Which ZIP code in Kennebec County has the fastest population growth?

04349 (Kents Hill), at 28.1%, among 22 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

Fastest-growing ZIP codes in Kennebec County, ME

These are the 22 ZIP codes in Kennebec County with the fastest population growth, out of 22 with at least 1,000 residents. 04349 (Kents Hill, 28.1%), 04917 (Belgrade, 17.6%) and 04352 (Mount Vernon, 16.1%) lead the list. There is no single "best" ZIP code in Kennebec County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Fastest-growing ZIP codes in Kennebec County

Rank	ZIP	Mailing city	Population change	Residents	Households	Residential mailboxes
1	04349	Kents Hill	28.1%	1,383	620	513
2	04917	Belgrade	17.6%	3,351	1,377	1,340
3	04352	Mount Vernon	16.1%	1,716	735	731
4	04345	Gardiner	10.1%	12,579	5,083	5,224
5	04259	Monmouth	9.8%	3,610	1,492	1,333
6	04989	Vassalboro	9.2%	4,592	1,960	1,925
7	04358	South China	8.9%	4,526	1,895	1,625
8	04284	Wayne	7.3%	1,101	533	501
9	04347	Hallowell	6.0%	2,592	1,289	1,011
10	04364	Winthrop	4.7%	6,191	2,522	2,397
11	04330	Augusta	3.8%	26,690	12,370	11,962
12	04963	Oakland	3.8%	7,524	3,121	3,415
13	04344	Farmingdale	3.8%	3,017	1,439	460
14	04363	Windsor	3.8%	2,690	1,071	732
15	04901	Waterville	3.7%	27,870	11,451	11,559
16	04355	Readfield	3.7%	2,651	1,027	901
17	04350	Litchfield	1.6%	3,680	1,519	1,614
18	04927	Clinton	0.5%	3,385	1,394	1,149
19	04910	Albion	-0.6%	2,204	957	842
20	04351	Manchester	-4.5%	2,424	983	932
21	04346	Randolph	-16.2%	1,610	774	710
22	04988	Unity	-20.2%	1,894	588	663

How we ranked them

Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents. ZIP codes need at least 1,000 residents to be ranked; 22 of 27 qualify.

Which of these to mail, and why

Growing ZIP codes add households every year, which means new homes, new routes and customers without a go-to provider yet. Check the route map: new subdivisions can appear as new carrier routes.

The top five ZIP codes on this list hold 9,307 households, on 22 carrier routes with 9,141 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 04349 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Kennebec County has the fastest population growth?: 04349 (Kents Hill), at 28.1%, among 22 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.