Top Architecture subreddits

Largest Architecture subreddits

Largest Architecture subreddits

#	Subreddit	Members	12-mo growth	Commenters / mo
1	r/ArchitecturePorn	2.33M	+2.6%	689
2	A r/AbandonedPorn	2.23M	+1.8%	851
3	r/architecture	2.06M	+5.3%	5,994
4	r/UrbanHell	1.77M	+10%	18,434
5	r/evilbuildings	1.27M	+7.6%	2,770
6	r/centuryhomes	1.23M	+10.0%	10,718
7	r/CityPorn	1.13M	+1.6%	751
8	r/abandoned	768,445	+20%	6,670
9	I r/InfrastructurePorn	765,832	+3.1%	585
10	r/McMansionHell	355,645	+11%	3,220
11	r/Lost_Architecture	321,428	+15%	1,266
12	r/ArchitecturalRevival	282,038	+31%	3,410
13	r/repurposedbuildings	252,925	+0.3%	4
14	r/urbanplanning	236,994	–	774
15	r/deadmalls	232,969	+7.1%	1,059
16	C r/churchporn	228,414	+2.7%	104
17	r/bizarrebuildings	204,975	+9.4%	321
18	r/skyscrapers	203,186	+44%	10,073
19	r/brutalism	198,886	+7.4%	626
20	r/floorplan	185,482	+18%	2,761
21	r/HostileArchitecture	177,337	+7.8%	346
22	r/Oldhouses	173,130	+31%	3,552
23	r/ExteriorDesign	148,725	+41%	5,371
24	r/bridgeporn	133,627	+1.2%	45
25	r/Suburbanhell	126,896	+15%	2,938

Fastest growing Architecture subreddits

Member growth over 12 months, among subreddits that had at least 18,251 members a year ago.

Fastest growing Architecture subreddits

#	Subreddit	12-mo growth	Members gained	Members	Commenters / mo
1	A r/abandonedplaces	+112%	+47,437	89,674	248
2	r/DeathStairs	+99%	+54,224	109,197	1,273
3	r/PriceyPads	+96%	+21,839	44,555	803
4	r/sovietaesthetics	+89%	+20,318	43,025	277
5	r/Abandoned_World	+73%	+16,916	39,991	212
6	r/AfricanArchitecture	+73%	+22,695	53,894	160
7	r/beautiful_houses	+70%	+19,037	46,048	80
8	G r/Gothic	+51%	+16,895	49,934	62
9	r/timberframe	+47%	+12,321	38,550	303
10	A r/askarchitects	+47%	+8,689	27,229	526
11	A r/architectureph	+47%	+11,782	37,099	879
12	r/skyscrapers	+44%	+61,974	203,186	10,073
13	r/ExteriorDesign	+41%	+43,518	148,725	5,371
14	r/ModernistArchitecture	+40%	+33,348	116,679	245
15	r/Architects	+38%	+23,797	87,141	2,259
16	r/Urbanism	+34%	+24,938	99,372	2,015
17	r/Oldhouses	+31%	+41,014	173,130	3,552
18	r/ArchitecturalRevival	+31%	+66,743	282,038	3,410
19	r/amazing_architecture	+30%	+25,458	111,307	234
20	r/archviz	+27%	+7,857	36,925	522
21	r/SocialistModernism	+26%	+5,522	26,412	93
22	r/earthship	+21%	+3,824	22,237	34
23	r/abandoned	+20%	+128,818	768,445	6,670
24	r/floorplan	+18%	+27,695	185,482	2,761
25	r/LandscapeArchitecture	+16%	+9,774	70,611	525

