US ZIP Code
04579

Woolwich, ME

Sagadahoc County  ·  Maine

● Active
👥 3,135 Population
💰 $103,482 Median HH Income
▲ 36% above avg ↑ 32% since 2019
🎂 53.0 Median Age ↑ 16% since 2019
🏠 $249,500 Median Home Value
▼ 11% below avg ↑ 9% since 2019
🎓 61.9% College Grads
▲ 60% above avg
📊 1.6% Unemployment
▼ 67% below avg ↓ 60% since 2019
ZIP Code Details
ZIP Code04579
CityWoolwich
StateMaine (ME)
CountySagadahoc County
Area Code207
Elevation15 ft
Latitude43.959656
Longitude-69.769351
TimezoneNew York (DST)
FIPS23023
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.2% (1,636) Female 47.8% (1,499) ♀

Race & Ethnicity

White: 86.3%Black: 1.8%Asian: 1%Other: 10.9%Race
White86.3%
Black1.8%
Asian1.0%
Other10.9%

Age Breakdown

Under 5
2%
5–17
13%
18–24
3%
25–44
22%
45–64
26%
65+
15%

Key Indicators

Median Age53.0 yrs ↑ 16% since 2019
Avg Household Size2.54
Below Poverty14.1% ▲ 41% above avg
College Grads61.9% ▲ 60% above avg
Unemployment1.6% ▼ 67% below avg
No HS Diploma32 (1.3%)
HS Graduate430 (17.6%)
Some College301 (12.3%)
Associates167 (6.8%)
Bachelors169 (6.9%)
Graduate Degree1,339 (54.9%)

Education

No HS: 1.3%HS Grad: 17.6%Some College: 12.3%Associates: 6.8%Bachelors: 6.9%Graduate: 54.9%Edu
No HS1.3%
HS Grad17.6%
Some College12.3%
Associates6.8%
Bachelors6.9%
Graduate54.9%
Housing & Income

Housing Tenure

Owner: 94.6%Renter: 5.4%Tenure
Owner94.6%
Renter5.4%

Home Value Distribution

Under $50k
2%
$50k–100k
10%
$100k–150k
17%
$150k–200k
12%
$200k–300k
19%
$300k–500k
23%
Over $500k
17%

Financials

Median HH Income$103,482 ▲ 36% above avg ↑ 32% since 2019
Median Home Value$249,500 ▼ 11% below avg ↑ 9% since 2019
Home/Income Ratio2.4x (nat avg ~3.5x)
Total Units1,413
Vacant Units182
Avg HH Size2.54

Income Distribution

Under $25k
14%
$25k–50k
10%
$50k–75k
16%
$75k–100k
8%
$100k–150k
29%
$150k–200k
12%
Over $200k
11%
Employment & Commute

How People Get to Work

Drove Alone
88%
Walked
1%
Work From Home
11%

Commute Time

Under 15 min
32%
15–30 min
32%
30–45 min
10%
Over 45 min
25%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
5%
1960s–1970s
13%
1980s–1990s
14%
2000+
66%

Summary

Total Units1,413
Vacant182
Owner Occupied94.6%
Renter Occupied5.4%
Avg HH Size2.54
Frequently Asked Questions
ZIP code 04579 is in Woolwich, ME, in Sagadahoc County.
ZIP code 04579 is located in Maine (ME).
ZIP code 04579 is in Sagadahoc County, ME.
ZIP 04579 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 04579 is 3,135 people (ACS 2023).
The median household income in ZIP code 04579 is $103,482 (ACS 2023).
The median home value in ZIP 04579 is $249,500 (ACS 2023).
About ZIP Code 04579

ZIP code 04579 is located in Woolwich, Maine, within Sagadahoc County. With a population of 3,135, this is a sparsely populated ZIP code with a mature community — the median age is 53 years. Economically, 04579 is a upper-middle-income ZIP code: the median household income of $103,482 is above the national average.

Real estate in ZIP code 04579 represents an affordable housing market. The median home value of $249,500 is near the national average. Homeownership is strong here — 94.6% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 9% since 2019.

The population of 04579 is primarily White (86.32%). Residents are highly educated — 61.9% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects some residents at 14.1%. Household income has grown by 32% since 2019.

The unemployment rate in 04579 stands at 1.6%, which is well below the national average. About 11% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 87%.

Overall, ZIP code 04579 in Woolwich, ME is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 3,135 residents, a median household income of $103,482, and a median home value of $249,500, it offers a clear picture of life in this part of Maine.