county
Knox County
Land area
38.04 sq mi· about 43 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Knox County

04547 Knox County, ME04563 Knox County, ME04645 Knox County, ME04841 Rockland, ME04843 Camden, ME04847 Knox County, ME04851 Knox County, ME04853 Knox County, ME04854 Knox County, ME04855 Knox County, ME04856 Knox County, ME04858 Knox County, ME04859 Knox County, ME04860 Knox County, ME04861 Knox County, ME04862 Knox County, ME04863 Knox County, ME04864 Knox County, ME

See every ZIP code in Maine, or compare ZIP 04574 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.