Most members gained

Architecture subreddits that gained the most members

#	Subreddit	Members gained	12-mo growth	Members	Commenters / mo
1	r/UrbanHell	+165,373	+10%	1.77M	18,434
2	r/abandoned	+128,818	+20%	768,445	6,670
3	r/centuryhomes	+111,902	+10.0%	1.23M	10,718
4	r/architecture	+103,259	+5.3%	2.06M	5,994
5	r/evilbuildings	+89,205	+7.6%	1.27M	2,770
6	r/ArchitecturalRevival	+66,743	+31%	282,038	3,410
7	r/skyscrapers	+61,974	+44%	203,186	10,073
8	r/ArchitecturePorn	+58,372	+2.6%	2.33M	689
9	r/DeathStairs	+54,224	+99%	109,197	1,273
10	A r/abandonedplaces	+47,437	+112%	89,674	248
11	r/ExteriorDesign	+43,518	+41%	148,725	5,371
12	r/Lost_Architecture	+42,674	+15%	321,428	1,266
13	r/Oldhouses	+41,014	+31%	173,130	3,552
14	A r/AbandonedPorn	+40,266	+1.8%	2.23M	851
15	r/McMansionHell	+36,253	+11%	355,645	3,220
16	r/ModernistArchitecture	+33,348	+40%	116,679	245
17	r/floorplan	+27,695	+18%	185,482	2,761
18	r/amazing_architecture	+25,458	+30%	111,307	234
19	r/Urbanism	+24,938	+34%	99,372	2,015
20	r/Architects	+23,797	+38%	87,141	2,259
21	I r/InfrastructurePorn	+23,355	+3.1%	765,832	585
22	r/AfricanArchitecture	+22,695	+73%	53,894	160
23	r/PriceyPads	+21,839	+96%	44,555	803
24	r/sovietaesthetics	+20,318	+89%	43,025	277
25	r/beautiful_houses	+19,037	+70%	46,048	80

Most active Architecture subreddits

People who comment in a month, the average of the three months ending September 2026.

Most active Architecture subreddits

#	Subreddit	Commenters / mo	Posts / mo	Members
1	r/UrbanHell	18,434	1,005	1.77M
2	r/centuryhomes	10,718	734	1.23M
3	r/skyscrapers	10,073	1,205	203,186
4	r/abandoned	6,670	632	768,445
5	r/architecture	5,994	1,012	2.06M
6	r/ExteriorDesign	5,371	384	148,725
7	r/Oldhouses	3,552	305	173,130
8	r/ArchitecturalRevival	3,410	531	282,038
9	r/McMansionHell	3,220	90	355,645
10	r/Suburbanhell	2,938	96	126,896
11	r/evilbuildings	2,770	193	1.27M
12	r/floorplan	2,761	734	185,482
13	r/Architects	2,259	560	87,141
14	r/Urbanism	2,015	169	99,372
15	r/urbanhellcirclejerk	1,830	275	93,839
16	r/DeathStairs	1,273	135	109,197
17	r/Lost_Architecture	1,266	224	321,428
18	r/deadmalls	1,059	179	232,969
19	S r/stadiumporn	991	136	71,860
20	A r/architectureph	879	306	37,099
21	A r/AbandonedPorn	851	184	2.23M
22	r/PriceyPads	803	82	44,555
23	r/urbanplanning	774	143	236,994
24	r/CityPorn	751	755	1.13M
25	r/ArchitecturePorn	689	236	2.33M

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How these lists are made

• Members are the member counts measured in October 2026.
• Activity (commenters and posts per month) is the average of the three months ending September 2026. Posts by known bots are not counted.
• 12-month growth compares members now with members a year earlier. A subreddit is ranked by growth only if it already had at least 18,251 members a year ago (the median for subreddits with a known growth), so brand-new communities don't top the list from a base of zero. Subreddits with more monthly active users than 0.808 per member, a sign of inflated activity, are left out of the growth and activity lists.
• NSFW communities are excluded: those Reddit marks as 18+, those where most posts are NSFW, and the Adult Content topic.
• Topics follow Reddit's own community categories.
• The lists are rebuilt every month. Each list shows the top 25 (100 for the largest subreddits overall). Download all lists as CSV (free to reuse under CC BY 4.0, with a link to this page).